diff --git a/.github/workflows/actions.yml b/.github/workflows/actions.yml
index 308a890616..60dd30b136 100644
--- a/.github/workflows/actions.yml
+++ b/.github/workflows/actions.yml
@@ -15,7 +15,7 @@ jobs:
     name: Contracts
     uses: multiversx/mx-sc-actions/.github/workflows/contracts.yml@v2.3.0
     with:
-      rust-toolchain: nightly-2023-08-08
+      rust-toolchain: nightly-2023-05-26
       vmtools-version: v1.4.60
     secrets:
       token: ${{ secrets.GITHUB_TOKEN }}
diff --git a/.github/workflows/lldb-formatter-tests.yml b/.github/workflows/lldb-formatter-tests.yml
index 741e1ad1d7..c4f0419846 100644
--- a/.github/workflows/lldb-formatter-tests.yml
+++ b/.github/workflows/lldb-formatter-tests.yml
@@ -15,7 +15,7 @@ jobs:
       - uses: actions-rs/toolchain@v1
         with:
           default: true
-          toolchain: nightly-2023-08-08
+          toolchain: nightly-2023-05-26
 
       - name: Download vscode-lldb
         uses: robinraju/release-downloader@v1.5
diff --git a/.github/workflows/release-upload.yml b/.github/workflows/release-upload.yml
index 83a89972a8..c46bd4963c 100644
--- a/.github/workflows/release-upload.yml
+++ b/.github/workflows/release-upload.yml
@@ -20,7 +20,7 @@ jobs:
         uses: actions-rust-lang/setup-rust-toolchain@v1
         with:
           default: true
-          toolchain: nightly-2023-08-08
+          toolchain: nightly-2023-05-26
           target: wasm32-unknown-unknown
 
       - name: Setup the PATH variable
diff --git a/.github/workflows/template-test-current.yml b/.github/workflows/template-test-current.yml
index 1fef852e96..97f5e57ea5 100644
--- a/.github/workflows/template-test-current.yml
+++ b/.github/workflows/template-test-current.yml
@@ -22,7 +22,7 @@ jobs:
         uses: actions-rust-lang/setup-rust-toolchain@v1
         with:
           default: true
-          toolchain: nightly-2023-08-08
+          toolchain: nightly-2023-05-26
           target: wasm32-unknown-unknown
 
       - name: Setup the PATH variable
diff --git a/.github/workflows/template-test-released.yml b/.github/workflows/template-test-released.yml
index d09915cc24..32ffaa4910 100644
--- a/.github/workflows/template-test-released.yml
+++ b/.github/workflows/template-test-released.yml
@@ -22,7 +22,7 @@ jobs:
         uses: actions-rust-lang/setup-rust-toolchain@v1
         with:
           default: true
-          toolchain: nightly-2023-08-08
+          toolchain: nightly-2023-05-26
           target: wasm32-unknown-unknown
 
       - name: Setup the PATH variable
diff --git a/contracts/benchmarks/large-storage/wasm/Cargo.lock b/contracts/benchmarks/large-storage/wasm/Cargo.lock
index 588b1a8cb2..7b6460cceb 100755
--- a/contracts/benchmarks/large-storage/wasm/Cargo.lock
+++ b/contracts/benchmarks/large-storage/wasm/Cargo.lock
@@ -181,9 +181,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62bb4feee49fdd9f707ef802e22365a35de4b7b299de4763d44bfea899442ff9"
+checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
 
 [[package]]
 name = "syn"
diff --git a/contracts/benchmarks/large-storage/wasm/src/lib.rs b/contracts/benchmarks/large-storage/wasm/src/lib.rs
index 0a302c6b4d..5782040aa7 100644
--- a/contracts/benchmarks/large-storage/wasm/src/lib.rs
+++ b/contracts/benchmarks/large-storage/wasm/src/lib.rs
@@ -10,7 +10,9 @@
 // Total number of exported functions:   4
 
 #![no_std]
-#![allow(internal_features)]
+
+// Configuration that works with rustc < 1.73.0.
+// TODO: Recommended rustc version: 1.73.0 or newer.
 #![feature(lang_items)]
 
 multiversx_sc_wasm_adapter::allocator!();
diff --git a/contracts/benchmarks/mappers/linked-list-repeat/wasm/Cargo.lock b/contracts/benchmarks/mappers/linked-list-repeat/wasm/Cargo.lock
index 4fcc86ee90..a059ae6e9c 100644
--- a/contracts/benchmarks/mappers/linked-list-repeat/wasm/Cargo.lock
+++ b/contracts/benchmarks/mappers/linked-list-repeat/wasm/Cargo.lock
@@ -189,9 +189,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62bb4feee49fdd9f707ef802e22365a35de4b7b299de4763d44bfea899442ff9"
+checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
 
 [[package]]
 name = "syn"
diff --git a/contracts/benchmarks/mappers/linked-list-repeat/wasm/src/lib.rs b/contracts/benchmarks/mappers/linked-list-repeat/wasm/src/lib.rs
index 831453a2af..30a4118efc 100644
--- a/contracts/benchmarks/mappers/linked-list-repeat/wasm/src/lib.rs
+++ b/contracts/benchmarks/mappers/linked-list-repeat/wasm/src/lib.rs
@@ -10,7 +10,9 @@
 // Total number of exported functions:  10
 
 #![no_std]
-#![allow(internal_features)]
+
+// Configuration that works with rustc < 1.73.0.
+// TODO: Recommended rustc version: 1.73.0 or newer.
 #![feature(lang_items)]
 
 multiversx_sc_wasm_adapter::allocator!();
diff --git a/contracts/benchmarks/mappers/map-repeat/wasm/Cargo.lock b/contracts/benchmarks/mappers/map-repeat/wasm/Cargo.lock
index 3cb5f21ec4..3c26897949 100644
--- a/contracts/benchmarks/mappers/map-repeat/wasm/Cargo.lock
+++ b/contracts/benchmarks/mappers/map-repeat/wasm/Cargo.lock
@@ -189,9 +189,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62bb4feee49fdd9f707ef802e22365a35de4b7b299de4763d44bfea899442ff9"
+checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
 
 [[package]]
 name = "syn"
diff --git a/contracts/benchmarks/mappers/map-repeat/wasm/src/lib.rs b/contracts/benchmarks/mappers/map-repeat/wasm/src/lib.rs
index 200f9152ae..b846960d7a 100644
--- a/contracts/benchmarks/mappers/map-repeat/wasm/src/lib.rs
+++ b/contracts/benchmarks/mappers/map-repeat/wasm/src/lib.rs
@@ -10,7 +10,9 @@
 // Total number of exported functions:   8
 
 #![no_std]
-#![allow(internal_features)]
+
+// Configuration that works with rustc < 1.73.0.
+// TODO: Recommended rustc version: 1.73.0 or newer.
 #![feature(lang_items)]
 
 multiversx_sc_wasm_adapter::allocator!();
diff --git a/contracts/benchmarks/mappers/queue-repeat/wasm/Cargo.lock b/contracts/benchmarks/mappers/queue-repeat/wasm/Cargo.lock
index 3e51c4382c..331dbc88a4 100644
--- a/contracts/benchmarks/mappers/queue-repeat/wasm/Cargo.lock
+++ b/contracts/benchmarks/mappers/queue-repeat/wasm/Cargo.lock
@@ -189,9 +189,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62bb4feee49fdd9f707ef802e22365a35de4b7b299de4763d44bfea899442ff9"
+checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
 
 [[package]]
 name = "syn"
diff --git a/contracts/benchmarks/mappers/queue-repeat/wasm/src/lib.rs b/contracts/benchmarks/mappers/queue-repeat/wasm/src/lib.rs
index f4956249c7..7d199710dd 100644
--- a/contracts/benchmarks/mappers/queue-repeat/wasm/src/lib.rs
+++ b/contracts/benchmarks/mappers/queue-repeat/wasm/src/lib.rs
@@ -10,7 +10,9 @@
 // Total number of exported functions:  10
 
 #![no_std]
-#![allow(internal_features)]
+
+// Configuration that works with rustc < 1.73.0.
+// TODO: Recommended rustc version: 1.73.0 or newer.
 #![feature(lang_items)]
 
 multiversx_sc_wasm_adapter::allocator!();
diff --git a/contracts/benchmarks/mappers/set-repeat/wasm/Cargo.lock b/contracts/benchmarks/mappers/set-repeat/wasm/Cargo.lock
index 14eb2bdb0a..c5f1c0696e 100644
--- a/contracts/benchmarks/mappers/set-repeat/wasm/Cargo.lock
+++ b/contracts/benchmarks/mappers/set-repeat/wasm/Cargo.lock
@@ -189,9 +189,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62bb4feee49fdd9f707ef802e22365a35de4b7b299de4763d44bfea899442ff9"
+checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
 
 [[package]]
 name = "syn"
diff --git a/contracts/benchmarks/mappers/set-repeat/wasm/src/lib.rs b/contracts/benchmarks/mappers/set-repeat/wasm/src/lib.rs
index 2370bffa88..cb8be1c156 100644
--- a/contracts/benchmarks/mappers/set-repeat/wasm/src/lib.rs
+++ b/contracts/benchmarks/mappers/set-repeat/wasm/src/lib.rs
@@ -10,7 +10,9 @@
 // Total number of exported functions:  10
 
 #![no_std]
-#![allow(internal_features)]
+
+// Configuration that works with rustc < 1.73.0.
+// TODO: Recommended rustc version: 1.73.0 or newer.
 #![feature(lang_items)]
 
 multiversx_sc_wasm_adapter::allocator!();
diff --git a/contracts/benchmarks/mappers/single-value-repeat/wasm/Cargo.lock b/contracts/benchmarks/mappers/single-value-repeat/wasm/Cargo.lock
index 0b015b2fa6..fae2477a98 100644
--- a/contracts/benchmarks/mappers/single-value-repeat/wasm/Cargo.lock
+++ b/contracts/benchmarks/mappers/single-value-repeat/wasm/Cargo.lock
@@ -189,9 +189,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62bb4feee49fdd9f707ef802e22365a35de4b7b299de4763d44bfea899442ff9"
+checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
 
 [[package]]
 name = "syn"
diff --git a/contracts/benchmarks/mappers/single-value-repeat/wasm/src/lib.rs b/contracts/benchmarks/mappers/single-value-repeat/wasm/src/lib.rs
index fdb150579c..c95dbbcb17 100644
--- a/contracts/benchmarks/mappers/single-value-repeat/wasm/src/lib.rs
+++ b/contracts/benchmarks/mappers/single-value-repeat/wasm/src/lib.rs
@@ -10,7 +10,9 @@
 // Total number of exported functions:   8
 
 #![no_std]
-#![allow(internal_features)]
+
+// Configuration that works with rustc < 1.73.0.
+// TODO: Recommended rustc version: 1.73.0 or newer.
 #![feature(lang_items)]
 
 multiversx_sc_wasm_adapter::allocator!();
diff --git a/contracts/benchmarks/mappers/vec-repeat/wasm/Cargo.lock b/contracts/benchmarks/mappers/vec-repeat/wasm/Cargo.lock
index 432ceb9c1a..93466c1492 100644
--- a/contracts/benchmarks/mappers/vec-repeat/wasm/Cargo.lock
+++ b/contracts/benchmarks/mappers/vec-repeat/wasm/Cargo.lock
@@ -173,9 +173,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62bb4feee49fdd9f707ef802e22365a35de4b7b299de4763d44bfea899442ff9"
+checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
 
 [[package]]
 name = "syn"
diff --git a/contracts/benchmarks/mappers/vec-repeat/wasm/src/lib.rs b/contracts/benchmarks/mappers/vec-repeat/wasm/src/lib.rs
index 45f4808756..1fe740202a 100644
--- a/contracts/benchmarks/mappers/vec-repeat/wasm/src/lib.rs
+++ b/contracts/benchmarks/mappers/vec-repeat/wasm/src/lib.rs
@@ -10,7 +10,9 @@
 // Total number of exported functions:  10
 
 #![no_std]
-#![allow(internal_features)]
+
+// Configuration that works with rustc < 1.73.0.
+// TODO: Recommended rustc version: 1.73.0 or newer.
 #![feature(lang_items)]
 
 multiversx_sc_wasm_adapter::allocator!();
diff --git a/contracts/benchmarks/send-tx-repeat/wasm/Cargo.lock b/contracts/benchmarks/send-tx-repeat/wasm/Cargo.lock
index 4dbacb1b66..41093f459e 100755
--- a/contracts/benchmarks/send-tx-repeat/wasm/Cargo.lock
+++ b/contracts/benchmarks/send-tx-repeat/wasm/Cargo.lock
@@ -181,9 +181,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62bb4feee49fdd9f707ef802e22365a35de4b7b299de4763d44bfea899442ff9"
+checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
 
 [[package]]
 name = "syn"
diff --git a/contracts/benchmarks/send-tx-repeat/wasm/src/lib.rs b/contracts/benchmarks/send-tx-repeat/wasm/src/lib.rs
index 1cb341729c..90b851fadd 100644
--- a/contracts/benchmarks/send-tx-repeat/wasm/src/lib.rs
+++ b/contracts/benchmarks/send-tx-repeat/wasm/src/lib.rs
@@ -10,7 +10,9 @@
 // Total number of exported functions:   3
 
 #![no_std]
-#![allow(internal_features)]
+
+// Configuration that works with rustc < 1.73.0.
+// TODO: Recommended rustc version: 1.73.0 or newer.
 #![feature(lang_items)]
 
 multiversx_sc_wasm_adapter::allocator!();
diff --git a/contracts/benchmarks/str-repeat/wasm/Cargo.lock b/contracts/benchmarks/str-repeat/wasm/Cargo.lock
index 48f5c2d22d..55ceea8b3c 100755
--- a/contracts/benchmarks/str-repeat/wasm/Cargo.lock
+++ b/contracts/benchmarks/str-repeat/wasm/Cargo.lock
@@ -166,9 +166,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62bb4feee49fdd9f707ef802e22365a35de4b7b299de4763d44bfea899442ff9"
+checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
 
 [[package]]
 name = "str-repeat"
diff --git a/contracts/benchmarks/str-repeat/wasm/src/lib.rs b/contracts/benchmarks/str-repeat/wasm/src/lib.rs
index a4816f095c..a1575e69aa 100644
--- a/contracts/benchmarks/str-repeat/wasm/src/lib.rs
+++ b/contracts/benchmarks/str-repeat/wasm/src/lib.rs
@@ -10,7 +10,9 @@
 // Total number of exported functions:   5
 
 #![no_std]
-#![allow(internal_features)]
+
+// Configuration that works with rustc < 1.73.0.
+// TODO: Recommended rustc version: 1.73.0 or newer.
 #![feature(lang_items)]
 
 multiversx_sc_wasm_adapter::allocator!(leaking);
diff --git a/contracts/core/price-aggregator/wasm/Cargo.lock b/contracts/core/price-aggregator/wasm/Cargo.lock
index ef17d1122b..0fbe6fb210 100644
--- a/contracts/core/price-aggregator/wasm/Cargo.lock
+++ b/contracts/core/price-aggregator/wasm/Cargo.lock
@@ -190,9 +190,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62bb4feee49fdd9f707ef802e22365a35de4b7b299de4763d44bfea899442ff9"
+checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
 
 [[package]]
 name = "syn"
diff --git a/contracts/core/price-aggregator/wasm/src/lib.rs b/contracts/core/price-aggregator/wasm/src/lib.rs
index 3a6ca7671c..9dbe38b27d 100644
--- a/contracts/core/price-aggregator/wasm/src/lib.rs
+++ b/contracts/core/price-aggregator/wasm/src/lib.rs
@@ -10,7 +10,9 @@
 // Total number of exported functions:  21
 
 #![no_std]
-#![allow(internal_features)]
+
+// Configuration that works with rustc < 1.73.0.
+// TODO: Recommended rustc version: 1.73.0 or newer.
 #![feature(lang_items)]
 
 multiversx_sc_wasm_adapter::allocator!();
diff --git a/contracts/core/wegld-swap/wasm/src/lib.rs b/contracts/core/wegld-swap/wasm/src/lib.rs
index 0f7a9731b6..8da5946179 100644
--- a/contracts/core/wegld-swap/wasm/src/lib.rs
+++ b/contracts/core/wegld-swap/wasm/src/lib.rs
@@ -10,7 +10,9 @@
 // Total number of exported functions:   9
 
 #![no_std]
-#![allow(internal_features)]
+
+// Configuration that works with rustc < 1.73.0.
+// TODO: Recommended rustc version: 1.73.0 or newer.
 #![feature(lang_items)]
 
 multiversx_sc_wasm_adapter::allocator!();
diff --git a/contracts/examples/adder/wasm/Cargo.lock b/contracts/examples/adder/wasm/Cargo.lock
index f1b381f19e..d5286c52d7 100755
--- a/contracts/examples/adder/wasm/Cargo.lock
+++ b/contracts/examples/adder/wasm/Cargo.lock
@@ -181,9 +181,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62bb4feee49fdd9f707ef802e22365a35de4b7b299de4763d44bfea899442ff9"
+checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
 
 [[package]]
 name = "syn"
diff --git a/contracts/examples/adder/wasm/src/lib.rs b/contracts/examples/adder/wasm/src/lib.rs
index 0e883af1d4..9fef05476a 100644
--- a/contracts/examples/adder/wasm/src/lib.rs
+++ b/contracts/examples/adder/wasm/src/lib.rs
@@ -10,7 +10,9 @@
 // Total number of exported functions:   4
 
 #![no_std]
-#![allow(internal_features)]
+
+// Configuration that works with rustc < 1.73.0.
+// TODO: Recommended rustc version: 1.73.0 or newer.
 #![feature(lang_items)]
 
 multiversx_sc_wasm_adapter::allocator!();
diff --git a/contracts/examples/bonding-curve-contract/wasm/Cargo.lock b/contracts/examples/bonding-curve-contract/wasm/Cargo.lock
index 76963c7fa8..5cbf24c5dd 100644
--- a/contracts/examples/bonding-curve-contract/wasm/Cargo.lock
+++ b/contracts/examples/bonding-curve-contract/wasm/Cargo.lock
@@ -189,9 +189,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62bb4feee49fdd9f707ef802e22365a35de4b7b299de4763d44bfea899442ff9"
+checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
 
 [[package]]
 name = "syn"
diff --git a/contracts/examples/bonding-curve-contract/wasm/src/lib.rs b/contracts/examples/bonding-curve-contract/wasm/src/lib.rs
index a928dea977..c2e6df3377 100644
--- a/contracts/examples/bonding-curve-contract/wasm/src/lib.rs
+++ b/contracts/examples/bonding-curve-contract/wasm/src/lib.rs
@@ -10,7 +10,9 @@
 // Total number of exported functions:  12
 
 #![no_std]
-#![allow(internal_features)]
+
+// Configuration that works with rustc < 1.73.0.
+// TODO: Recommended rustc version: 1.73.0 or newer.
 #![feature(lang_items)]
 
 multiversx_sc_wasm_adapter::allocator!();
diff --git a/contracts/examples/check-pause/wasm/Cargo.lock b/contracts/examples/check-pause/wasm/Cargo.lock
index f86dc01569..0be2f0021a 100644
--- a/contracts/examples/check-pause/wasm/Cargo.lock
+++ b/contracts/examples/check-pause/wasm/Cargo.lock
@@ -189,9 +189,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62bb4feee49fdd9f707ef802e22365a35de4b7b299de4763d44bfea899442ff9"
+checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
 
 [[package]]
 name = "syn"
diff --git a/contracts/examples/check-pause/wasm/src/lib.rs b/contracts/examples/check-pause/wasm/src/lib.rs
index 5b1035ef4f..5ce44c370a 100644
--- a/contracts/examples/check-pause/wasm/src/lib.rs
+++ b/contracts/examples/check-pause/wasm/src/lib.rs
@@ -10,7 +10,9 @@
 // Total number of exported functions:   6
 
 #![no_std]
-#![allow(internal_features)]
+
+// Configuration that works with rustc < 1.73.0.
+// TODO: Recommended rustc version: 1.73.0 or newer.
 #![feature(lang_items)]
 
 multiversx_sc_wasm_adapter::allocator!();
diff --git a/contracts/examples/crowdfunding-esdt/wasm/Cargo.lock b/contracts/examples/crowdfunding-esdt/wasm/Cargo.lock
index f81f4b1e7b..aa88a7710e 100644
--- a/contracts/examples/crowdfunding-esdt/wasm/Cargo.lock
+++ b/contracts/examples/crowdfunding-esdt/wasm/Cargo.lock
@@ -181,9 +181,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62bb4feee49fdd9f707ef802e22365a35de4b7b299de4763d44bfea899442ff9"
+checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
 
 [[package]]
 name = "syn"
diff --git a/contracts/examples/crowdfunding-esdt/wasm/src/lib.rs b/contracts/examples/crowdfunding-esdt/wasm/src/lib.rs
index 76a051b041..44468e838e 100644
--- a/contracts/examples/crowdfunding-esdt/wasm/src/lib.rs
+++ b/contracts/examples/crowdfunding-esdt/wasm/src/lib.rs
@@ -10,7 +10,9 @@
 // Total number of exported functions:  10
 
 #![no_std]
-#![allow(internal_features)]
+
+// Configuration that works with rustc < 1.73.0.
+// TODO: Recommended rustc version: 1.73.0 or newer.
 #![feature(lang_items)]
 
 multiversx_sc_wasm_adapter::allocator!();
diff --git a/contracts/examples/crypto-bubbles/wasm/Cargo.lock b/contracts/examples/crypto-bubbles/wasm/Cargo.lock
index f93481d320..2d7d0a4865 100755
--- a/contracts/examples/crypto-bubbles/wasm/Cargo.lock
+++ b/contracts/examples/crypto-bubbles/wasm/Cargo.lock
@@ -181,9 +181,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62bb4feee49fdd9f707ef802e22365a35de4b7b299de4763d44bfea899442ff9"
+checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
 
 [[package]]
 name = "syn"
diff --git a/contracts/examples/crypto-bubbles/wasm/src/lib.rs b/contracts/examples/crypto-bubbles/wasm/src/lib.rs
index fb1892a86d..addf606a0a 100644
--- a/contracts/examples/crypto-bubbles/wasm/src/lib.rs
+++ b/contracts/examples/crypto-bubbles/wasm/src/lib.rs
@@ -10,7 +10,9 @@
 // Total number of exported functions:   8
 
 #![no_std]
-#![allow(internal_features)]
+
+// Configuration that works with rustc < 1.73.0.
+// TODO: Recommended rustc version: 1.73.0 or newer.
 #![feature(lang_items)]
 
 multiversx_sc_wasm_adapter::allocator!();
diff --git a/contracts/examples/crypto-kitties/kitty-auction/wasm/Cargo.lock b/contracts/examples/crypto-kitties/kitty-auction/wasm/Cargo.lock
index 85ca09c438..a1d43952b4 100755
--- a/contracts/examples/crypto-kitties/kitty-auction/wasm/Cargo.lock
+++ b/contracts/examples/crypto-kitties/kitty-auction/wasm/Cargo.lock
@@ -217,9 +217,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62bb4feee49fdd9f707ef802e22365a35de4b7b299de4763d44bfea899442ff9"
+checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
 
 [[package]]
 name = "syn"
diff --git a/contracts/examples/crypto-kitties/kitty-auction/wasm/src/lib.rs b/contracts/examples/crypto-kitties/kitty-auction/wasm/src/lib.rs
index 5ee16c68d3..d4dc345a46 100644
--- a/contracts/examples/crypto-kitties/kitty-auction/wasm/src/lib.rs
+++ b/contracts/examples/crypto-kitties/kitty-auction/wasm/src/lib.rs
@@ -10,7 +10,9 @@
 // Total number of exported functions:  11
 
 #![no_std]
-#![allow(internal_features)]
+
+// Configuration that works with rustc < 1.73.0.
+// TODO: Recommended rustc version: 1.73.0 or newer.
 #![feature(lang_items)]
 
 multiversx_sc_wasm_adapter::allocator!();
diff --git a/contracts/examples/crypto-kitties/kitty-genetic-alg/wasm/Cargo.lock b/contracts/examples/crypto-kitties/kitty-genetic-alg/wasm/Cargo.lock
index ab356e016e..f7876bf5a8 100755
--- a/contracts/examples/crypto-kitties/kitty-genetic-alg/wasm/Cargo.lock
+++ b/contracts/examples/crypto-kitties/kitty-genetic-alg/wasm/Cargo.lock
@@ -198,9 +198,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62bb4feee49fdd9f707ef802e22365a35de4b7b299de4763d44bfea899442ff9"
+checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
 
 [[package]]
 name = "syn"
diff --git a/contracts/examples/crypto-kitties/kitty-genetic-alg/wasm/src/lib.rs b/contracts/examples/crypto-kitties/kitty-genetic-alg/wasm/src/lib.rs
index 9b1df239ca..8f754d1cb5 100644
--- a/contracts/examples/crypto-kitties/kitty-genetic-alg/wasm/src/lib.rs
+++ b/contracts/examples/crypto-kitties/kitty-genetic-alg/wasm/src/lib.rs
@@ -10,7 +10,9 @@
 // Total number of exported functions:   3
 
 #![no_std]
-#![allow(internal_features)]
+
+// Configuration that works with rustc < 1.73.0.
+// TODO: Recommended rustc version: 1.73.0 or newer.
 #![feature(lang_items)]
 
 multiversx_sc_wasm_adapter::allocator!();
diff --git a/contracts/examples/crypto-kitties/kitty-ownership/wasm/Cargo.lock b/contracts/examples/crypto-kitties/kitty-ownership/wasm/Cargo.lock
index b82f2443ef..e202169ffe 100755
--- a/contracts/examples/crypto-kitties/kitty-ownership/wasm/Cargo.lock
+++ b/contracts/examples/crypto-kitties/kitty-ownership/wasm/Cargo.lock
@@ -208,9 +208,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62bb4feee49fdd9f707ef802e22365a35de4b7b299de4763d44bfea899442ff9"
+checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
 
 [[package]]
 name = "syn"
diff --git a/contracts/examples/crypto-kitties/kitty-ownership/wasm/src/lib.rs b/contracts/examples/crypto-kitties/kitty-ownership/wasm/src/lib.rs
index 56f84bce91..f739b7ee7c 100644
--- a/contracts/examples/crypto-kitties/kitty-ownership/wasm/src/lib.rs
+++ b/contracts/examples/crypto-kitties/kitty-ownership/wasm/src/lib.rs
@@ -10,7 +10,9 @@
 // Total number of exported functions:  23
 
 #![no_std]
-#![allow(internal_features)]
+
+// Configuration that works with rustc < 1.73.0.
+// TODO: Recommended rustc version: 1.73.0 or newer.
 #![feature(lang_items)]
 
 multiversx_sc_wasm_adapter::allocator!();
diff --git a/contracts/examples/crypto-zombies/wasm/Cargo.lock b/contracts/examples/crypto-zombies/wasm/Cargo.lock
index 56fbc9605a..2909dd4f88 100755
--- a/contracts/examples/crypto-zombies/wasm/Cargo.lock
+++ b/contracts/examples/crypto-zombies/wasm/Cargo.lock
@@ -181,9 +181,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62bb4feee49fdd9f707ef802e22365a35de4b7b299de4763d44bfea899442ff9"
+checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
 
 [[package]]
 name = "syn"
diff --git a/contracts/examples/crypto-zombies/wasm/src/lib.rs b/contracts/examples/crypto-zombies/wasm/src/lib.rs
index 91106fdb3b..b6dcbb65cf 100644
--- a/contracts/examples/crypto-zombies/wasm/src/lib.rs
+++ b/contracts/examples/crypto-zombies/wasm/src/lib.rs
@@ -10,7 +10,9 @@
 // Total number of exported functions:  19
 
 #![no_std]
-#![allow(internal_features)]
+
+// Configuration that works with rustc < 1.73.0.
+// TODO: Recommended rustc version: 1.73.0 or newer.
 #![feature(lang_items)]
 
 multiversx_sc_wasm_adapter::allocator!();
diff --git a/contracts/examples/digital-cash/wasm/Cargo.lock b/contracts/examples/digital-cash/wasm/Cargo.lock
index 3a75b51f26..60dd807f15 100644
--- a/contracts/examples/digital-cash/wasm/Cargo.lock
+++ b/contracts/examples/digital-cash/wasm/Cargo.lock
@@ -181,9 +181,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62bb4feee49fdd9f707ef802e22365a35de4b7b299de4763d44bfea899442ff9"
+checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
 
 [[package]]
 name = "syn"
diff --git a/contracts/examples/empty/wasm/Cargo.lock b/contracts/examples/empty/wasm/Cargo.lock
index 5a9b66225e..cfc7e2e0be 100755
--- a/contracts/examples/empty/wasm/Cargo.lock
+++ b/contracts/examples/empty/wasm/Cargo.lock
@@ -181,9 +181,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62bb4feee49fdd9f707ef802e22365a35de4b7b299de4763d44bfea899442ff9"
+checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
 
 [[package]]
 name = "syn"
diff --git a/contracts/examples/empty/wasm/src/lib.rs b/contracts/examples/empty/wasm/src/lib.rs
index 8ea5e5e06d..0f1e581eab 100644
--- a/contracts/examples/empty/wasm/src/lib.rs
+++ b/contracts/examples/empty/wasm/src/lib.rs
@@ -10,7 +10,9 @@
 // Total number of exported functions:   2
 
 #![no_std]
-#![allow(internal_features)]
+
+// Configuration that works with rustc < 1.73.0.
+// TODO: Recommended rustc version: 1.73.0 or newer.
 #![feature(lang_items)]
 
 multiversx_sc_wasm_adapter::allocator!();
diff --git a/contracts/examples/esdt-transfer-with-fee/wasm/Cargo.lock b/contracts/examples/esdt-transfer-with-fee/wasm/Cargo.lock
index 5b640553fa..96fdfe83bd 100644
--- a/contracts/examples/esdt-transfer-with-fee/wasm/Cargo.lock
+++ b/contracts/examples/esdt-transfer-with-fee/wasm/Cargo.lock
@@ -181,9 +181,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62bb4feee49fdd9f707ef802e22365a35de4b7b299de4763d44bfea899442ff9"
+checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
 
 [[package]]
 name = "syn"
diff --git a/contracts/examples/esdt-transfer-with-fee/wasm/src/lib.rs b/contracts/examples/esdt-transfer-with-fee/wasm/src/lib.rs
index de7a866970..62d43c3c4f 100644
--- a/contracts/examples/esdt-transfer-with-fee/wasm/src/lib.rs
+++ b/contracts/examples/esdt-transfer-with-fee/wasm/src/lib.rs
@@ -10,7 +10,9 @@
 // Total number of exported functions:   8
 
 #![no_std]
-#![allow(internal_features)]
+
+// Configuration that works with rustc < 1.73.0.
+// TODO: Recommended rustc version: 1.73.0 or newer.
 #![feature(lang_items)]
 
 multiversx_sc_wasm_adapter::allocator!();
diff --git a/contracts/examples/factorial/wasm/Cargo.lock b/contracts/examples/factorial/wasm/Cargo.lock
index e84209cb10..2675a14145 100755
--- a/contracts/examples/factorial/wasm/Cargo.lock
+++ b/contracts/examples/factorial/wasm/Cargo.lock
@@ -181,9 +181,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62bb4feee49fdd9f707ef802e22365a35de4b7b299de4763d44bfea899442ff9"
+checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
 
 [[package]]
 name = "syn"
diff --git a/contracts/examples/factorial/wasm/src/lib.rs b/contracts/examples/factorial/wasm/src/lib.rs
index 7fe4c70ea0..9f564de44b 100644
--- a/contracts/examples/factorial/wasm/src/lib.rs
+++ b/contracts/examples/factorial/wasm/src/lib.rs
@@ -10,7 +10,9 @@
 // Total number of exported functions:   3
 
 #![no_std]
-#![allow(internal_features)]
+
+// Configuration that works with rustc < 1.73.0.
+// TODO: Recommended rustc version: 1.73.0 or newer.
 #![feature(lang_items)]
 
 multiversx_sc_wasm_adapter::allocator!();
diff --git a/contracts/examples/fractional-nfts/wasm/Cargo.lock b/contracts/examples/fractional-nfts/wasm/Cargo.lock
index 15a37288df..aaf9657360 100644
--- a/contracts/examples/fractional-nfts/wasm/Cargo.lock
+++ b/contracts/examples/fractional-nfts/wasm/Cargo.lock
@@ -189,9 +189,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62bb4feee49fdd9f707ef802e22365a35de4b7b299de4763d44bfea899442ff9"
+checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
 
 [[package]]
 name = "syn"
diff --git a/contracts/examples/fractional-nfts/wasm/src/lib.rs b/contracts/examples/fractional-nfts/wasm/src/lib.rs
index dfbe679690..59e4a11f68 100644
--- a/contracts/examples/fractional-nfts/wasm/src/lib.rs
+++ b/contracts/examples/fractional-nfts/wasm/src/lib.rs
@@ -10,7 +10,9 @@
 // Total number of exported functions:   6
 
 #![no_std]
-#![allow(internal_features)]
+
+// Configuration that works with rustc < 1.73.0.
+// TODO: Recommended rustc version: 1.73.0 or newer.
 #![feature(lang_items)]
 
 multiversx_sc_wasm_adapter::allocator!();
diff --git a/contracts/examples/lottery-esdt/wasm/Cargo.lock b/contracts/examples/lottery-esdt/wasm/Cargo.lock
index b009ec7514..196a036c01 100755
--- a/contracts/examples/lottery-esdt/wasm/Cargo.lock
+++ b/contracts/examples/lottery-esdt/wasm/Cargo.lock
@@ -181,9 +181,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62bb4feee49fdd9f707ef802e22365a35de4b7b299de4763d44bfea899442ff9"
+checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
 
 [[package]]
 name = "syn"
diff --git a/contracts/examples/lottery-esdt/wasm/src/lib.rs b/contracts/examples/lottery-esdt/wasm/src/lib.rs
index b7945ea66a..9e429a0c02 100644
--- a/contracts/examples/lottery-esdt/wasm/src/lib.rs
+++ b/contracts/examples/lottery-esdt/wasm/src/lib.rs
@@ -10,7 +10,9 @@
 // Total number of exported functions:   9
 
 #![no_std]
-#![allow(internal_features)]
+
+// Configuration that works with rustc < 1.73.0.
+// TODO: Recommended rustc version: 1.73.0 or newer.
 #![feature(lang_items)]
 
 multiversx_sc_wasm_adapter::allocator!();
diff --git a/contracts/examples/multisig/wasm-multisig-full/Cargo.lock b/contracts/examples/multisig/wasm-multisig-full/Cargo.lock
index b7f17b66ab..9d34600793 100644
--- a/contracts/examples/multisig/wasm-multisig-full/Cargo.lock
+++ b/contracts/examples/multisig/wasm-multisig-full/Cargo.lock
@@ -189,9 +189,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62bb4feee49fdd9f707ef802e22365a35de4b7b299de4763d44bfea899442ff9"
+checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
 
 [[package]]
 name = "syn"
diff --git a/contracts/examples/multisig/wasm-multisig-full/src/lib.rs b/contracts/examples/multisig/wasm-multisig-full/src/lib.rs
index bb8eaffbe5..f06f1be4f6 100644
--- a/contracts/examples/multisig/wasm-multisig-full/src/lib.rs
+++ b/contracts/examples/multisig/wasm-multisig-full/src/lib.rs
@@ -10,7 +10,9 @@
 // Total number of exported functions:  30
 
 #![no_std]
-#![allow(internal_features)]
+
+// Configuration that works with rustc < 1.73.0.
+// TODO: Recommended rustc version: 1.73.0 or newer.
 #![feature(lang_items)]
 
 multiversx_sc_wasm_adapter::allocator!();
diff --git a/contracts/examples/multisig/wasm-multisig-view/Cargo.lock b/contracts/examples/multisig/wasm-multisig-view/Cargo.lock
index 3739c1ce06..c9986951cc 100644
--- a/contracts/examples/multisig/wasm-multisig-view/Cargo.lock
+++ b/contracts/examples/multisig/wasm-multisig-view/Cargo.lock
@@ -189,9 +189,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62bb4feee49fdd9f707ef802e22365a35de4b7b299de4763d44bfea899442ff9"
+checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
 
 [[package]]
 name = "syn"
diff --git a/contracts/examples/multisig/wasm-multisig-view/src/lib.rs b/contracts/examples/multisig/wasm-multisig-view/src/lib.rs
index d547fe6492..baa4919742 100644
--- a/contracts/examples/multisig/wasm-multisig-view/src/lib.rs
+++ b/contracts/examples/multisig/wasm-multisig-view/src/lib.rs
@@ -10,7 +10,9 @@
 // Total number of exported functions:  10
 
 #![no_std]
-#![allow(internal_features)]
+
+// Configuration that works with rustc < 1.73.0.
+// TODO: Recommended rustc version: 1.73.0 or newer.
 #![feature(lang_items)]
 
 multiversx_sc_wasm_adapter::allocator!();
diff --git a/contracts/examples/multisig/wasm/Cargo.lock b/contracts/examples/multisig/wasm/Cargo.lock
index 4e7253c64c..386f1cd572 100755
--- a/contracts/examples/multisig/wasm/Cargo.lock
+++ b/contracts/examples/multisig/wasm/Cargo.lock
@@ -189,9 +189,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62bb4feee49fdd9f707ef802e22365a35de4b7b299de4763d44bfea899442ff9"
+checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
 
 [[package]]
 name = "syn"
diff --git a/contracts/examples/multisig/wasm/src/lib.rs b/contracts/examples/multisig/wasm/src/lib.rs
index 2a9774d83a..d62dd3d4c8 100644
--- a/contracts/examples/multisig/wasm/src/lib.rs
+++ b/contracts/examples/multisig/wasm/src/lib.rs
@@ -10,7 +10,9 @@
 // Total number of exported functions:  22
 
 #![no_std]
-#![allow(internal_features)]
+
+// Configuration that works with rustc < 1.73.0.
+// TODO: Recommended rustc version: 1.73.0 or newer.
 #![feature(lang_items)]
 
 multiversx_sc_wasm_adapter::allocator!();
diff --git a/contracts/examples/nft-minter/wasm/Cargo.lock b/contracts/examples/nft-minter/wasm/Cargo.lock
index ec788ea427..406a0b4709 100644
--- a/contracts/examples/nft-minter/wasm/Cargo.lock
+++ b/contracts/examples/nft-minter/wasm/Cargo.lock
@@ -181,9 +181,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62bb4feee49fdd9f707ef802e22365a35de4b7b299de4763d44bfea899442ff9"
+checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
 
 [[package]]
 name = "syn"
diff --git a/contracts/examples/nft-minter/wasm/src/lib.rs b/contracts/examples/nft-minter/wasm/src/lib.rs
index d3630166ef..97063eb7a4 100644
--- a/contracts/examples/nft-minter/wasm/src/lib.rs
+++ b/contracts/examples/nft-minter/wasm/src/lib.rs
@@ -10,7 +10,9 @@
 // Total number of exported functions:   8
 
 #![no_std]
-#![allow(internal_features)]
+
+// Configuration that works with rustc < 1.73.0.
+// TODO: Recommended rustc version: 1.73.0 or newer.
 #![feature(lang_items)]
 
 multiversx_sc_wasm_adapter::allocator!();
diff --git a/contracts/examples/nft-storage-prepay/wasm/Cargo.lock b/contracts/examples/nft-storage-prepay/wasm/Cargo.lock
index 314e6ba9fd..e8190c8b7b 100755
--- a/contracts/examples/nft-storage-prepay/wasm/Cargo.lock
+++ b/contracts/examples/nft-storage-prepay/wasm/Cargo.lock
@@ -181,9 +181,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62bb4feee49fdd9f707ef802e22365a35de4b7b299de4763d44bfea899442ff9"
+checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
 
 [[package]]
 name = "syn"
diff --git a/contracts/examples/nft-storage-prepay/wasm/src/lib.rs b/contracts/examples/nft-storage-prepay/wasm/src/lib.rs
index c69fe1b07f..6541f8b937 100644
--- a/contracts/examples/nft-storage-prepay/wasm/src/lib.rs
+++ b/contracts/examples/nft-storage-prepay/wasm/src/lib.rs
@@ -10,7 +10,9 @@
 // Total number of exported functions:  10
 
 #![no_std]
-#![allow(internal_features)]
+
+// Configuration that works with rustc < 1.73.0.
+// TODO: Recommended rustc version: 1.73.0 or newer.
 #![feature(lang_items)]
 
 multiversx_sc_wasm_adapter::allocator!();
diff --git a/contracts/examples/order-book/factory/wasm/Cargo.lock b/contracts/examples/order-book/factory/wasm/Cargo.lock
index ebb09c9fd2..931abea48b 100644
--- a/contracts/examples/order-book/factory/wasm/Cargo.lock
+++ b/contracts/examples/order-book/factory/wasm/Cargo.lock
@@ -181,9 +181,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62bb4feee49fdd9f707ef802e22365a35de4b7b299de4763d44bfea899442ff9"
+checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
 
 [[package]]
 name = "syn"
diff --git a/contracts/examples/order-book/factory/wasm/src/lib.rs b/contracts/examples/order-book/factory/wasm/src/lib.rs
index b4a18ef5bc..58288a47cc 100644
--- a/contracts/examples/order-book/factory/wasm/src/lib.rs
+++ b/contracts/examples/order-book/factory/wasm/src/lib.rs
@@ -10,7 +10,9 @@
 // Total number of exported functions:   4
 
 #![no_std]
-#![allow(internal_features)]
+
+// Configuration that works with rustc < 1.73.0.
+// TODO: Recommended rustc version: 1.73.0 or newer.
 #![feature(lang_items)]
 
 multiversx_sc_wasm_adapter::allocator!();
diff --git a/contracts/examples/order-book/pair/wasm/Cargo.lock b/contracts/examples/order-book/pair/wasm/Cargo.lock
index 18a3ea6353..99d00d8734 100644
--- a/contracts/examples/order-book/pair/wasm/Cargo.lock
+++ b/contracts/examples/order-book/pair/wasm/Cargo.lock
@@ -181,9 +181,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62bb4feee49fdd9f707ef802e22365a35de4b7b299de4763d44bfea899442ff9"
+checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
 
 [[package]]
 name = "syn"
diff --git a/contracts/examples/order-book/pair/wasm/src/lib.rs b/contracts/examples/order-book/pair/wasm/src/lib.rs
index c9a40d7f60..4342227175 100644
--- a/contracts/examples/order-book/pair/wasm/src/lib.rs
+++ b/contracts/examples/order-book/pair/wasm/src/lib.rs
@@ -10,7 +10,9 @@
 // Total number of exported functions:  15
 
 #![no_std]
-#![allow(internal_features)]
+
+// Configuration that works with rustc < 1.73.0.
+// TODO: Recommended rustc version: 1.73.0 or newer.
 #![feature(lang_items)]
 
 multiversx_sc_wasm_adapter::allocator!();
diff --git a/contracts/examples/ping-pong-egld/wasm/Cargo.lock b/contracts/examples/ping-pong-egld/wasm/Cargo.lock
index 56a2c59a4e..b88e26151e 100755
--- a/contracts/examples/ping-pong-egld/wasm/Cargo.lock
+++ b/contracts/examples/ping-pong-egld/wasm/Cargo.lock
@@ -181,9 +181,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62bb4feee49fdd9f707ef802e22365a35de4b7b299de4763d44bfea899442ff9"
+checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
 
 [[package]]
 name = "syn"
diff --git a/contracts/examples/ping-pong-egld/wasm/src/lib.rs b/contracts/examples/ping-pong-egld/wasm/src/lib.rs
index 14fbd3480c..fffb64cbed 100644
--- a/contracts/examples/ping-pong-egld/wasm/src/lib.rs
+++ b/contracts/examples/ping-pong-egld/wasm/src/lib.rs
@@ -10,7 +10,9 @@
 // Total number of exported functions:  12
 
 #![no_std]
-#![allow(internal_features)]
+
+// Configuration that works with rustc < 1.73.0.
+// TODO: Recommended rustc version: 1.73.0 or newer.
 #![feature(lang_items)]
 
 multiversx_sc_wasm_adapter::allocator!();
diff --git a/contracts/examples/proxy-pause/wasm/Cargo.lock b/contracts/examples/proxy-pause/wasm/Cargo.lock
index 69d0e6abcb..a73d1f8905 100644
--- a/contracts/examples/proxy-pause/wasm/Cargo.lock
+++ b/contracts/examples/proxy-pause/wasm/Cargo.lock
@@ -181,9 +181,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62bb4feee49fdd9f707ef802e22365a35de4b7b299de4763d44bfea899442ff9"
+checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
 
 [[package]]
 name = "syn"
diff --git a/contracts/examples/proxy-pause/wasm/src/lib.rs b/contracts/examples/proxy-pause/wasm/src/lib.rs
index 063b3f18c1..74694867b2 100644
--- a/contracts/examples/proxy-pause/wasm/src/lib.rs
+++ b/contracts/examples/proxy-pause/wasm/src/lib.rs
@@ -10,7 +10,9 @@
 // Total number of exported functions:  10
 
 #![no_std]
-#![allow(internal_features)]
+
+// Configuration that works with rustc < 1.73.0.
+// TODO: Recommended rustc version: 1.73.0 or newer.
 #![feature(lang_items)]
 
 multiversx_sc_wasm_adapter::allocator!();
diff --git a/contracts/examples/rewards-distribution/wasm/Cargo.lock b/contracts/examples/rewards-distribution/wasm/Cargo.lock
index baa23d82ce..626bb72a0a 100644
--- a/contracts/examples/rewards-distribution/wasm/Cargo.lock
+++ b/contracts/examples/rewards-distribution/wasm/Cargo.lock
@@ -189,9 +189,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62bb4feee49fdd9f707ef802e22365a35de4b7b299de4763d44bfea899442ff9"
+checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
 
 [[package]]
 name = "syn"
diff --git a/contracts/examples/rewards-distribution/wasm/src/lib.rs b/contracts/examples/rewards-distribution/wasm/src/lib.rs
index 4b1220d06f..c5ad2e090a 100644
--- a/contracts/examples/rewards-distribution/wasm/src/lib.rs
+++ b/contracts/examples/rewards-distribution/wasm/src/lib.rs
@@ -10,7 +10,9 @@
 // Total number of exported functions:  15
 
 #![no_std]
-#![allow(internal_features)]
+
+// Configuration that works with rustc < 1.73.0.
+// TODO: Recommended rustc version: 1.73.0 or newer.
 #![feature(lang_items)]
 
 multiversx_sc_wasm_adapter::allocator!();
diff --git a/contracts/examples/seed-nft-minter/wasm/Cargo.lock b/contracts/examples/seed-nft-minter/wasm/Cargo.lock
index e0e62f89c5..6c4f9e8174 100644
--- a/contracts/examples/seed-nft-minter/wasm/Cargo.lock
+++ b/contracts/examples/seed-nft-minter/wasm/Cargo.lock
@@ -189,9 +189,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62bb4feee49fdd9f707ef802e22365a35de4b7b299de4763d44bfea899442ff9"
+checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
 
 [[package]]
 name = "syn"
diff --git a/contracts/examples/seed-nft-minter/wasm/src/lib.rs b/contracts/examples/seed-nft-minter/wasm/src/lib.rs
index 9f208eafbd..4388b47b97 100644
--- a/contracts/examples/seed-nft-minter/wasm/src/lib.rs
+++ b/contracts/examples/seed-nft-minter/wasm/src/lib.rs
@@ -10,7 +10,9 @@
 // Total number of exported functions:  11
 
 #![no_std]
-#![allow(internal_features)]
+
+// Configuration that works with rustc < 1.73.0.
+// TODO: Recommended rustc version: 1.73.0 or newer.
 #![feature(lang_items)]
 
 multiversx_sc_wasm_adapter::allocator!();
diff --git a/contracts/examples/token-release/wasm/Cargo.lock b/contracts/examples/token-release/wasm/Cargo.lock
index 7aa2d47583..71ec115cbe 100644
--- a/contracts/examples/token-release/wasm/Cargo.lock
+++ b/contracts/examples/token-release/wasm/Cargo.lock
@@ -166,9 +166,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62bb4feee49fdd9f707ef802e22365a35de4b7b299de4763d44bfea899442ff9"
+checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
 
 [[package]]
 name = "syn"
diff --git a/contracts/examples/token-release/wasm/src/lib.rs b/contracts/examples/token-release/wasm/src/lib.rs
index 05732711de..0e526c756c 100644
--- a/contracts/examples/token-release/wasm/src/lib.rs
+++ b/contracts/examples/token-release/wasm/src/lib.rs
@@ -10,7 +10,9 @@
 // Total number of exported functions:  15
 
 #![no_std]
-#![allow(internal_features)]
+
+// Configuration that works with rustc < 1.73.0.
+// TODO: Recommended rustc version: 1.73.0 or newer.
 #![feature(lang_items)]
 
 multiversx_sc_wasm_adapter::allocator!();
diff --git a/contracts/feature-tests/abi-tester/wasm-abi-tester-ev/Cargo.lock b/contracts/feature-tests/abi-tester/wasm-abi-tester-ev/Cargo.lock
index b358fd0a77..63d47348a1 100644
--- a/contracts/feature-tests/abi-tester/wasm-abi-tester-ev/Cargo.lock
+++ b/contracts/feature-tests/abi-tester/wasm-abi-tester-ev/Cargo.lock
@@ -181,9 +181,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62bb4feee49fdd9f707ef802e22365a35de4b7b299de4763d44bfea899442ff9"
+checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
 
 [[package]]
 name = "syn"
diff --git a/contracts/feature-tests/abi-tester/wasm-abi-tester-ev/src/lib.rs b/contracts/feature-tests/abi-tester/wasm-abi-tester-ev/src/lib.rs
index f7b7540ba3..18c772a83b 100644
--- a/contracts/feature-tests/abi-tester/wasm-abi-tester-ev/src/lib.rs
+++ b/contracts/feature-tests/abi-tester/wasm-abi-tester-ev/src/lib.rs
@@ -10,7 +10,9 @@
 // Total number of exported functions:   5
 
 #![no_std]
-#![allow(internal_features)]
+
+// Configuration that works with rustc < 1.73.0.
+// TODO: Recommended rustc version: 1.73.0 or newer.
 #![feature(lang_items)]
 
 multiversx_sc_wasm_adapter::allocator!();
diff --git a/contracts/feature-tests/abi-tester/wasm/Cargo.lock b/contracts/feature-tests/abi-tester/wasm/Cargo.lock
index 825be498e4..dd3365d4f6 100755
--- a/contracts/feature-tests/abi-tester/wasm/Cargo.lock
+++ b/contracts/feature-tests/abi-tester/wasm/Cargo.lock
@@ -181,9 +181,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62bb4feee49fdd9f707ef802e22365a35de4b7b299de4763d44bfea899442ff9"
+checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
 
 [[package]]
 name = "syn"
diff --git a/contracts/feature-tests/abi-tester/wasm/src/lib.rs b/contracts/feature-tests/abi-tester/wasm/src/lib.rs
index ff8b705394..346df34aef 100644
--- a/contracts/feature-tests/abi-tester/wasm/src/lib.rs
+++ b/contracts/feature-tests/abi-tester/wasm/src/lib.rs
@@ -10,7 +10,9 @@
 // Total number of exported functions:  29
 
 #![no_std]
-#![allow(internal_features)]
+
+// Configuration that works with rustc < 1.73.0.
+// TODO: Recommended rustc version: 1.73.0 or newer.
 #![feature(lang_items)]
 
 multiversx_sc_wasm_adapter::allocator!();
diff --git a/contracts/feature-tests/alloc-features/wasm/Cargo.lock b/contracts/feature-tests/alloc-features/wasm/Cargo.lock
index 5817ba5de9..4d8e00928b 100644
--- a/contracts/feature-tests/alloc-features/wasm/Cargo.lock
+++ b/contracts/feature-tests/alloc-features/wasm/Cargo.lock
@@ -181,9 +181,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62bb4feee49fdd9f707ef802e22365a35de4b7b299de4763d44bfea899442ff9"
+checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
 
 [[package]]
 name = "syn"
diff --git a/contracts/feature-tests/alloc-features/wasm/src/lib.rs b/contracts/feature-tests/alloc-features/wasm/src/lib.rs
index 5f211d46f8..b9a70a4985 100644
--- a/contracts/feature-tests/alloc-features/wasm/src/lib.rs
+++ b/contracts/feature-tests/alloc-features/wasm/src/lib.rs
@@ -10,7 +10,9 @@
 // Total number of exported functions:  66
 
 #![no_std]
-#![allow(internal_features)]
+
+// Configuration that works with rustc < 1.73.0.
+// TODO: Recommended rustc version: 1.73.0 or newer.
 #![feature(lang_items)]
 
 multiversx_sc_wasm_adapter::allocator!(static64k);
diff --git a/contracts/feature-tests/basic-features/wasm-basic-features-storage-bytes/Cargo.lock b/contracts/feature-tests/basic-features/wasm-basic-features-storage-bytes/Cargo.lock
index 8cf51c0a2e..dc85f2719b 100644
--- a/contracts/feature-tests/basic-features/wasm-basic-features-storage-bytes/Cargo.lock
+++ b/contracts/feature-tests/basic-features/wasm-basic-features-storage-bytes/Cargo.lock
@@ -189,9 +189,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62bb4feee49fdd9f707ef802e22365a35de4b7b299de4763d44bfea899442ff9"
+checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
 
 [[package]]
 name = "syn"
diff --git a/contracts/feature-tests/basic-features/wasm-basic-features-storage-bytes/src/lib.rs b/contracts/feature-tests/basic-features/wasm-basic-features-storage-bytes/src/lib.rs
index 4ce9062ddd..9524057356 100644
--- a/contracts/feature-tests/basic-features/wasm-basic-features-storage-bytes/src/lib.rs
+++ b/contracts/feature-tests/basic-features/wasm-basic-features-storage-bytes/src/lib.rs
@@ -10,7 +10,9 @@
 // Total number of exported functions:   4
 
 #![no_std]
-#![allow(internal_features)]
+
+// Configuration that works with rustc < 1.73.0.
+// TODO: Recommended rustc version: 1.73.0 or newer.
 #![feature(lang_items)]
 
 multiversx_sc_wasm_adapter::allocator!();
diff --git a/contracts/feature-tests/basic-features/wasm/Cargo.lock b/contracts/feature-tests/basic-features/wasm/Cargo.lock
index 1a4319df17..cf4de27a90 100755
--- a/contracts/feature-tests/basic-features/wasm/Cargo.lock
+++ b/contracts/feature-tests/basic-features/wasm/Cargo.lock
@@ -189,9 +189,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62bb4feee49fdd9f707ef802e22365a35de4b7b299de4763d44bfea899442ff9"
+checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
 
 [[package]]
 name = "syn"
diff --git a/contracts/feature-tests/basic-features/wasm/src/lib.rs b/contracts/feature-tests/basic-features/wasm/src/lib.rs
index faea51c25a..f0319f6e1f 100644
--- a/contracts/feature-tests/basic-features/wasm/src/lib.rs
+++ b/contracts/feature-tests/basic-features/wasm/src/lib.rs
@@ -10,7 +10,9 @@
 // Total number of exported functions: 342
 
 #![no_std]
-#![allow(internal_features)]
+
+// Configuration that works with rustc < 1.73.0.
+// TODO: Recommended rustc version: 1.73.0 or newer.
 #![feature(lang_items)]
 
 multiversx_sc_wasm_adapter::allocator!();
diff --git a/contracts/feature-tests/big-float-features/wasm/Cargo.lock b/contracts/feature-tests/big-float-features/wasm/Cargo.lock
index 84c0d2a63d..0d5b0df482 100644
--- a/contracts/feature-tests/big-float-features/wasm/Cargo.lock
+++ b/contracts/feature-tests/big-float-features/wasm/Cargo.lock
@@ -181,9 +181,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62bb4feee49fdd9f707ef802e22365a35de4b7b299de4763d44bfea899442ff9"
+checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
 
 [[package]]
 name = "syn"
diff --git a/contracts/feature-tests/big-float-features/wasm/src/lib.rs b/contracts/feature-tests/big-float-features/wasm/src/lib.rs
index bb3d8c2ce4..1a809830a3 100644
--- a/contracts/feature-tests/big-float-features/wasm/src/lib.rs
+++ b/contracts/feature-tests/big-float-features/wasm/src/lib.rs
@@ -10,7 +10,9 @@
 // Total number of exported functions:  72
 
 #![no_std]
-#![allow(internal_features)]
+
+// Configuration that works with rustc < 1.73.0.
+// TODO: Recommended rustc version: 1.73.0 or newer.
 #![feature(lang_items)]
 
 multiversx_sc_wasm_adapter::allocator!();
diff --git a/contracts/feature-tests/composability/builtin-func-features/wasm/Cargo.lock b/contracts/feature-tests/composability/builtin-func-features/wasm/Cargo.lock
index 74613f8c74..82dc15df2a 100644
--- a/contracts/feature-tests/composability/builtin-func-features/wasm/Cargo.lock
+++ b/contracts/feature-tests/composability/builtin-func-features/wasm/Cargo.lock
@@ -181,9 +181,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62bb4feee49fdd9f707ef802e22365a35de4b7b299de4763d44bfea899442ff9"
+checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
 
 [[package]]
 name = "syn"
diff --git a/contracts/feature-tests/composability/builtin-func-features/wasm/src/lib.rs b/contracts/feature-tests/composability/builtin-func-features/wasm/src/lib.rs
index e28f76fb01..0e3168c02b 100644
--- a/contracts/feature-tests/composability/builtin-func-features/wasm/src/lib.rs
+++ b/contracts/feature-tests/composability/builtin-func-features/wasm/src/lib.rs
@@ -10,7 +10,9 @@
 // Total number of exported functions:   4
 
 #![no_std]
-#![allow(internal_features)]
+
+// Configuration that works with rustc < 1.73.0.
+// TODO: Recommended rustc version: 1.73.0 or newer.
 #![feature(lang_items)]
 
 multiversx_sc_wasm_adapter::allocator!();
diff --git a/contracts/feature-tests/composability/esdt-contract-pair/first-contract/wasm/Cargo.lock b/contracts/feature-tests/composability/esdt-contract-pair/first-contract/wasm/Cargo.lock
index 375d87072f..ebc06b657b 100755
--- a/contracts/feature-tests/composability/esdt-contract-pair/first-contract/wasm/Cargo.lock
+++ b/contracts/feature-tests/composability/esdt-contract-pair/first-contract/wasm/Cargo.lock
@@ -181,9 +181,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62bb4feee49fdd9f707ef802e22365a35de4b7b299de4763d44bfea899442ff9"
+checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
 
 [[package]]
 name = "syn"
diff --git a/contracts/feature-tests/composability/esdt-contract-pair/first-contract/wasm/src/lib.rs b/contracts/feature-tests/composability/esdt-contract-pair/first-contract/wasm/src/lib.rs
index fe5afff645..2d8aa35543 100644
--- a/contracts/feature-tests/composability/esdt-contract-pair/first-contract/wasm/src/lib.rs
+++ b/contracts/feature-tests/composability/esdt-contract-pair/first-contract/wasm/src/lib.rs
@@ -10,7 +10,9 @@
 // Total number of exported functions:   9
 
 #![no_std]
-#![allow(internal_features)]
+
+// Configuration that works with rustc < 1.73.0.
+// TODO: Recommended rustc version: 1.73.0 or newer.
 #![feature(lang_items)]
 
 multiversx_sc_wasm_adapter::allocator!();
diff --git a/contracts/feature-tests/composability/esdt-contract-pair/second-contract/wasm/Cargo.lock b/contracts/feature-tests/composability/esdt-contract-pair/second-contract/wasm/Cargo.lock
index d89b027fb8..28940f1ec2 100755
--- a/contracts/feature-tests/composability/esdt-contract-pair/second-contract/wasm/Cargo.lock
+++ b/contracts/feature-tests/composability/esdt-contract-pair/second-contract/wasm/Cargo.lock
@@ -181,9 +181,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62bb4feee49fdd9f707ef802e22365a35de4b7b299de4763d44bfea899442ff9"
+checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
 
 [[package]]
 name = "syn"
diff --git a/contracts/feature-tests/composability/esdt-contract-pair/second-contract/wasm/src/lib.rs b/contracts/feature-tests/composability/esdt-contract-pair/second-contract/wasm/src/lib.rs
index 622cb67ebe..c558f33b56 100644
--- a/contracts/feature-tests/composability/esdt-contract-pair/second-contract/wasm/src/lib.rs
+++ b/contracts/feature-tests/composability/esdt-contract-pair/second-contract/wasm/src/lib.rs
@@ -10,7 +10,9 @@
 // Total number of exported functions:   5
 
 #![no_std]
-#![allow(internal_features)]
+
+// Configuration that works with rustc < 1.73.0.
+// TODO: Recommended rustc version: 1.73.0 or newer.
 #![feature(lang_items)]
 
 multiversx_sc_wasm_adapter::allocator!();
diff --git a/contracts/feature-tests/composability/execute-on-dest-esdt-issue-callback/child/wasm/Cargo.lock b/contracts/feature-tests/composability/execute-on-dest-esdt-issue-callback/child/wasm/Cargo.lock
index 41d0311dd7..937439ef6c 100755
--- a/contracts/feature-tests/composability/execute-on-dest-esdt-issue-callback/child/wasm/Cargo.lock
+++ b/contracts/feature-tests/composability/execute-on-dest-esdt-issue-callback/child/wasm/Cargo.lock
@@ -181,9 +181,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62bb4feee49fdd9f707ef802e22365a35de4b7b299de4763d44bfea899442ff9"
+checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
 
 [[package]]
 name = "syn"
diff --git a/contracts/feature-tests/composability/execute-on-dest-esdt-issue-callback/child/wasm/src/lib.rs b/contracts/feature-tests/composability/execute-on-dest-esdt-issue-callback/child/wasm/src/lib.rs
index e94c1f76be..377ba27a6a 100644
--- a/contracts/feature-tests/composability/execute-on-dest-esdt-issue-callback/child/wasm/src/lib.rs
+++ b/contracts/feature-tests/composability/execute-on-dest-esdt-issue-callback/child/wasm/src/lib.rs
@@ -10,7 +10,9 @@
 // Total number of exported functions:   4
 
 #![no_std]
-#![allow(internal_features)]
+
+// Configuration that works with rustc < 1.73.0.
+// TODO: Recommended rustc version: 1.73.0 or newer.
 #![feature(lang_items)]
 
 multiversx_sc_wasm_adapter::allocator!();
diff --git a/contracts/feature-tests/composability/execute-on-dest-esdt-issue-callback/parent/wasm/Cargo.lock b/contracts/feature-tests/composability/execute-on-dest-esdt-issue-callback/parent/wasm/Cargo.lock
index 91b4d10ecd..4e9d579554 100755
--- a/contracts/feature-tests/composability/execute-on-dest-esdt-issue-callback/parent/wasm/Cargo.lock
+++ b/contracts/feature-tests/composability/execute-on-dest-esdt-issue-callback/parent/wasm/Cargo.lock
@@ -189,9 +189,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62bb4feee49fdd9f707ef802e22365a35de4b7b299de4763d44bfea899442ff9"
+checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
 
 [[package]]
 name = "syn"
diff --git a/contracts/feature-tests/composability/execute-on-dest-esdt-issue-callback/parent/wasm/src/lib.rs b/contracts/feature-tests/composability/execute-on-dest-esdt-issue-callback/parent/wasm/src/lib.rs
index 7682da7858..4ac844b663 100644
--- a/contracts/feature-tests/composability/execute-on-dest-esdt-issue-callback/parent/wasm/src/lib.rs
+++ b/contracts/feature-tests/composability/execute-on-dest-esdt-issue-callback/parent/wasm/src/lib.rs
@@ -10,7 +10,9 @@
 // Total number of exported functions:   6
 
 #![no_std]
-#![allow(internal_features)]
+
+// Configuration that works with rustc < 1.73.0.
+// TODO: Recommended rustc version: 1.73.0 or newer.
 #![feature(lang_items)]
 
 multiversx_sc_wasm_adapter::allocator!();
diff --git a/contracts/feature-tests/composability/forwarder-queue/wasm-forwarder-queue-promises/Cargo.lock b/contracts/feature-tests/composability/forwarder-queue/wasm-forwarder-queue-promises/Cargo.lock
index 2423078cc8..66a320e9b0 100644
--- a/contracts/feature-tests/composability/forwarder-queue/wasm-forwarder-queue-promises/Cargo.lock
+++ b/contracts/feature-tests/composability/forwarder-queue/wasm-forwarder-queue-promises/Cargo.lock
@@ -182,9 +182,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62bb4feee49fdd9f707ef802e22365a35de4b7b299de4763d44bfea899442ff9"
+checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
 
 [[package]]
 name = "syn"
diff --git a/contracts/feature-tests/composability/forwarder-queue/wasm-forwarder-queue-promises/src/lib.rs b/contracts/feature-tests/composability/forwarder-queue/wasm-forwarder-queue-promises/src/lib.rs
index ed69120a12..7fb7618e6f 100644
--- a/contracts/feature-tests/composability/forwarder-queue/wasm-forwarder-queue-promises/src/lib.rs
+++ b/contracts/feature-tests/composability/forwarder-queue/wasm-forwarder-queue-promises/src/lib.rs
@@ -11,7 +11,9 @@
 // Total number of exported functions:  13
 
 #![no_std]
-#![allow(internal_features)]
+
+// Configuration that works with rustc < 1.73.0.
+// TODO: Recommended rustc version: 1.73.0 or newer.
 #![feature(lang_items)]
 
 multiversx_sc_wasm_adapter::allocator!();
diff --git a/contracts/feature-tests/composability/forwarder-queue/wasm/Cargo.lock b/contracts/feature-tests/composability/forwarder-queue/wasm/Cargo.lock
index 258887118f..fcefb9e884 100644
--- a/contracts/feature-tests/composability/forwarder-queue/wasm/Cargo.lock
+++ b/contracts/feature-tests/composability/forwarder-queue/wasm/Cargo.lock
@@ -182,9 +182,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62bb4feee49fdd9f707ef802e22365a35de4b7b299de4763d44bfea899442ff9"
+checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
 
 [[package]]
 name = "syn"
diff --git a/contracts/feature-tests/composability/forwarder-queue/wasm/src/lib.rs b/contracts/feature-tests/composability/forwarder-queue/wasm/src/lib.rs
index 43904fe4e2..56eb47bc23 100644
--- a/contracts/feature-tests/composability/forwarder-queue/wasm/src/lib.rs
+++ b/contracts/feature-tests/composability/forwarder-queue/wasm/src/lib.rs
@@ -10,7 +10,9 @@
 // Total number of exported functions:  12
 
 #![no_std]
-#![allow(internal_features)]
+
+// Configuration that works with rustc < 1.73.0.
+// TODO: Recommended rustc version: 1.73.0 or newer.
 #![feature(lang_items)]
 
 multiversx_sc_wasm_adapter::allocator!();
diff --git a/contracts/feature-tests/composability/forwarder-raw/wasm-forwarder-raw-init-async-call/Cargo.lock b/contracts/feature-tests/composability/forwarder-raw/wasm-forwarder-raw-init-async-call/Cargo.lock
index d93c462484..50ced20ffb 100644
--- a/contracts/feature-tests/composability/forwarder-raw/wasm-forwarder-raw-init-async-call/Cargo.lock
+++ b/contracts/feature-tests/composability/forwarder-raw/wasm-forwarder-raw-init-async-call/Cargo.lock
@@ -181,9 +181,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62bb4feee49fdd9f707ef802e22365a35de4b7b299de4763d44bfea899442ff9"
+checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
 
 [[package]]
 name = "syn"
diff --git a/contracts/feature-tests/composability/forwarder-raw/wasm-forwarder-raw-init-async-call/src/lib.rs b/contracts/feature-tests/composability/forwarder-raw/wasm-forwarder-raw-init-async-call/src/lib.rs
index 008aaa1bde..42d5439702 100644
--- a/contracts/feature-tests/composability/forwarder-raw/wasm-forwarder-raw-init-async-call/src/lib.rs
+++ b/contracts/feature-tests/composability/forwarder-raw/wasm-forwarder-raw-init-async-call/src/lib.rs
@@ -10,7 +10,9 @@
 // Total number of exported functions:   3
 
 #![no_std]
-#![allow(internal_features)]
+
+// Configuration that works with rustc < 1.73.0.
+// TODO: Recommended rustc version: 1.73.0 or newer.
 #![feature(lang_items)]
 
 multiversx_sc_wasm_adapter::allocator!();
diff --git a/contracts/feature-tests/composability/forwarder-raw/wasm-forwarder-raw-init-sync-call/Cargo.lock b/contracts/feature-tests/composability/forwarder-raw/wasm-forwarder-raw-init-sync-call/Cargo.lock
index 572fdf0cee..a79fb53903 100644
--- a/contracts/feature-tests/composability/forwarder-raw/wasm-forwarder-raw-init-sync-call/Cargo.lock
+++ b/contracts/feature-tests/composability/forwarder-raw/wasm-forwarder-raw-init-sync-call/Cargo.lock
@@ -181,9 +181,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62bb4feee49fdd9f707ef802e22365a35de4b7b299de4763d44bfea899442ff9"
+checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
 
 [[package]]
 name = "syn"
diff --git a/contracts/feature-tests/composability/forwarder-raw/wasm-forwarder-raw-init-sync-call/src/lib.rs b/contracts/feature-tests/composability/forwarder-raw/wasm-forwarder-raw-init-sync-call/src/lib.rs
index 72cfdecb4c..df428ad9c6 100644
--- a/contracts/feature-tests/composability/forwarder-raw/wasm-forwarder-raw-init-sync-call/src/lib.rs
+++ b/contracts/feature-tests/composability/forwarder-raw/wasm-forwarder-raw-init-sync-call/src/lib.rs
@@ -10,7 +10,9 @@
 // Total number of exported functions:   2
 
 #![no_std]
-#![allow(internal_features)]
+
+// Configuration that works with rustc < 1.73.0.
+// TODO: Recommended rustc version: 1.73.0 or newer.
 #![feature(lang_items)]
 
 multiversx_sc_wasm_adapter::allocator!();
diff --git a/contracts/feature-tests/composability/forwarder-raw/wasm/Cargo.lock b/contracts/feature-tests/composability/forwarder-raw/wasm/Cargo.lock
index 829fd59101..f22f834a9b 100755
--- a/contracts/feature-tests/composability/forwarder-raw/wasm/Cargo.lock
+++ b/contracts/feature-tests/composability/forwarder-raw/wasm/Cargo.lock
@@ -181,9 +181,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62bb4feee49fdd9f707ef802e22365a35de4b7b299de4763d44bfea899442ff9"
+checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
 
 [[package]]
 name = "syn"
diff --git a/contracts/feature-tests/composability/forwarder-raw/wasm/src/lib.rs b/contracts/feature-tests/composability/forwarder-raw/wasm/src/lib.rs
index a131762062..5e6fd99a6e 100644
--- a/contracts/feature-tests/composability/forwarder-raw/wasm/src/lib.rs
+++ b/contracts/feature-tests/composability/forwarder-raw/wasm/src/lib.rs
@@ -10,7 +10,9 @@
 // Total number of exported functions:  27
 
 #![no_std]
-#![allow(internal_features)]
+
+// Configuration that works with rustc < 1.73.0.
+// TODO: Recommended rustc version: 1.73.0 or newer.
 #![feature(lang_items)]
 
 multiversx_sc_wasm_adapter::allocator!();
diff --git a/contracts/feature-tests/composability/forwarder/wasm/Cargo.lock b/contracts/feature-tests/composability/forwarder/wasm/Cargo.lock
index b392d45d71..b3c8ca9520 100755
--- a/contracts/feature-tests/composability/forwarder/wasm/Cargo.lock
+++ b/contracts/feature-tests/composability/forwarder/wasm/Cargo.lock
@@ -182,9 +182,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62bb4feee49fdd9f707ef802e22365a35de4b7b299de4763d44bfea899442ff9"
+checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
 
 [[package]]
 name = "syn"
diff --git a/contracts/feature-tests/composability/forwarder/wasm/src/lib.rs b/contracts/feature-tests/composability/forwarder/wasm/src/lib.rs
index fc749fca48..7cba7cf2d2 100644
--- a/contracts/feature-tests/composability/forwarder/wasm/src/lib.rs
+++ b/contracts/feature-tests/composability/forwarder/wasm/src/lib.rs
@@ -10,7 +10,9 @@
 // Total number of exported functions:  68
 
 #![no_std]
-#![allow(internal_features)]
+
+// Configuration that works with rustc < 1.73.0.
+// TODO: Recommended rustc version: 1.73.0 or newer.
 #![feature(lang_items)]
 
 multiversx_sc_wasm_adapter::allocator!();
diff --git a/contracts/feature-tests/composability/local-esdt-and-nft/wasm/Cargo.lock b/contracts/feature-tests/composability/local-esdt-and-nft/wasm/Cargo.lock
index 3647f4a944..a9d311c982 100755
--- a/contracts/feature-tests/composability/local-esdt-and-nft/wasm/Cargo.lock
+++ b/contracts/feature-tests/composability/local-esdt-and-nft/wasm/Cargo.lock
@@ -181,9 +181,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62bb4feee49fdd9f707ef802e22365a35de4b7b299de4763d44bfea899442ff9"
+checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
 
 [[package]]
 name = "syn"
diff --git a/contracts/feature-tests/composability/local-esdt-and-nft/wasm/src/lib.rs b/contracts/feature-tests/composability/local-esdt-and-nft/wasm/src/lib.rs
index 3a277406f4..ca4aca4a95 100644
--- a/contracts/feature-tests/composability/local-esdt-and-nft/wasm/src/lib.rs
+++ b/contracts/feature-tests/composability/local-esdt-and-nft/wasm/src/lib.rs
@@ -10,7 +10,9 @@
 // Total number of exported functions:  20
 
 #![no_std]
-#![allow(internal_features)]
+
+// Configuration that works with rustc < 1.73.0.
+// TODO: Recommended rustc version: 1.73.0 or newer.
 #![feature(lang_items)]
 
 multiversx_sc_wasm_adapter::allocator!();
diff --git a/contracts/feature-tests/composability/promises-features/wasm/Cargo.lock b/contracts/feature-tests/composability/promises-features/wasm/Cargo.lock
index 8363101dee..532e50ecda 100644
--- a/contracts/feature-tests/composability/promises-features/wasm/Cargo.lock
+++ b/contracts/feature-tests/composability/promises-features/wasm/Cargo.lock
@@ -182,9 +182,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62bb4feee49fdd9f707ef802e22365a35de4b7b299de4763d44bfea899442ff9"
+checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
 
 [[package]]
 name = "syn"
diff --git a/contracts/feature-tests/composability/promises-features/wasm/src/lib.rs b/contracts/feature-tests/composability/promises-features/wasm/src/lib.rs
index 53854d2d05..3d720c3f44 100644
--- a/contracts/feature-tests/composability/promises-features/wasm/src/lib.rs
+++ b/contracts/feature-tests/composability/promises-features/wasm/src/lib.rs
@@ -11,7 +11,9 @@
 // Total number of exported functions:  11
 
 #![no_std]
-#![allow(internal_features)]
+
+// Configuration that works with rustc < 1.73.0.
+// TODO: Recommended rustc version: 1.73.0 or newer.
 #![feature(lang_items)]
 
 multiversx_sc_wasm_adapter::allocator!();
diff --git a/contracts/feature-tests/composability/proxy-test-first/wasm/Cargo.lock b/contracts/feature-tests/composability/proxy-test-first/wasm/Cargo.lock
index 9eaf10f0d1..e96fafe71c 100755
--- a/contracts/feature-tests/composability/proxy-test-first/wasm/Cargo.lock
+++ b/contracts/feature-tests/composability/proxy-test-first/wasm/Cargo.lock
@@ -182,9 +182,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62bb4feee49fdd9f707ef802e22365a35de4b7b299de4763d44bfea899442ff9"
+checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
 
 [[package]]
 name = "syn"
diff --git a/contracts/feature-tests/composability/proxy-test-first/wasm/src/lib.rs b/contracts/feature-tests/composability/proxy-test-first/wasm/src/lib.rs
index d209784cb0..aa2c820ac6 100644
--- a/contracts/feature-tests/composability/proxy-test-first/wasm/src/lib.rs
+++ b/contracts/feature-tests/composability/proxy-test-first/wasm/src/lib.rs
@@ -10,7 +10,9 @@
 // Total number of exported functions:   8
 
 #![no_std]
-#![allow(internal_features)]
+
+// Configuration that works with rustc < 1.73.0.
+// TODO: Recommended rustc version: 1.73.0 or newer.
 #![feature(lang_items)]
 
 multiversx_sc_wasm_adapter::allocator!(static64k);
diff --git a/contracts/feature-tests/composability/proxy-test-second/wasm/Cargo.lock b/contracts/feature-tests/composability/proxy-test-second/wasm/Cargo.lock
index 2393d2bd6a..59f84906d6 100755
--- a/contracts/feature-tests/composability/proxy-test-second/wasm/Cargo.lock
+++ b/contracts/feature-tests/composability/proxy-test-second/wasm/Cargo.lock
@@ -181,9 +181,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62bb4feee49fdd9f707ef802e22365a35de4b7b299de4763d44bfea899442ff9"
+checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
 
 [[package]]
 name = "syn"
diff --git a/contracts/feature-tests/composability/proxy-test-second/wasm/src/lib.rs b/contracts/feature-tests/composability/proxy-test-second/wasm/src/lib.rs
index b20506fc45..0fa4134bbf 100644
--- a/contracts/feature-tests/composability/proxy-test-second/wasm/src/lib.rs
+++ b/contracts/feature-tests/composability/proxy-test-second/wasm/src/lib.rs
@@ -10,7 +10,9 @@
 // Total number of exported functions:   5
 
 #![no_std]
-#![allow(internal_features)]
+
+// Configuration that works with rustc < 1.73.0.
+// TODO: Recommended rustc version: 1.73.0 or newer.
 #![feature(lang_items)]
 
 multiversx_sc_wasm_adapter::allocator!(static64k);
diff --git a/contracts/feature-tests/composability/recursive-caller/wasm/Cargo.lock b/contracts/feature-tests/composability/recursive-caller/wasm/Cargo.lock
index 72cb5205f7..ad75bd0492 100755
--- a/contracts/feature-tests/composability/recursive-caller/wasm/Cargo.lock
+++ b/contracts/feature-tests/composability/recursive-caller/wasm/Cargo.lock
@@ -182,9 +182,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62bb4feee49fdd9f707ef802e22365a35de4b7b299de4763d44bfea899442ff9"
+checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
 
 [[package]]
 name = "syn"
diff --git a/contracts/feature-tests/composability/recursive-caller/wasm/src/lib.rs b/contracts/feature-tests/composability/recursive-caller/wasm/src/lib.rs
index e6e48ee951..ec9e1f9a8c 100644
--- a/contracts/feature-tests/composability/recursive-caller/wasm/src/lib.rs
+++ b/contracts/feature-tests/composability/recursive-caller/wasm/src/lib.rs
@@ -10,7 +10,9 @@
 // Total number of exported functions:   3
 
 #![no_std]
-#![allow(internal_features)]
+
+// Configuration that works with rustc < 1.73.0.
+// TODO: Recommended rustc version: 1.73.0 or newer.
 #![feature(lang_items)]
 
 multiversx_sc_wasm_adapter::allocator!();
diff --git a/contracts/feature-tests/composability/transfer-role-features/wasm/Cargo.lock b/contracts/feature-tests/composability/transfer-role-features/wasm/Cargo.lock
index 999df9da25..2584505b43 100644
--- a/contracts/feature-tests/composability/transfer-role-features/wasm/Cargo.lock
+++ b/contracts/feature-tests/composability/transfer-role-features/wasm/Cargo.lock
@@ -173,9 +173,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62bb4feee49fdd9f707ef802e22365a35de4b7b299de4763d44bfea899442ff9"
+checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
 
 [[package]]
 name = "syn"
diff --git a/contracts/feature-tests/composability/transfer-role-features/wasm/src/lib.rs b/contracts/feature-tests/composability/transfer-role-features/wasm/src/lib.rs
index 517d249995..b7f5b995f7 100644
--- a/contracts/feature-tests/composability/transfer-role-features/wasm/src/lib.rs
+++ b/contracts/feature-tests/composability/transfer-role-features/wasm/src/lib.rs
@@ -10,7 +10,9 @@
 // Total number of exported functions:   3
 
 #![no_std]
-#![allow(internal_features)]
+
+// Configuration that works with rustc < 1.73.0.
+// TODO: Recommended rustc version: 1.73.0 or newer.
 #![feature(lang_items)]
 
 multiversx_sc_wasm_adapter::allocator!();
diff --git a/contracts/feature-tests/composability/vault/wasm-vault-promises/Cargo.lock b/contracts/feature-tests/composability/vault/wasm-vault-promises/Cargo.lock
index 0eab6dcbea..03a35d72a8 100644
--- a/contracts/feature-tests/composability/vault/wasm-vault-promises/Cargo.lock
+++ b/contracts/feature-tests/composability/vault/wasm-vault-promises/Cargo.lock
@@ -166,9 +166,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62bb4feee49fdd9f707ef802e22365a35de4b7b299de4763d44bfea899442ff9"
+checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
 
 [[package]]
 name = "syn"
diff --git a/contracts/feature-tests/composability/vault/wasm-vault-promises/src/lib.rs b/contracts/feature-tests/composability/vault/wasm-vault-promises/src/lib.rs
index 328820b86e..87c110bc70 100644
--- a/contracts/feature-tests/composability/vault/wasm-vault-promises/src/lib.rs
+++ b/contracts/feature-tests/composability/vault/wasm-vault-promises/src/lib.rs
@@ -10,7 +10,9 @@
 // Total number of exported functions:  18
 
 #![no_std]
-#![allow(internal_features)]
+
+// Configuration that works with rustc < 1.73.0.
+// TODO: Recommended rustc version: 1.73.0 or newer.
 #![feature(lang_items)]
 
 multiversx_sc_wasm_adapter::allocator!();
diff --git a/contracts/feature-tests/composability/vault/wasm/Cargo.lock b/contracts/feature-tests/composability/vault/wasm/Cargo.lock
index 3dfc47b0ba..d8960cc63c 100755
--- a/contracts/feature-tests/composability/vault/wasm/Cargo.lock
+++ b/contracts/feature-tests/composability/vault/wasm/Cargo.lock
@@ -166,9 +166,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62bb4feee49fdd9f707ef802e22365a35de4b7b299de4763d44bfea899442ff9"
+checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
 
 [[package]]
 name = "syn"
diff --git a/contracts/feature-tests/composability/vault/wasm/src/lib.rs b/contracts/feature-tests/composability/vault/wasm/src/lib.rs
index 3fc0b51a46..d0e42574c2 100644
--- a/contracts/feature-tests/composability/vault/wasm/src/lib.rs
+++ b/contracts/feature-tests/composability/vault/wasm/src/lib.rs
@@ -10,7 +10,9 @@
 // Total number of exported functions:  17
 
 #![no_std]
-#![allow(internal_features)]
+
+// Configuration that works with rustc < 1.73.0.
+// TODO: Recommended rustc version: 1.73.0 or newer.
 #![feature(lang_items)]
 
 multiversx_sc_wasm_adapter::allocator!();
diff --git a/contracts/feature-tests/erc-style-contracts/crowdfunding-erc20/wasm/Cargo.lock b/contracts/feature-tests/erc-style-contracts/crowdfunding-erc20/wasm/Cargo.lock
index 100b134f2c..e58c42f99d 100644
--- a/contracts/feature-tests/erc-style-contracts/crowdfunding-erc20/wasm/Cargo.lock
+++ b/contracts/feature-tests/erc-style-contracts/crowdfunding-erc20/wasm/Cargo.lock
@@ -189,9 +189,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62bb4feee49fdd9f707ef802e22365a35de4b7b299de4763d44bfea899442ff9"
+checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
 
 [[package]]
 name = "syn"
diff --git a/contracts/feature-tests/erc-style-contracts/crowdfunding-erc20/wasm/src/lib.rs b/contracts/feature-tests/erc-style-contracts/crowdfunding-erc20/wasm/src/lib.rs
index e6de57e5c9..694cb75b5f 100644
--- a/contracts/feature-tests/erc-style-contracts/crowdfunding-erc20/wasm/src/lib.rs
+++ b/contracts/feature-tests/erc-style-contracts/crowdfunding-erc20/wasm/src/lib.rs
@@ -10,7 +10,9 @@
 // Total number of exported functions:  10
 
 #![no_std]
-#![allow(internal_features)]
+
+// Configuration that works with rustc < 1.73.0.
+// TODO: Recommended rustc version: 1.73.0 or newer.
 #![feature(lang_items)]
 
 multiversx_sc_wasm_adapter::allocator!();
diff --git a/contracts/feature-tests/erc-style-contracts/erc1155-marketplace/wasm/Cargo.lock b/contracts/feature-tests/erc-style-contracts/erc1155-marketplace/wasm/Cargo.lock
index e45438e784..7233fadce3 100644
--- a/contracts/feature-tests/erc-style-contracts/erc1155-marketplace/wasm/Cargo.lock
+++ b/contracts/feature-tests/erc-style-contracts/erc1155-marketplace/wasm/Cargo.lock
@@ -189,9 +189,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62bb4feee49fdd9f707ef802e22365a35de4b7b299de4763d44bfea899442ff9"
+checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
 
 [[package]]
 name = "syn"
diff --git a/contracts/feature-tests/erc-style-contracts/erc1155-marketplace/wasm/src/lib.rs b/contracts/feature-tests/erc-style-contracts/erc1155-marketplace/wasm/src/lib.rs
index aca827bf2f..86d821e06d 100644
--- a/contracts/feature-tests/erc-style-contracts/erc1155-marketplace/wasm/src/lib.rs
+++ b/contracts/feature-tests/erc-style-contracts/erc1155-marketplace/wasm/src/lib.rs
@@ -10,7 +10,9 @@
 // Total number of exported functions:  14
 
 #![no_std]
-#![allow(internal_features)]
+
+// Configuration that works with rustc < 1.73.0.
+// TODO: Recommended rustc version: 1.73.0 or newer.
 #![feature(lang_items)]
 
 multiversx_sc_wasm_adapter::allocator!(static64k);
diff --git a/contracts/feature-tests/erc-style-contracts/erc1155-user-mock/wasm/Cargo.lock b/contracts/feature-tests/erc-style-contracts/erc1155-user-mock/wasm/Cargo.lock
index f0f49f4819..4fa1be44d6 100644
--- a/contracts/feature-tests/erc-style-contracts/erc1155-user-mock/wasm/Cargo.lock
+++ b/contracts/feature-tests/erc-style-contracts/erc1155-user-mock/wasm/Cargo.lock
@@ -181,9 +181,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62bb4feee49fdd9f707ef802e22365a35de4b7b299de4763d44bfea899442ff9"
+checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
 
 [[package]]
 name = "syn"
diff --git a/contracts/feature-tests/erc-style-contracts/erc1155-user-mock/wasm/src/lib.rs b/contracts/feature-tests/erc-style-contracts/erc1155-user-mock/wasm/src/lib.rs
index d3261e60e1..c3e03c50ad 100644
--- a/contracts/feature-tests/erc-style-contracts/erc1155-user-mock/wasm/src/lib.rs
+++ b/contracts/feature-tests/erc-style-contracts/erc1155-user-mock/wasm/src/lib.rs
@@ -10,7 +10,9 @@
 // Total number of exported functions:   4
 
 #![no_std]
-#![allow(internal_features)]
+
+// Configuration that works with rustc < 1.73.0.
+// TODO: Recommended rustc version: 1.73.0 or newer.
 #![feature(lang_items)]
 
 multiversx_sc_wasm_adapter::allocator!();
diff --git a/contracts/feature-tests/erc-style-contracts/erc1155/wasm/Cargo.lock b/contracts/feature-tests/erc-style-contracts/erc1155/wasm/Cargo.lock
index c8aae6f03b..f68a8c5a9e 100644
--- a/contracts/feature-tests/erc-style-contracts/erc1155/wasm/Cargo.lock
+++ b/contracts/feature-tests/erc-style-contracts/erc1155/wasm/Cargo.lock
@@ -181,9 +181,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62bb4feee49fdd9f707ef802e22365a35de4b7b299de4763d44bfea899442ff9"
+checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
 
 [[package]]
 name = "syn"
diff --git a/contracts/feature-tests/erc-style-contracts/erc1155/wasm/src/lib.rs b/contracts/feature-tests/erc-style-contracts/erc1155/wasm/src/lib.rs
index d75cfe803a..35b9cf3bc6 100644
--- a/contracts/feature-tests/erc-style-contracts/erc1155/wasm/src/lib.rs
+++ b/contracts/feature-tests/erc-style-contracts/erc1155/wasm/src/lib.rs
@@ -10,7 +10,9 @@
 // Total number of exported functions:  15
 
 #![no_std]
-#![allow(internal_features)]
+
+// Configuration that works with rustc < 1.73.0.
+// TODO: Recommended rustc version: 1.73.0 or newer.
 #![feature(lang_items)]
 
 multiversx_sc_wasm_adapter::allocator!(static64k);
diff --git a/contracts/feature-tests/erc-style-contracts/erc20/wasm/Cargo.lock b/contracts/feature-tests/erc-style-contracts/erc20/wasm/Cargo.lock
index 02489c17bb..297d506288 100644
--- a/contracts/feature-tests/erc-style-contracts/erc20/wasm/Cargo.lock
+++ b/contracts/feature-tests/erc-style-contracts/erc20/wasm/Cargo.lock
@@ -181,9 +181,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62bb4feee49fdd9f707ef802e22365a35de4b7b299de4763d44bfea899442ff9"
+checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
 
 [[package]]
 name = "syn"
diff --git a/contracts/feature-tests/erc-style-contracts/erc20/wasm/src/lib.rs b/contracts/feature-tests/erc-style-contracts/erc20/wasm/src/lib.rs
index 3e8f031112..44431a67da 100644
--- a/contracts/feature-tests/erc-style-contracts/erc20/wasm/src/lib.rs
+++ b/contracts/feature-tests/erc-style-contracts/erc20/wasm/src/lib.rs
@@ -10,7 +10,9 @@
 // Total number of exported functions:   8
 
 #![no_std]
-#![allow(internal_features)]
+
+// Configuration that works with rustc < 1.73.0.
+// TODO: Recommended rustc version: 1.73.0 or newer.
 #![feature(lang_items)]
 
 multiversx_sc_wasm_adapter::allocator!();
diff --git a/contracts/feature-tests/erc-style-contracts/erc721/wasm/Cargo.lock b/contracts/feature-tests/erc-style-contracts/erc721/wasm/Cargo.lock
index 624552716e..aa21ebc40a 100644
--- a/contracts/feature-tests/erc-style-contracts/erc721/wasm/Cargo.lock
+++ b/contracts/feature-tests/erc-style-contracts/erc721/wasm/Cargo.lock
@@ -181,9 +181,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62bb4feee49fdd9f707ef802e22365a35de4b7b299de4763d44bfea899442ff9"
+checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
 
 [[package]]
 name = "syn"
diff --git a/contracts/feature-tests/erc-style-contracts/erc721/wasm/src/lib.rs b/contracts/feature-tests/erc-style-contracts/erc721/wasm/src/lib.rs
index c7875bf91f..bbb38f0df1 100644
--- a/contracts/feature-tests/erc-style-contracts/erc721/wasm/src/lib.rs
+++ b/contracts/feature-tests/erc-style-contracts/erc721/wasm/src/lib.rs
@@ -10,7 +10,9 @@
 // Total number of exported functions:  10
 
 #![no_std]
-#![allow(internal_features)]
+
+// Configuration that works with rustc < 1.73.0.
+// TODO: Recommended rustc version: 1.73.0 or newer.
 #![feature(lang_items)]
 
 multiversx_sc_wasm_adapter::allocator!();
diff --git a/contracts/feature-tests/erc-style-contracts/lottery-erc20/wasm/Cargo.lock b/contracts/feature-tests/erc-style-contracts/lottery-erc20/wasm/Cargo.lock
index 542abdab73..e2a65c7ca8 100644
--- a/contracts/feature-tests/erc-style-contracts/lottery-erc20/wasm/Cargo.lock
+++ b/contracts/feature-tests/erc-style-contracts/lottery-erc20/wasm/Cargo.lock
@@ -189,9 +189,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62bb4feee49fdd9f707ef802e22365a35de4b7b299de4763d44bfea899442ff9"
+checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
 
 [[package]]
 name = "syn"
diff --git a/contracts/feature-tests/erc-style-contracts/lottery-erc20/wasm/src/lib.rs b/contracts/feature-tests/erc-style-contracts/lottery-erc20/wasm/src/lib.rs
index 494d845005..ce0717f548 100644
--- a/contracts/feature-tests/erc-style-contracts/lottery-erc20/wasm/src/lib.rs
+++ b/contracts/feature-tests/erc-style-contracts/lottery-erc20/wasm/src/lib.rs
@@ -10,7 +10,9 @@
 // Total number of exported functions:   9
 
 #![no_std]
-#![allow(internal_features)]
+
+// Configuration that works with rustc < 1.73.0.
+// TODO: Recommended rustc version: 1.73.0 or newer.
 #![feature(lang_items)]
 
 multiversx_sc_wasm_adapter::allocator!(static64k);
diff --git a/contracts/feature-tests/esdt-system-sc-mock/wasm/Cargo.lock b/contracts/feature-tests/esdt-system-sc-mock/wasm/Cargo.lock
index 7c802e13ea..0547644661 100644
--- a/contracts/feature-tests/esdt-system-sc-mock/wasm/Cargo.lock
+++ b/contracts/feature-tests/esdt-system-sc-mock/wasm/Cargo.lock
@@ -181,9 +181,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62bb4feee49fdd9f707ef802e22365a35de4b7b299de4763d44bfea899442ff9"
+checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
 
 [[package]]
 name = "syn"
diff --git a/contracts/feature-tests/esdt-system-sc-mock/wasm/src/lib.rs b/contracts/feature-tests/esdt-system-sc-mock/wasm/src/lib.rs
index 16f3f78ef6..69f9df4bf5 100644
--- a/contracts/feature-tests/esdt-system-sc-mock/wasm/src/lib.rs
+++ b/contracts/feature-tests/esdt-system-sc-mock/wasm/src/lib.rs
@@ -10,7 +10,9 @@
 // Total number of exported functions:   8
 
 #![no_std]
-#![allow(internal_features)]
+
+// Configuration that works with rustc < 1.73.0.
+// TODO: Recommended rustc version: 1.73.0 or newer.
 #![feature(lang_items)]
 
 multiversx_sc_wasm_adapter::allocator!();
diff --git a/contracts/feature-tests/formatted-message-features/wasm/Cargo.lock b/contracts/feature-tests/formatted-message-features/wasm/Cargo.lock
index 1eff7d8c49..d5be33c883 100644
--- a/contracts/feature-tests/formatted-message-features/wasm/Cargo.lock
+++ b/contracts/feature-tests/formatted-message-features/wasm/Cargo.lock
@@ -181,9 +181,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62bb4feee49fdd9f707ef802e22365a35de4b7b299de4763d44bfea899442ff9"
+checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
 
 [[package]]
 name = "syn"
diff --git a/contracts/feature-tests/formatted-message-features/wasm/src/lib.rs b/contracts/feature-tests/formatted-message-features/wasm/src/lib.rs
index 7f7a3a7e0d..9aab5c626b 100644
--- a/contracts/feature-tests/formatted-message-features/wasm/src/lib.rs
+++ b/contracts/feature-tests/formatted-message-features/wasm/src/lib.rs
@@ -10,7 +10,9 @@
 // Total number of exported functions:  18
 
 #![no_std]
-#![allow(internal_features)]
+
+// Configuration that works with rustc < 1.73.0.
+// TODO: Recommended rustc version: 1.73.0 or newer.
 #![feature(lang_items)]
 
 multiversx_sc_wasm_adapter::allocator!();
diff --git a/contracts/feature-tests/managed-map-features/wasm/Cargo.lock b/contracts/feature-tests/managed-map-features/wasm/Cargo.lock
index af214063fc..e6ffc15ebb 100644
--- a/contracts/feature-tests/managed-map-features/wasm/Cargo.lock
+++ b/contracts/feature-tests/managed-map-features/wasm/Cargo.lock
@@ -181,9 +181,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62bb4feee49fdd9f707ef802e22365a35de4b7b299de4763d44bfea899442ff9"
+checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
 
 [[package]]
 name = "syn"
diff --git a/contracts/feature-tests/managed-map-features/wasm/src/lib.rs b/contracts/feature-tests/managed-map-features/wasm/src/lib.rs
index b9eb9cc68a..3976e5f8d1 100644
--- a/contracts/feature-tests/managed-map-features/wasm/src/lib.rs
+++ b/contracts/feature-tests/managed-map-features/wasm/src/lib.rs
@@ -10,7 +10,9 @@
 // Total number of exported functions:   5
 
 #![no_std]
-#![allow(internal_features)]
+
+// Configuration that works with rustc < 1.73.0.
+// TODO: Recommended rustc version: 1.73.0 or newer.
 #![feature(lang_items)]
 
 multiversx_sc_wasm_adapter::allocator!();
diff --git a/contracts/feature-tests/multi-contract-features/wasm-multi-contract-alt-impl/Cargo.lock b/contracts/feature-tests/multi-contract-features/wasm-multi-contract-alt-impl/Cargo.lock
index 9fe98ca92e..800bc2f9ce 100644
--- a/contracts/feature-tests/multi-contract-features/wasm-multi-contract-alt-impl/Cargo.lock
+++ b/contracts/feature-tests/multi-contract-features/wasm-multi-contract-alt-impl/Cargo.lock
@@ -181,9 +181,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62bb4feee49fdd9f707ef802e22365a35de4b7b299de4763d44bfea899442ff9"
+checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
 
 [[package]]
 name = "syn"
diff --git a/contracts/feature-tests/multi-contract-features/wasm-multi-contract-alt-impl/src/lib.rs b/contracts/feature-tests/multi-contract-features/wasm-multi-contract-alt-impl/src/lib.rs
index 29d0f8827c..2c0918a028 100644
--- a/contracts/feature-tests/multi-contract-features/wasm-multi-contract-alt-impl/src/lib.rs
+++ b/contracts/feature-tests/multi-contract-features/wasm-multi-contract-alt-impl/src/lib.rs
@@ -10,7 +10,9 @@
 // Total number of exported functions:   3
 
 #![no_std]
-#![allow(internal_features)]
+
+// Configuration that works with rustc < 1.73.0.
+// TODO: Recommended rustc version: 1.73.0 or newer.
 #![feature(lang_items)]
 
 multiversx_sc_wasm_adapter::allocator!();
diff --git a/contracts/feature-tests/multi-contract-features/wasm-multi-contract-example-feature/Cargo.lock b/contracts/feature-tests/multi-contract-features/wasm-multi-contract-example-feature/Cargo.lock
index 1c38ddef6c..c3643aef88 100644
--- a/contracts/feature-tests/multi-contract-features/wasm-multi-contract-example-feature/Cargo.lock
+++ b/contracts/feature-tests/multi-contract-features/wasm-multi-contract-example-feature/Cargo.lock
@@ -181,9 +181,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62bb4feee49fdd9f707ef802e22365a35de4b7b299de4763d44bfea899442ff9"
+checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
 
 [[package]]
 name = "syn"
diff --git a/contracts/feature-tests/multi-contract-features/wasm-multi-contract-example-feature/src/lib.rs b/contracts/feature-tests/multi-contract-features/wasm-multi-contract-example-feature/src/lib.rs
index 52fb9496e5..8cfb37b1bf 100644
--- a/contracts/feature-tests/multi-contract-features/wasm-multi-contract-example-feature/src/lib.rs
+++ b/contracts/feature-tests/multi-contract-features/wasm-multi-contract-example-feature/src/lib.rs
@@ -10,7 +10,9 @@
 // Total number of exported functions:   4
 
 #![no_std]
-#![allow(internal_features)]
+
+// Configuration that works with rustc < 1.73.0.
+// TODO: Recommended rustc version: 1.73.0 or newer.
 #![feature(lang_items)]
 
 multiversx_sc_wasm_adapter::allocator!();
diff --git a/contracts/feature-tests/multi-contract-features/wasm-multi-contract-features-view/Cargo.lock b/contracts/feature-tests/multi-contract-features/wasm-multi-contract-features-view/Cargo.lock
index 1ae02d532a..d06bea5a42 100644
--- a/contracts/feature-tests/multi-contract-features/wasm-multi-contract-features-view/Cargo.lock
+++ b/contracts/feature-tests/multi-contract-features/wasm-multi-contract-features-view/Cargo.lock
@@ -181,9 +181,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62bb4feee49fdd9f707ef802e22365a35de4b7b299de4763d44bfea899442ff9"
+checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
 
 [[package]]
 name = "syn"
diff --git a/contracts/feature-tests/multi-contract-features/wasm-multi-contract-features-view/src/lib.rs b/contracts/feature-tests/multi-contract-features/wasm-multi-contract-features-view/src/lib.rs
index 84dd507f9b..3fe1350380 100644
--- a/contracts/feature-tests/multi-contract-features/wasm-multi-contract-features-view/src/lib.rs
+++ b/contracts/feature-tests/multi-contract-features/wasm-multi-contract-features-view/src/lib.rs
@@ -10,7 +10,9 @@
 // Total number of exported functions:   5
 
 #![no_std]
-#![allow(internal_features)]
+
+// Configuration that works with rustc < 1.73.0.
+// TODO: Recommended rustc version: 1.73.0 or newer.
 #![feature(lang_items)]
 
 multiversx_sc_wasm_adapter::allocator!();
diff --git a/contracts/feature-tests/multi-contract-features/wasm/Cargo.lock b/contracts/feature-tests/multi-contract-features/wasm/Cargo.lock
index 0e0247c98e..acf227cd3d 100755
--- a/contracts/feature-tests/multi-contract-features/wasm/Cargo.lock
+++ b/contracts/feature-tests/multi-contract-features/wasm/Cargo.lock
@@ -181,9 +181,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62bb4feee49fdd9f707ef802e22365a35de4b7b299de4763d44bfea899442ff9"
+checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
 
 [[package]]
 name = "syn"
diff --git a/contracts/feature-tests/multi-contract-features/wasm/src/lib.rs b/contracts/feature-tests/multi-contract-features/wasm/src/lib.rs
index 52fb9496e5..8cfb37b1bf 100644
--- a/contracts/feature-tests/multi-contract-features/wasm/src/lib.rs
+++ b/contracts/feature-tests/multi-contract-features/wasm/src/lib.rs
@@ -10,7 +10,9 @@
 // Total number of exported functions:   4
 
 #![no_std]
-#![allow(internal_features)]
+
+// Configuration that works with rustc < 1.73.0.
+// TODO: Recommended rustc version: 1.73.0 or newer.
 #![feature(lang_items)]
 
 multiversx_sc_wasm_adapter::allocator!();
diff --git a/contracts/feature-tests/panic-message-features/wasm/Cargo.lock b/contracts/feature-tests/panic-message-features/wasm/Cargo.lock
index 2631c18242..29cee908fb 100755
--- a/contracts/feature-tests/panic-message-features/wasm/Cargo.lock
+++ b/contracts/feature-tests/panic-message-features/wasm/Cargo.lock
@@ -181,9 +181,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62bb4feee49fdd9f707ef802e22365a35de4b7b299de4763d44bfea899442ff9"
+checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
 
 [[package]]
 name = "syn"
diff --git a/contracts/feature-tests/panic-message-features/wasm/src/lib.rs b/contracts/feature-tests/panic-message-features/wasm/src/lib.rs
index 991a5809ab..5a06957099 100644
--- a/contracts/feature-tests/panic-message-features/wasm/src/lib.rs
+++ b/contracts/feature-tests/panic-message-features/wasm/src/lib.rs
@@ -10,7 +10,9 @@
 // Total number of exported functions:   4
 
 #![no_std]
-#![allow(internal_features)]
+
+// Configuration that works with rustc < 1.73.0.
+// TODO: Recommended rustc version: 1.73.0 or newer.
 #![feature(lang_items)]
 
 multiversx_sc_wasm_adapter::allocator!();
diff --git a/contracts/feature-tests/payable-features/wasm/Cargo.lock b/contracts/feature-tests/payable-features/wasm/Cargo.lock
index 6ffa584044..332acb581b 100755
--- a/contracts/feature-tests/payable-features/wasm/Cargo.lock
+++ b/contracts/feature-tests/payable-features/wasm/Cargo.lock
@@ -181,9 +181,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62bb4feee49fdd9f707ef802e22365a35de4b7b299de4763d44bfea899442ff9"
+checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
 
 [[package]]
 name = "syn"
diff --git a/contracts/feature-tests/payable-features/wasm/src/lib.rs b/contracts/feature-tests/payable-features/wasm/src/lib.rs
index 460abf77e2..702bb4a549 100644
--- a/contracts/feature-tests/payable-features/wasm/src/lib.rs
+++ b/contracts/feature-tests/payable-features/wasm/src/lib.rs
@@ -10,7 +10,9 @@
 // Total number of exported functions:  17
 
 #![no_std]
-#![allow(internal_features)]
+
+// Configuration that works with rustc < 1.73.0.
+// TODO: Recommended rustc version: 1.73.0 or newer.
 #![feature(lang_items)]
 
 multiversx_sc_wasm_adapter::allocator!();
diff --git a/contracts/feature-tests/rust-snippets-generator-test/wasm/Cargo.lock b/contracts/feature-tests/rust-snippets-generator-test/wasm/Cargo.lock
index 135aa70836..1e088f6daf 100644
--- a/contracts/feature-tests/rust-snippets-generator-test/wasm/Cargo.lock
+++ b/contracts/feature-tests/rust-snippets-generator-test/wasm/Cargo.lock
@@ -181,9 +181,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62bb4feee49fdd9f707ef802e22365a35de4b7b299de4763d44bfea899442ff9"
+checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
 
 [[package]]
 name = "syn"
diff --git a/contracts/feature-tests/rust-snippets-generator-test/wasm/src/lib.rs b/contracts/feature-tests/rust-snippets-generator-test/wasm/src/lib.rs
index 318b2b3324..31443ac81e 100644
--- a/contracts/feature-tests/rust-snippets-generator-test/wasm/src/lib.rs
+++ b/contracts/feature-tests/rust-snippets-generator-test/wasm/src/lib.rs
@@ -10,7 +10,9 @@
 // Total number of exported functions:  18
 
 #![no_std]
-#![allow(internal_features)]
+
+// Configuration that works with rustc < 1.73.0.
+// TODO: Recommended rustc version: 1.73.0 or newer.
 #![feature(lang_items)]
 
 multiversx_sc_wasm_adapter::allocator!();
diff --git a/contracts/feature-tests/rust-testing-framework-tester/wasm/Cargo.lock b/contracts/feature-tests/rust-testing-framework-tester/wasm/Cargo.lock
index 3a7849c25e..d5f7d44f1f 100644
--- a/contracts/feature-tests/rust-testing-framework-tester/wasm/Cargo.lock
+++ b/contracts/feature-tests/rust-testing-framework-tester/wasm/Cargo.lock
@@ -181,9 +181,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62bb4feee49fdd9f707ef802e22365a35de4b7b299de4763d44bfea899442ff9"
+checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
 
 [[package]]
 name = "syn"
diff --git a/contracts/feature-tests/rust-testing-framework-tester/wasm/src/lib.rs b/contracts/feature-tests/rust-testing-framework-tester/wasm/src/lib.rs
index e4ce6ee845..2e106ce4a3 100644
--- a/contracts/feature-tests/rust-testing-framework-tester/wasm/src/lib.rs
+++ b/contracts/feature-tests/rust-testing-framework-tester/wasm/src/lib.rs
@@ -10,7 +10,9 @@
 // Total number of exported functions:  28
 
 #![no_std]
-#![allow(internal_features)]
+
+// Configuration that works with rustc < 1.73.0.
+// TODO: Recommended rustc version: 1.73.0 or newer.
 #![feature(lang_items)]
 
 multiversx_sc_wasm_adapter::allocator!(static64k);
diff --git a/contracts/feature-tests/use-module/wasm-use-module-view/Cargo.lock b/contracts/feature-tests/use-module/wasm-use-module-view/Cargo.lock
index f4cddddf89..78b26e31db 100644
--- a/contracts/feature-tests/use-module/wasm-use-module-view/Cargo.lock
+++ b/contracts/feature-tests/use-module/wasm-use-module-view/Cargo.lock
@@ -173,9 +173,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62bb4feee49fdd9f707ef802e22365a35de4b7b299de4763d44bfea899442ff9"
+checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
 
 [[package]]
 name = "syn"
diff --git a/contracts/feature-tests/use-module/wasm-use-module-view/src/lib.rs b/contracts/feature-tests/use-module/wasm-use-module-view/src/lib.rs
index bc7a1a65e2..87b8d984c8 100644
--- a/contracts/feature-tests/use-module/wasm-use-module-view/src/lib.rs
+++ b/contracts/feature-tests/use-module/wasm-use-module-view/src/lib.rs
@@ -10,7 +10,9 @@
 // Total number of exported functions:   4
 
 #![no_std]
-#![allow(internal_features)]
+
+// Configuration that works with rustc < 1.73.0.
+// TODO: Recommended rustc version: 1.73.0 or newer.
 #![feature(lang_items)]
 
 multiversx_sc_wasm_adapter::allocator!();
diff --git a/contracts/feature-tests/use-module/wasm/Cargo.lock b/contracts/feature-tests/use-module/wasm/Cargo.lock
index fd1526ca50..0991c956b5 100644
--- a/contracts/feature-tests/use-module/wasm/Cargo.lock
+++ b/contracts/feature-tests/use-module/wasm/Cargo.lock
@@ -173,9 +173,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62bb4feee49fdd9f707ef802e22365a35de4b7b299de4763d44bfea899442ff9"
+checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
 
 [[package]]
 name = "syn"
diff --git a/contracts/feature-tests/use-module/wasm/src/lib.rs b/contracts/feature-tests/use-module/wasm/src/lib.rs
index df77fdfa1e..0b6aeda8fb 100644
--- a/contracts/feature-tests/use-module/wasm/src/lib.rs
+++ b/contracts/feature-tests/use-module/wasm/src/lib.rs
@@ -10,7 +10,9 @@
 // Total number of exported functions:  64
 
 #![no_std]
-#![allow(internal_features)]
+
+// Configuration that works with rustc < 1.73.0.
+// TODO: Recommended rustc version: 1.73.0 or newer.
 #![feature(lang_items)]
 
 multiversx_sc_wasm_adapter::allocator!();