diff --git a/.browserslistrc b/.browserslistrc
index 2a733ab5c32d..2133eb1c92b9 100644
--- a/.browserslistrc
+++ b/.browserslistrc
@@ -31,7 +31,7 @@ firefox 78
 ios_saf 12.2
 kaios 2.5
 op_mini all
-op_mob 73
+op_mob 80
 opera 76
 safari 14
 samsung 13.0
@@ -52,7 +52,7 @@ firefox 78
 ios_saf 12.2
 kaios 2.5
 op_mini all
-op_mob 73
+op_mob 80
 opera 76
 safari 14
 samsung 13.0
diff --git a/.github/workflows/vale-action.yml b/.github/workflows/vale-action.yml
index 61078d7162ee..53ce0e90216f 100644
--- a/.github/workflows/vale-action.yml
+++ b/.github/workflows/vale-action.yml
@@ -12,8 +12,8 @@ jobs:
       contents: read
       pull-requests: write
     steps:
-      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
-      - uses: errata-ai/vale-action@c4213d4de3d5f718b8497bd86161531c78992084 # v2.0.1
+      - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
+      - uses: errata-ai/vale-action@38bf078c328061f59879b347ca344a718a736018 # v2.1.0
         with:
           reporter: github-pr-review
           files: docs/data
diff --git a/packages/grid/x-data-grid-premium/src/hooks/features/cellSelection/useGridCellSelection.ts b/packages/grid/x-data-grid-premium/src/hooks/features/cellSelection/useGridCellSelection.ts
index f1b7865de657..597408b2f849 100644
--- a/packages/grid/x-data-grid-premium/src/hooks/features/cellSelection/useGridCellSelection.ts
+++ b/packages/grid/x-data-grid-premium/src/hooks/features/cellSelection/useGridCellSelection.ts
@@ -142,7 +142,9 @@ export const useGridCellSelection = (
       const rowsInRange = visibleRows.rows.slice(finalStartRowIndex, finalEndRowIndex + 1);
       const columnsInRange = visibleColumns.slice(finalStartColumnIndex, finalEndColumnIndex + 1);
 
-      const newModel = keepOtherSelected ? apiRef.current.unstable_getCellSelectionModel() : {};
+      const newModel = keepOtherSelected
+        ? { ...apiRef.current.unstable_getCellSelectionModel() }
+        : {};
 
       rowsInRange.forEach((row) => {
         if (!newModel[row.id]) {
diff --git a/yarn.lock b/yarn.lock
index f67a91c98d8f..e4ba4754d414 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4873,9 +4873,9 @@ camelize@^1.0.0:
   integrity sha512-dU+Tx2fsypxTgtLoE36npi3UqcjSSMNYfkqgmoEhtZrraP5VWq0K7FkWVTYa8eMPtnU/G2txVsfdCJTn9uzpuQ==
 
 caniuse-lite@^1.0.30001406, caniuse-lite@^1.0.30001538, caniuse-lite@^1.0.30001565:
-  version "1.0.30001587"
-  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30001587.tgz#a0bce920155fa56a1885a69c74e1163fc34b4881"
-  integrity sha512-HMFNotUmLXn71BQxg8cijvqxnIAofforZOwGsxyXJ0qugTdspUF4sPSJ2vhgprHCB996tIDzEq1ubumPDV8ULA==
+  version "1.0.30001660"
+  resolved "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30001660.tgz"
+  integrity sha512-GacvNTTuATm26qC74pt+ad1fW15mlQ/zuTzzY1ZoIzECTP8HURDfF43kNxPgf7H1jmelCBQTTbBNxdSXOA7Bqg==
 
 chai-dom@^1.12.0:
   version "1.12.0"
@@ -13615,16 +13615,7 @@ string-replace-loader@^3.1.0:
     loader-utils "^2.0.0"
     schema-utils "^3.0.0"
 
-"string-width-cjs@npm:string-width@^4.2.0":
-  version "4.2.3"
-  resolved "https://registry.yarnpkg.com/string-width/-/string-width-4.2.3.tgz#269c7117d27b05ad2e536830a8ec895ef9c6d010"
-  integrity sha512-wKyQRQpjJ0sIp62ErSZdGsjMJWsap5oRNihHhu6G7JVO/9jIB6UyevL+tXuOqrng8j/cxKTWyWUwvSTriiZz/g==
-  dependencies:
-    emoji-regex "^8.0.0"
-    is-fullwidth-code-point "^3.0.0"
-    strip-ansi "^6.0.1"
-
-"string-width@^1.0.2 || 2 || 3 || 4", string-width@^4.1.0, string-width@^4.2.0, string-width@^4.2.3:
+"string-width-cjs@npm:string-width@^4.2.0", "string-width@^1.0.2 || 2 || 3 || 4", string-width@^4.1.0, string-width@^4.2.0, string-width@^4.2.3:
   version "4.2.3"
   resolved "https://registry.yarnpkg.com/string-width/-/string-width-4.2.3.tgz#269c7117d27b05ad2e536830a8ec895ef9c6d010"
   integrity sha512-wKyQRQpjJ0sIp62ErSZdGsjMJWsap5oRNihHhu6G7JVO/9jIB6UyevL+tXuOqrng8j/cxKTWyWUwvSTriiZz/g==
@@ -13703,14 +13694,7 @@ string_decoder@~1.1.1:
   dependencies:
     safe-buffer "~5.1.0"
 
-"strip-ansi-cjs@npm:strip-ansi@^6.0.1":
-  version "6.0.1"
-  resolved "https://registry.yarnpkg.com/strip-ansi/-/strip-ansi-6.0.1.tgz#9e26c63d30f53443e9489495b2105d37b67a85d9"
-  integrity sha512-Y38VPSHcqkFrCpFnQ9vuSXmquuv5oXOKpGeT6aGrr3o3Gc9AlVa6JBfUSOCnbxGGZF+/0ooI7KrPuUSztUdU5A==
-  dependencies:
-    ansi-regex "^5.0.1"
-
-strip-ansi@^6.0.0, strip-ansi@^6.0.1:
+"strip-ansi-cjs@npm:strip-ansi@^6.0.1", strip-ansi@^6.0.0, strip-ansi@^6.0.1:
   version "6.0.1"
   resolved "https://registry.yarnpkg.com/strip-ansi/-/strip-ansi-6.0.1.tgz#9e26c63d30f53443e9489495b2105d37b67a85d9"
   integrity sha512-Y38VPSHcqkFrCpFnQ9vuSXmquuv5oXOKpGeT6aGrr3o3Gc9AlVa6JBfUSOCnbxGGZF+/0ooI7KrPuUSztUdU5A==
@@ -14962,7 +14946,7 @@ workerpool@6.2.1:
   resolved "https://registry.yarnpkg.com/workerpool/-/workerpool-6.2.1.tgz#46fc150c17d826b86a008e5a4508656777e9c343"
   integrity sha512-ILEIE97kDZvF9Wb9f6h5aXK4swSlKGUcOEGiIYb2OOu/IrDU9iwj0fD//SsA6E5ibwJxpEvhullJY4Sl4GcpAw==
 
-"wrap-ansi-cjs@npm:wrap-ansi@^7.0.0":
+"wrap-ansi-cjs@npm:wrap-ansi@^7.0.0", wrap-ansi@^7.0.0:
   version "7.0.0"
   resolved "https://registry.yarnpkg.com/wrap-ansi/-/wrap-ansi-7.0.0.tgz#67e145cff510a6a6984bdf1152911d69d2eb9e43"
   integrity sha512-YVGIj2kamLSTxw6NsZjoBxfSwsn0ycdesmc4p+Q21c5zPuZ1pl+NfxVdxPtdHvmNVOQ6XSYG4AUtyt/Fi7D16Q==
@@ -14980,15 +14964,6 @@ wrap-ansi@^6.0.1, wrap-ansi@^6.2.0:
     string-width "^4.1.0"
     strip-ansi "^6.0.0"
 
-wrap-ansi@^7.0.0:
-  version "7.0.0"
-  resolved "https://registry.yarnpkg.com/wrap-ansi/-/wrap-ansi-7.0.0.tgz#67e145cff510a6a6984bdf1152911d69d2eb9e43"
-  integrity sha512-YVGIj2kamLSTxw6NsZjoBxfSwsn0ycdesmc4p+Q21c5zPuZ1pl+NfxVdxPtdHvmNVOQ6XSYG4AUtyt/Fi7D16Q==
-  dependencies:
-    ansi-styles "^4.0.0"
-    string-width "^4.1.0"
-    strip-ansi "^6.0.0"
-
 wrap-ansi@^8.0.1, wrap-ansi@^8.1.0:
   version "8.1.0"
   resolved "https://registry.yarnpkg.com/wrap-ansi/-/wrap-ansi-8.1.0.tgz#56dc22368ee570face1b49819975d9b9a5ead214"