Remove support for Swift 5.8

.github/workflows/test.yml

@@ -15,14 +15,12 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        xcode: ["15.4", "15.2", "14.3.1"]
+        xcode: ["15.4", "15.2"]
         include:
           - xcode: "15.4"
             macos: macOS-14
           - xcode: "15.2"
             macos: macOS-14
-          - xcode: "14.3.1"
-            macos: macOS-14
     runs-on: ${{ matrix.macos }}
     name: macOS
     steps:
@@ -57,17 +55,14 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        swift: ["5.10", "5.9", "5.8"]
+        swift: ["5.10", "5.9"]
         include:
           - swift: "5.10"
             container: "swift:5.10"
             cache-version: 1
           - swift: "5.9"
             container: "swift:5.9"
             cache-version: 1
-          - swift: "5.8"
-            container: "swift:5.8"
-            cache-version: 1
     runs-on: ubuntu-20.04
     container: ${{ matrix.container }}
     name: Linux

CHANGELOG.md

@@ -2,7 +2,7 @@
 
 ##### Breaking
 
-- None.
+- Removed support for Swift 5.8/Xcode 14.3.
 
 ##### Enhancements
 

Package.swift

@@ -1,4 +1,4 @@
-// swift-tools-version:5.8
+// swift-tools-version:5.9
 import PackageDescription
 
 var dependencies: [Package.Dependency] = [

Sources/PeripheryKit/SwiftVersion.swift

@@ -4,7 +4,7 @@ import Shared
 public struct SwiftVersion {
     public static let current = SwiftVersion()
 
-    static let minimumVersion = "5.8"
+    static let minimumVersion = "5.9"
 
     public let version: VersionString
     public let fullVersion: String