Merge branch 'main' into feat/6450-fail-on-unfixable

Author: omar-y-abdi

.github/workflows/release.yml

@@ -13,7 +13,7 @@ on:
         type: string
 
 env:
-  DEVELOPER_DIR: /Applications/Xcode_26.0.1.app
+  DEVELOPER_DIR: /Applications/Xcode_26.4.app
   RELEASE_BRANCH: release/${{ inputs.version }}
   MIMALLOC_VERSION: 3.0.10
 
@@ -206,7 +206,7 @@ jobs:
     runs-on: windows-${{ matrix.windows-version }}
     env:
       SWIFT_VERSION: development
-      SWIFT_BUILD: DEVELOPMENT-SNAPSHOT-2026-01-09-a
+      SWIFT_BUILD: DEVELOPMENT-SNAPSHOT-2026-03-16-a
     strategy:
       fail-fast: false
       matrix:

.github/workflows/test.yml

@@ -46,7 +46,7 @@ jobs:
           - macOS: '15'
             xcode: '16.4'
           - macOS: '26'
-            xcode: '26.0'
+            xcode: '26.4'
     env:
       DEVELOPER_DIR: /Applications/Xcode_${{ matrix.xcode }}.app
     steps:
@@ -64,7 +64,7 @@ jobs:
     runs-on: windows-${{ matrix.windows-version }}
     env:
       SWIFT_VERSION: development
-      SWIFT_BUILD: DEVELOPMENT-SNAPSHOT-2026-01-09-a
+      SWIFT_BUILD: DEVELOPMENT-SNAPSHOT-2026-03-16-a
     strategy:
       fail-fast: false
       matrix: