wip iOS build toolchain

.github/actions/setup-desktop-build/action.yml

@@ -9,11 +9,22 @@ inputs:
 runs:
     using: composite
     steps:
+        # macos-latest's default Xcode advances on its own schedule (we've seen
+        # it jump across major versions within days) — pin to a specific
+        # release so builds don't churn every time GitHub rolls the runner
+        # image forward. This isn't a workaround for a specific bug (the Swift
+        # back-deployment link error we hit was caused by our iOS deployment
+        # target being too old for the toolchain to back-deploy Concurrency
+        # to, fixed by raising it — see tauri.ios.conf.json / gen/apple) —
+        # it's purely for reproducibility. Bump deliberately (and re-test) if
+        # a newer Xcode is ever needed, e.g. for an App Store SDK requirement;
+        # check available versions in a failing run's log first — runner
+        # images only keep the last few Xcode releases installed.
         - name: Select Xcode
           if: runner.os == 'macOS'
           uses: maxim-lobanov/setup-xcode@v1
           with:
-              xcode-version: "16.2"
+              xcode-version: "26.4.1"
 
         - name: Setup Node.js
           uses: actions/setup-node@v6

src-tauri/gen/apple/Podfile

@@ -1,7 +1,7 @@
 # Uncomment the next line to define a global platform for your project
 
 target 'Scriptio_iOS' do
-platform :ios, '13.0'
+platform :ios, '16.0'
   # Pods for Scriptio_iOS
 end
 

src-tauri/gen/apple/Scriptio.xcodeproj/project.pbxproj

@@ -332,7 +332,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 16.0;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				MTL_FAST_MATH = YES;
 				PRODUCT_NAME = "$(TARGET_NAME)";
@@ -394,7 +394,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 16.0;
 				MTL_ENABLE_DEBUG_INFO = INCLUDE_SOURCE;
 				MTL_FAST_MATH = YES;
 				ONLY_ACTIVE_ARCH = YES;

src-tauri/gen/apple/project.yml

@@ -2,7 +2,7 @@ name: Scriptio
 options:
   bundleIdPrefix: app.scriptio
   deploymentTarget:
-    iOS: 13.0
+    iOS: 16.0
 fileGroups: [../../src]
 configs:
   debug: debug

src-tauri/tauri.ios.conf.json

@@ -5,7 +5,7 @@
         "category": "Productivity",
         "iOS": {
             "developmentTeam": "G93CJ6PWZH",
-            "minimumSystemVersion": "13.0"
+            "minimumSystemVersion": "16.0"
         }
     }
 }