Update CI toolchain versions

.github/workflows/compatibility_tests.yml

@@ -14,7 +14,7 @@ jobs:
       matrix:
         include:
           - os: macos-15
-            xcode-version: "16.4"   # Swift 6.1.2
+            xcode-version: "26.3"   # Swift 6.2.4
     runs-on: ${{ matrix.os }}
     env:
       OPENATTRIBUTEGRAPH_WERROR: 1
@@ -36,7 +36,9 @@ jobs:
         shell: bash
       - name: Run tests against Apple's AttributeGraph on macOS via SwiftPM
         run: |
+          # Swift 6.2.4 crashes while indexing C++ interop test targets.
           swift test \
+            --disable-index-store \
             --build-path .build-compatibility-test-debug
       - name: Run tests against Apple's AttributeGraph on macOS via Xcode
         run: |
@@ -46,4 +48,4 @@ jobs:
             -sdk macosx \
             -destination "platform=macOS" \
             -skipPackagePluginValidation \
-            -skipMacroValidation
+            -skipMacroValidation

.github/workflows/compute.yml

@@ -12,7 +12,9 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        swift_version: ["6.2"]
+        # Swift 6.2.4 crashes swift-frontend when compiling C++ interop on Linux.
+        # Swift 6.3.2 has been verified locally on Linux.
+        swift_version: ["6.3.2"]
     runs-on: ubuntu-22.04
     env:
       OPENATTRIBUTEGRAPH_WERROR: 1
@@ -36,7 +38,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [macos-15]
-        xcode-version: ["16.4"]
+        xcode-version: ["26.3"]
     runs-on: ${{ matrix.os }}
     env:
       OPENATTRIBUTEGRAPH_WERROR: 1
@@ -59,7 +61,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [macos-15]
-        xcode-version: ["16.4"]
+        xcode-version: ["26.3"]
         ios-version: ["18.5"]
         include:
           - ios-version: "18.5"

.github/workflows/ios.yml

@@ -13,7 +13,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [macos-15]
-        xcode-version: ["16.4"]   # Swift 6.1.2
+        xcode-version: ["26.3"]   # Swift 6.2.4
         ios-version: ["18.5"]
         include:
           - ios-version: "18.5"
@@ -38,6 +38,7 @@ jobs:
         shell: bash
       - name: Build in debug mode on iOS
         run: |
+          # Swift 6.2.4 crashes while indexing C++ interop test targets.
           xcodebuild build \
             -workspace .swiftpm/xcode/package.xcworkspace \
             -scheme OpenAttributeGraph-Package \
@@ -46,9 +47,11 @@ jobs:
             -derivedDataPath .build-debug \
             -skipMacroValidation \
             -skipPackagePluginValidation \
+            COMPILER_INDEX_STORE_ENABLE=NO \
             OTHER_SWIFT_FLAGS="-warnings-as-errors"
       - name: Build and run tests in debug mode with coverage on iOS Simulator
         run: |
+          # Swift 6.2.4 crashes while indexing C++ interop test targets.
           xcodebuild test \
             -workspace .swiftpm/xcode/package.xcworkspace \
             -scheme OpenAttributeGraph-Package \
@@ -57,7 +60,8 @@ jobs:
             -enableCodeCoverage=YES \
             -derivedDataPath .build-test-debug \
             -skipPackagePluginValidation \
-            -skipMacroValidation
+            -skipMacroValidation \
+            COMPILER_INDEX_STORE_ENABLE=NO
             # OTHER_SWIFT_FLAGS="-warnings-as-errors" Conflicting options '-warnings-as-errors' and '-suppress-warnings'
       - name: Generate iOS coverage report
         run: |

.github/workflows/macos.yml

@@ -13,7 +13,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [macos-15]
-        xcode-version: ["16.4"]   # Swift 6.1.2
+        xcode-version: ["26.3"]   # Swift 6.2.4
     runs-on: ${{ matrix.os }}
     env:
       OPENATTRIBUTEGRAPH_WERROR: 1
@@ -34,7 +34,9 @@ jobs:
         shell: bash
       - name: Build and run tests in debug mode with coverage
         run: |
+          # Swift 6.2.4 crashes while indexing C++ interop test targets.
           swift test \
+            --disable-index-store \
             -c debug \
             --enable-code-coverage \
             --build-path .build-test-debug
@@ -44,7 +46,9 @@ jobs:
             > coverage.txt
       - name: Build and run tests in release mode
         run: |
+          # Swift 6.2.4 crashes while indexing C++ interop test targets.
           swift test \
+            --disable-index-store \
             -c release \
             --enable-code-coverage \
             --build-path .build-test-release

.github/workflows/oag_binary.yml

@@ -13,7 +13,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [macos-15]
-        xcode-version: ["16.4"]
+        xcode-version: ["26.3"]
     runs-on: ${{ matrix.os }}
     env:
       OPENATTRIBUTEGRAPH_WERROR: 1

.github/workflows/release.yml

@@ -21,7 +21,7 @@ jobs:
       - name: Setup Xcode
         uses: OpenSwiftUIProject/setup-xcode@v2
         with:
-          xcode-version: "16.4"
+          xcode-version: "26.3"
       - name: Build XCFramework
         run: ./Scripts/build_xcframework.sh
       - name: Compute Checksum

.github/workflows/ubuntu.yml

@@ -12,7 +12,9 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        swift_version: ["6.1.3"]
+        # Swift 6.2.4 crashes swift-frontend when compiling C++ interop tests on Linux.
+        # Swift 6.3.2 has been verified locally on Linux.
+        swift_version: ["6.3.2"]
     runs-on: ubuntu-22.04
     env:
       OPENATTRIBUTEGRAPH_WERROR: 1

.github/workflows/xcframework.yml

@@ -13,7 +13,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [macos-15]
-        xcode-version: ["16.4"]   # Swift 6.1.2
+        xcode-version: ["26.3"]   # Swift 6.2.4
     runs-on: ${{ matrix.os }}
     env:
       GH_TOKEN: ${{ github.token }}

.gitmodules

@@ -1,4 +1,4 @@
 [submodule "Checkouts/swift"]
 	path = Checkouts/swift
 	url = https://github.com/OpenSwiftUIProject/swift-runtime-headers.git
-	branch = release/6.1
+	branch = release/6.2

.swiftformat

@@ -1,7 +1,7 @@
 # OpenAttributeGraph SwiftFormat configuration
 
 # Swift version
---swiftversion 6.1
+--swiftversion 6.2
 
 # Indentation
 --indent 4

Example/Project.swift

@@ -1,7 +1,13 @@
 import ProjectDescription
 
+let indexStoreDisabledSettings: SettingsDictionary = [
+    // Swift 6.2.4 crashes while indexing C++ interop package targets.
+    "COMPILER_INDEX_STORE_ENABLE": "NO",
+]
+
 let project = Project(
     name: "Example",
+    settings: .settings(base: indexStoreDisabledSettings),
     targets: [
         .target(
             name: "Example",
@@ -13,7 +19,8 @@ let project = Project(
             dependencies: [
                 .sdk(name: "c++", type: .library),
                 .external(name: "OpenAttributeGraph"),
-            ]
+            ],
+            settings: .settings(base: indexStoreDisabledSettings)
         ),
     ]
 )

Example/Tuist/Package.swift

@@ -1,10 +1,24 @@
-// swift-tools-version: 6.1
+// swift-tools-version: 6.2
 
 import PackageDescription
 
+#if TUIST
+import ProjectDescription
+
+let indexStoreDisabledSettings: SettingsDictionary = [
+    // Swift 6.2.4 crashes while indexing C++ interop package targets.
+    "COMPILER_INDEX_STORE_ENABLE": "NO",
+]
+
+let packageSettings = PackageSettings(
+    baseSettings: .settings(base: indexStoreDisabledSettings)
+)
+#endif
+
 let package = Package(
     name: "ExampleDependencies",
     dependencies: [
         .package(path: "../../"),
+        .package(url: "https://github.com/apple/swift-numerics", from: "1.1.1"),
     ]
 )

Example/mise.toml

@@ -0,0 +1,2 @@
+[tools]
+tuist = "4.193.0"

Example/setup.sh

@@ -0,0 +1,11 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd -P)"
+
+cd "$SCRIPT_DIR"
+mise trust "$SCRIPT_DIR/mise.toml"
+mise install
+mise exec -- tuist install
+mise exec -- tuist generate --no-open

Package.swift

@@ -1,4 +1,4 @@
-// swift-tools-version: 6.1
+// swift-tools-version: 6.2
 
 import Foundation
 import PackageDescription
@@ -430,9 +430,9 @@ func setupDPFDependency() {
 if computeCondition {
     let computeBinary = envBoolValue("OPENATTRIBUTESHIMS_COMPUTE_USE_BINARY", default: false)
     if computeBinary {
-        let version = envStringValue("OPENATTRIBUTESHIMS_COMPUTE_BINARY_VERSION", default: "0.1.0")
+        let version = envStringValue("OPENATTRIBUTESHIMS_COMPUTE_BINARY_VERSION", default: "0.2.1")
         let url = envStringValue("OPENATTRIBUTESHIMS_COMPUTE_BINARY_URL", default: "https://github.com/jcmosc/Compute/releases/download/\(version)/Compute.xcframework.zip")
-        let checksum = envStringValue("OPENATTRIBUTESHIMS_COMPUTE_USE_BINARY_CHECKSUM", default: "e32dd27fa4df4928be69d4171bcb3d47192bebb467f70bfd728cca56d44682d6")
+        let checksum = envStringValue("OPENATTRIBUTESHIMS_COMPUTE_USE_BINARY_CHECKSUM", default: "44eb3f08b9da4e7e308bfb2654b36e6752547e8ba5ec33e19e0648c686990153")
         package.targets.append(
             .binaryTarget(
                 name: "Compute",
@@ -445,7 +445,7 @@ if computeCondition {
         if useLocalDeps {
             computeRepo = Package.Dependency.package(path: "../Compute")
         } else {
-            computeRepo = Package.Dependency.package(url: "https://github.com/jcmosc/Compute", exact: "0.1.0")
+            computeRepo = Package.Dependency.package(url: "https://github.com/jcmosc/Compute", exact: "0.2.1")
         }
         package.dependencies.append(computeRepo)
     }

README.md

@@ -60,7 +60,7 @@ For a simpler setup, you can use the prebuilt XCFramework available on the [rele
 
 ## Build
 
-The current suggested toolchain to build the project is Swift 6.1.2 / Xcode 16.4.
+The current suggested toolchain to build the project is Swift 6.2.4 / Xcode 26.3.
 
 ### Clone Swift headers
 

Scripts/CI/ag_setup.sh

@@ -6,10 +6,14 @@ filepath() {
 }
 
 REPO_ROOT="$(dirname $(dirname $(dirname $(filepath $0))))"
+DARWINPRIVATEFRAMEWORKS_FALLBACK_REVISION="b0c3d94ff6b7200754ad2adf948fd3c6ebaef956"
 
 clone_checkout_ag() {
   cd $REPO_ROOT
-  revision=$(Scripts/CI/get_revision.sh darwinprivateframeworks)
+  if ! revision=$(Scripts/CI/get_revision.sh darwinprivateframeworks 2>/dev/null); then
+    revision="$DARWINPRIVATEFRAMEWORKS_FALLBACK_REVISION"
+    echo "No pinned revision for DarwinPrivateFrameworks, using fallback revision: $revision"
+  fi
   cd ..
   if [ ! -d DarwinPrivateFrameworks ]; then
     gh repo clone OpenSwiftUIProject/DarwinPrivateFrameworks
@@ -23,8 +27,6 @@ clone_checkout_ag() {
   fi
   if [ -n "$revision" ]; then
     git checkout --quiet "$revision"
-  else
-    echo "No pinned revision for DarwinPrivateFrameworks, using default branch."
   fi
 }
 

Tests/OpenAttributeGraphTestsSupport/DataHelper.swift

@@ -12,6 +12,8 @@ public struct Tuple<A, B> {
     }
 }
 
+extension Tuple: Sendable where A: Sendable, B: Sendable {}
+
 public struct Triple<A, B, C> {
     public var first: A
     public var second: B
@@ -23,3 +25,5 @@ public struct Triple<A, B, C> {
         self.third = third
     }
 }
+
+extension Triple: Sendable where A: Sendable, B: Sendable, C: Sendable {}

Tuist/Package.swift

@@ -1,4 +1,4 @@
-// swift-tools-version: 6.1
+// swift-tools-version: 6.2
 import PackageDescription
 
 #if TUIST