Revert "CI: macOS: Build on macOS 14 rather than macOS 13"

This reverts commit 063a10d.

This is too big of a change to put in a minor release.

Author: davidfstr

.github/workflows/ci.yaml

@@ -22,10 +22,10 @@ on:
         description: 'Build architecture for macOS'
         required: false
         # NOTE: It is faster to build a single architecture only
-        default: 'arm64'
+        default: 'x86_64'
         type: choice
         options:
-          - 'arm64'
+          - 'x86_64'
           # NOTE: Required for building the distribution artifact
           - 'universal2'
       run_asan_tests:
@@ -336,8 +336,8 @@ jobs:
         os:
           # NOTE: Earliest macOS supported by Crystal is macOS 13 (from the README)
           #- macos-12   # no longer supported by GitHub Actions after 12/3/2024
-          #- macos-13   # last macOS runner to run on Intel rather than arm64; no longer supported by GitHub Actions after 12/4/2025
-          - macos-14  # ARM-based
+          - macos-13  # last macOS runner to run on Intel rather than arm64
+          #- macos-14  # ARM-based; forces earlier incompatible Python version
           #- macos-15  # ARM-based
         # Test the earliest supported Python version only
         python-version:
@@ -384,7 +384,7 @@ jobs:
           # Install the "crystal" script entry point
           poetry install --only-root
 
-      - name: Install dependencies and Crystal (native architecture)
+      - name: Install dependencies and Crystal (x86_64 architecture)
         if: ${{ github.event_name != 'workflow_dispatch' || !(github.event.inputs.build_dist_artifact == 'true' || github.event.inputs.build_arch_macos == 'universal2') }}
         # If build takes a very long time, then it's likely that the version
         # of wxPython installed does not offer a precompiled wheel for this
@@ -555,7 +555,7 @@ jobs:
         if: ${{ github.event_name == 'workflow_dispatch' && 
                 github.event.inputs.build_dist_artifact == 'true' && 
                 matrix.python-version == '3.11.9' && 
-                matrix.os == 'macos-14' }}
+                matrix.os == 'macos-13' }}
         uses: actions/upload-artifact@v4
         with:
           name: dist-mac

README.md

@@ -22,7 +22,7 @@ Download ⬇︎
 
 Either install a binary version of Crystal:
 
-* [macOS 14 and later](https://github.com/davidfstr/Crystal-Web-Archiver/releases/download/v2.0.1/crystal-mac-2.0.1.dmg)
+* [macOS 13 and later](https://github.com/davidfstr/Crystal-Web-Archiver/releases/download/v2.0.1/crystal-mac-2.0.1.dmg)
 * [Windows 11 and later](https://github.com/davidfstr/Crystal-Web-Archiver/releases/download/v2.0.1/crystal-win-2.0.1.exe)
 
 Or install from source, using pipx:

RELEASE_NOTES.md

@@ -15,10 +15,6 @@ Release Notes ⋮
 * Workflow improvements
     * When reopening a project, restore download tasks correctly.
 
-* Support changes **(Breaking Change)**
-    * macOS 14+ is now the minimum macOS version.
-      Drop support for macOS 13.
-
 * Testing improvements
     * Increased determinism and speed of tests that perform downloads.