Remove support for ubuntu-20.04

* It's gone: https://github.com/actions/runner-images/issues/11101

.github/workflows/test.yml

@@ -17,7 +17,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ ubuntu-20.04, ubuntu-22.04, ubuntu-24.04, ubuntu-22.04-arm, ubuntu-24.04-arm, macos-13, macos-14, macos-15, windows-2019, windows-2022, windows-2025 ]
+        os: [ ubuntu-22.04, ubuntu-24.04, ubuntu-22.04-arm, ubuntu-24.04-arm, macos-13, macos-14, macos-15, windows-2019, windows-2022, windows-2025 ]
         ruby: [
           '1.9', '2.0', '2.1', '2.2', '2.3', '2.4', '2.5', '2.6', '2.7', '3.0', '3.1', '3.2', '3.3', '3.4', ruby-head,
           jruby, jruby-head,
@@ -286,12 +286,12 @@ jobs:
 
   testFixedBundlerVersionForOldRuby:
     name: "Test bundler: 1.x for old Ruby"
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     steps:
       - uses: actions/checkout@v4
       - uses: ./
         with:
-          ruby-version: '2.2'
+          ruby-version: '2.3'
           bundler: 1.16.6
       - run: bundle --version | grep -F "1.16.6" # And not 1.17.x from ~> 1
 
@@ -369,7 +369,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        gemfile: [ rails5, rails6 ]
+        gemfile: [ rails7, rails8 ]
     name: "Test with ${{ matrix.gemfile }} gemfile"
     runs-on: ubuntu-latest
     env:
@@ -378,11 +378,9 @@ jobs:
       - uses: actions/checkout@v4
       - uses: ./
         with:
-          ruby-version: '2.6'
+          ruby-version: '3.2'
           bundler-cache: true
       - run: bundle exec rails --version
-        env:
-          RUBYOPT: '-rlogger' # Rails 6 is missing a require 'logger' in active_support/logger_thread_safe_level.rb
 
   testTruffleRubyNokogiri:
     name: "Test installing a Gemfile with nokogiri on TruffleRuby"
@@ -411,7 +409,7 @@ jobs:
         run: ruby -e "abort if File.exist?('C:/msys64/mingw64/bin/gcc.exe')"
 
   lint:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     steps:
     - uses: actions/checkout@v4
     - run: yarn install

README.md

@@ -15,8 +15,8 @@ This action currently supports these versions of MRI, JRuby and TruffleRuby:
 
 | Interpreter | Versions |
 | ----------- | -------- |
-| `ruby` | 1.9.3, 2.0.0, 2.1.9, 2.2, all versions from 2.3.0 until 3.4.2, head, debug, mingw, mswin, ucrt |
-| `jruby` | 9.1.17.0 - 9.4.12.0, head |
+| `ruby` | 1.9.3, 2.0.0, 2.1.9, 2.2, all versions from 2.3.0 until 3.5.0-preview1, head, debug, mingw, mswin, ucrt |
+| `jruby` | 9.1.17.0 - 10.0.0.0, head |
 | `truffleruby` | 19.3.0 - 24.2.0, head |
 | `truffleruby+graalvm` | 21.2.0 - 24.2.0, head |
 
@@ -49,19 +49,21 @@ The action works on these [GitHub-hosted runners](https://docs.github.com/en/act
 
 | Operating System | Supported |
 | ---------------- | --------- |
-| Ubuntu  | `ubuntu-20.04`, `ubuntu-22.04`, `ubuntu-24.04`, `ubuntu-22.04-arm`, `ubuntu-24.04-arm` |
+| Ubuntu  | `ubuntu-22.04`, `ubuntu-24.04`, `ubuntu-22.04-arm`, `ubuntu-24.04-arm` |
 | macOS   | `macos-13` and newer versions |
 | Windows | `windows-2019`, `windows-2022` |
 
+Not all combinations of runner images and versions are supported.
+The list of available Ruby versions can be seen in [ruby-builder-versions.json](ruby-builder-versions.json) for Ubuntu and macOS
+(although some combinations are not available, see [the full list](https://github.com/ruby/ruby-builder/releases/tag/toolcache))
+and in [windows-versions.json](windows-versions.json) for Windows.
+
 The prebuilt releases are generated by [ruby-builder](https://github.com/ruby/ruby-builder)
 and on Windows by [RubyInstaller2](https://github.com/oneclick/rubyinstaller2).
 The `mingw`, `ucrt` and `mswin` builds are generated by [ruby-loco](https://github.com/MSP-Greg/ruby-loco).
 `ruby-head` is generated by [ruby-dev-builder](https://github.com/ruby/ruby-dev-builder),
 `jruby-head` is generated by [jruby-dev-builder](https://github.com/ruby/jruby-dev-builder),
 `truffleruby-head` and `truffleruby+graalvm-head` are generated by [truffleruby-dev-builder](https://github.com/ruby/truffleruby-dev-builder).
-The full list of available Ruby versions can be seen in [ruby-builder-versions.json](ruby-builder-versions.json) for Ubuntu and macOS
-(although some combinations are not available, see [the full list](https://github.com/ruby/ruby-builder/releases/tag/toolcache))
-and in [windows-versions.json](windows-versions.json) for Windows.
 
 ## Usage
 

common.js

@@ -171,7 +171,6 @@ export async function hashFile(file) {
 
 // macos is not listed explicitly, see below
 const GitHubHostedPlatforms = [
-  'ubuntu-20.04-x64',
   'ubuntu-22.04-x64',
   'ubuntu-22.04-arm64',
   'ubuntu-24.04-x64',

gemfiles/rails7.gemfile

@@ -1,3 +1,3 @@
 source "https://rubygems.org"
 
-gem "rails", "~> 5.2.0"
+gem "rails", "~> 7.2.0"

gemfiles/rails8.gemfile

@@ -1,3 +1,3 @@
 source "https://rubygems.org"
 
-gem "rails", "~> 6.0.0"
+gem "rails", "~> 8.0.0"

ruby-builder-versions.json

@@ -13,7 +13,8 @@
     "3.1.0-preview1", "3.1.0", "3.1.1", "3.1.2", "3.1.3", "3.1.4", "3.1.5", "3.1.6", "3.1.7",
     "3.2.0-preview1", "3.2.0-preview2", "3.2.0-preview3", "3.2.0-rc1", "3.2.0", "3.2.1", "3.2.2", "3.2.3", "3.2.4", "3.2.5", "3.2.6", "3.2.7", "3.2.8",
     "3.3.0-preview1", "3.3.0-preview2", "3.3.0-preview3", "3.3.0-rc1", "3.3.0", "3.3.1", "3.3.2", "3.3.3", "3.3.4", "3.3.5", "3.3.6", "3.3.7", "3.3.8",
-    "3.4.0-preview1", "3.4.0-preview2", "3.4.0-rc1", "3.4.0", "3.4.1", "3.4.2",
+    "3.4.0-preview1", "3.4.0-preview2", "3.4.0-rc1", "3.4.0", "3.4.1", "3.4.2", "3.4.3",
+    "3.5.0-preview1",
     "head", "debug", "asan", "3.4-asan"
   ],
   "jruby": [
@@ -21,6 +22,7 @@
     "9.2.9.0", "9.2.10.0", "9.2.11.0", "9.2.11.1", "9.2.12.0", "9.2.13.0", "9.2.14.0", "9.2.15.0", "9.2.16.0", "9.2.17.0", "9.2.18.0", "9.2.19.0", "9.2.20.0", "9.2.20.1", "9.2.21.0",
     "9.3.0.0", "9.3.1.0", "9.3.2.0", "9.3.3.0", "9.3.4.0", "9.3.6.0", "9.3.7.0", "9.3.8.0", "9.3.9.0", "9.3.10.0", "9.3.11.0", "9.3.13.0", "9.3.14.0", "9.3.15.0",
     "9.4.0.0", "9.4.1.0", "9.4.2.0", "9.4.3.0", "9.4.4.0", "9.4.5.0", "9.4.6.0", "9.4.7.0", "9.4.8.0", "9.4.9.0", "9.4.10.0", "9.4.11.0", "9.4.12.0",
+    "10.0.0.0",
     "head"
   ],
   "truffleruby": [

windows-versions.json

@@ -78,6 +78,7 @@
   "3.3.8": "https://github.com/oneclick/rubyinstaller2/releases/download/RubyInstaller-3.3.8-1/rubyinstaller-3.3.8-1-x64.7z",
   "3.4.1": "https://github.com/oneclick/rubyinstaller2/releases/download/RubyInstaller-3.4.1-2/rubyinstaller-3.4.1-2-x64.7z",
   "3.4.2": "https://github.com/oneclick/rubyinstaller2/releases/download/RubyInstaller-3.4.2-1/rubyinstaller-3.4.2-1-x64.7z",
+  "3.4.3": "https://github.com/oneclick/rubyinstaller2/releases/download/RubyInstaller-3.4.3-1/rubyinstaller-3.4.3-1-x64.7z",
   "head": "https://github.com/oneclick/rubyinstaller2/releases/download/rubyinstaller-head/rubyinstaller-head-x64.7z",
   "mingw": "https://github.com/MSP-Greg/ruby-loco/releases/download/ruby-master/ruby-mingw.7z",
   "mswin": "https://github.com/MSP-Greg/ruby-loco/releases/download/ruby-master/ruby-mswin.7z",