Merge pull request #3034 from ruby/claude/ci-ruby-version-check-4v4bw0

Update outdated versions used in CI

Author: soutaro

.github/workflows/c-check.yml

@@ -27,8 +27,13 @@ jobs:
           sudo apt-get install -y libdb-dev curl autoconf automake m4 libtool
       - name: Install clang-format from LLVM
         run: |
-          wget -O - https://apt.llvm.org/llvm-snapshot.gpg.key | sudo apt-key add -
-          sudo apt-add-repository "deb http://apt.llvm.org/jammy/ llvm-toolchain-jammy-20 main"
+          # The codename must match the `runs-on` image: `ubuntu-latest` is 24.04 (noble).
+          wget -O - https://apt.llvm.org/llvm-snapshot.gpg.key \
+            | sudo gpg --dearmor -o /usr/share/keyrings/llvm-archive-keyring.gpg
+          # Written directly rather than through `apt-add-repository`, which cannot
+          # parse `[signed-by=...]` inside a one-line `deb` shortcut.
+          echo "deb [signed-by=/usr/share/keyrings/llvm-archive-keyring.gpg] http://apt.llvm.org/noble/ llvm-toolchain-noble-20 main" \
+            | sudo tee /etc/apt/sources.list.d/llvm.list
           sudo apt-get update
           sudo apt-get install -y clang-format-20
           sudo ln -sf /usr/bin/clang-format-20 /usr/local/bin/clang-format
@@ -38,9 +43,9 @@ jobs:
       - name: Install Re2c
         run: |
           cd /tmp
-          curl -L https://github.com/skvadrik/re2c/archive/refs/tags/4.3.tar.gz > re2c-4.3.tar.gz
-          tar xf re2c-4.3.tar.gz
-          cd re2c-4.3
+          curl -L https://github.com/skvadrik/re2c/archive/refs/tags/4.5.1.tar.gz > re2c-4.5.1.tar.gz
+          tar xf re2c-4.5.1.tar.gz
+          cd re2c-4.5.1
           cmake --preset=linux-gcc-release-ootree-skeleton-fast
           cmake --build --preset=linux-gcc-release-ootree-skeleton-fast --parallel="$(nproc)"
           sudo ln -sf "$(pwd)"/.build/linux-gcc-release-ootree-skeleton-fast/re2c /usr/local/bin/re2c

.github/workflows/ruby.yml

@@ -16,7 +16,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby: ['3.2', '3.3', '3.4', '4.0', head]
+        ruby: ['3.3', '3.4', '4.0', head]
         rubyopt: [""]
         job:
           - test

.github/workflows/typecheck.yml

@@ -19,7 +19,7 @@ jobs:
       - uses: actions/checkout@v7
       - uses: ruby/setup-ruby@v1
         with:
-          ruby-version: "3.4"
+          ruby-version: "4.0"
           bundler: none
       - name: Set working directory as safe
         run: git config --global --add safe.directory $(pwd)

.github/workflows/wasm.yml

@@ -21,7 +21,7 @@ env:
   # Pinned so the smoke test is reproducible. Bump together when upgrading.
   WASI_SDK_VERSION: "33"
   WASI_SDK_RELEASE: "33.0"
-  WASMTIME_VERSION: "v45.0.2"
+  WASMTIME_VERSION: "v47.0.2"
 
 jobs:
   build:

.github/workflows/windows.yml

@@ -16,7 +16,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby: ['3.4', ucrt, mswin]
+        ruby: ['4.0', ucrt, mswin]
     steps:
       - uses: actions/checkout@v7
       - name: load ruby

Dockerfile.jruby

@@ -15,7 +15,7 @@
 # C extensions (bigdecimal, stackprof, ...) that cannot build on JRuby. The few
 # gems the suite needs are installed directly, exactly as the CI does.
 
-FROM jruby:10.0.6-jdk21
+FROM jruby:10.1.1.0-jdk21
 
 # Keep in sync with .github/workflows/wasm.yml and .github/workflows/jruby.yml.
 ARG WASI_SDK_VERSION=33

docs/CONTRIBUTING.md

@@ -13,7 +13,7 @@ The RBS repository contains the type definitions of Core API and Standard Librar
 There are some discussions whether if it is the best to have them in this repository, but we have them and continue updating the files meanwhile.
 
 The target version of the bundled type definitions is the [latest _release_ of Ruby](https://www.ruby-lang.org/en/downloads/branches/) -- `4.0` as of 2026.
-Note, however, that the CI currently retains the tests on Ruby 3.2 as well.
+Note, however, that the CI runs the tests on every non-EOL Ruby -- `3.3` and later as of 2026.
 
 **The core API** type definitions are in `core` directory.
 You will find the familiar class names in the directory, like `string.rbs` or `array.rbs`.

src/lexer.c

@@ -1,4 +1,4 @@
-/* Generated by re2c 4.3 */
+/* Generated by re2c 4.5.1 */
 #line 1 "src/lexer.re"
 #include "rbs/lexer.h"