From 2036ed2ebe2e9d4c77001d7523d7cde800c76ac8 Mon Sep 17 00:00:00 2001
From: Jeremy Evans <code@jeremyevans.net>
Date: Mon, 8 Dec 2025 07:28:17 -0800
Subject: [PATCH 1/2] Update guard from Ruby 3.5 -> 4

Ruby 4.0.0-preview2 was released, so the extra defined? checks
can be removed as well.
---
 lib/set.rb | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/lib/set.rb b/lib/set.rb
index 295750f..ad04b85 100644
--- a/lib/set.rb
+++ b/lib/set.rb
@@ -1,11 +1,6 @@
 # frozen_string_literal: true
 
-if RUBY_VERSION >= '3.5'
-  if defined?(Set) && defined?(Set.[]) && Set.method(:[]).source_location.nil?
-    # Remove defined? ... conditional after Ruby 3.5.0-preview2
-    return
-  end
-end
+return if RUBY_VERSION >= '4'
 
 # :markup: markdown
 #

From 87b9315be5f544e28e51723a5d02b2822ebe613d Mon Sep 17 00:00:00 2001
From: Jeremy Evans <code@jeremyevans.net>
Date: Mon, 8 Dec 2025 07:32:49 -0800
Subject: [PATCH 2/2] Hard code ruby versions to test on

Not sure if there is a better way to drop testing on ruby-head.
---
 .github/workflows/test.yml | 9 +--------
 1 file changed, 1 insertion(+), 8 deletions(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 9e55565..77b640e 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -3,18 +3,11 @@ name: test
 on: [push, pull_request]
 
 jobs:
-  ruby-versions:
-    uses: ruby/actions/.github/workflows/ruby_versions.yml@master
-    with:
-      engine: cruby
-      min_version: 3.0
-
   build:
-    needs: ruby-versions
     name: build (${{ matrix.ruby }} / ${{ matrix.os }})
     strategy:
       matrix:
-        ruby: ${{ fromJson(needs.ruby-versions.outputs.versions) }}
+        ruby: ["3.0", 3.1, 3.2, 3.3, 3.4]
         os: [ ubuntu-latest, macos-latest ]
     runs-on: ${{ matrix.os }}
     steps: