Drop support for Ruby v3.2.

Author: ioquatix

.github/workflows/test-coverage.yaml

@@ -16,9 +16,6 @@ jobs:
     strategy:
       matrix:
         include:
-          - os: ubuntu
-            ruby: "3.2"
-            io_event_selector: EPoll
           - os: ubuntu
             ruby: "3.3"
             io_event_selector: EPoll

.github/workflows/test-external.yaml

@@ -17,7 +17,6 @@ jobs:
           - macos
 
         ruby:
-          - "3.2"
           - "3.3"
           - "3.4"
           - "4.0"

.github/workflows/test.yaml

@@ -18,7 +18,6 @@ jobs:
           - macos
 
         ruby:
-          - "3.2"
           - "3.3"
           - "3.4"
           - "4.0"

async.gemspec

@@ -23,7 +23,7 @@ Gem::Specification.new do |spec|
 
 	spec.files = Dir.glob(["{context,lib}/**/*", "*.md"], File::FNM_DOTMATCH, base: __dir__)
 
-	spec.required_ruby_version = ">= 3.2"
+	spec.required_ruby_version = ">= 3.3"
 
 	spec.add_dependency "console", "~> 1.29"
 	spec.add_dependency "fiber-annotation"

fixtures/async/a_queue_with_timeout.rb

@@ -2,7 +2,7 @@
 
 # Released under the MIT License.
 # Copyright, 2025, by Shopify Inc.
-# Copyright, 2025, by Samuel Williams.
+# Copyright, 2025-2026, by Samuel Williams.
 
 require "sus/fixtures/async"
 

lib/async.rb

@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 # Released under the MIT License.
-# Copyright, 2017-2025, by Samuel Williams.
+# Copyright, 2017-2026, by Samuel Williams.
 # Copyright, 2020, by Salim Semaoune.
 
 require_relative "async/version"
@@ -11,7 +11,3 @@
 require_relative "kernel/async"
 require_relative "kernel/sync"
 require_relative "kernel/barrier"
-
-# Asynchronous programming framework.
-module Async
-end

lib/async/version.rb

@@ -3,6 +3,7 @@
 # Released under the MIT License.
 # Copyright, 2017-2026, by Samuel Williams.
 
+# @namespace
 module Async
 	VERSION = "2.37.0"
 end