Drop support for all super-old Ruby/Rails

.github/workflows/test.yml

@@ -8,9 +8,6 @@ jobs:
       fail-fast: false
       matrix:
         ruby:
-          - 2.4
-          - 2.5
-          - 2.6
           - 2.7
           - 3.0
           - 3.1
@@ -22,22 +19,6 @@ jobs:
           - 7.0.1
           - 7.1.2
         exclude: # These Rails versions are too new for the respective Ruby versions, or vice-versa
-          - ruby: 2.4
-            rails: 6.0.0
-          - ruby: 2.4
-            rails: 6.1.0
-          - ruby: 2.4
-            rails: 7.0.1
-          - ruby: 2.4
-            rails: 7.1.2
-          - ruby: 2.5
-            rails: 7.0.1
-          - ruby: 2.5
-            rails: 7.1.2
-          - ruby: 2.6
-            rails: 7.0.1
-          - ruby: 2.6
-            rails: 7.1.2
           - ruby: 3.0
             rails: 6.0.0
           - ruby: 3.1

CHANGELOG.md

@@ -6,7 +6,7 @@ Please follow the format in [Keep a Changelog](http://keepachangelog.com/)
 
 ## [Unreleased]
 
-- Remove support for Rails 5
+- Drop support for older than the latest EOL Ruby (2.7) and Rails (6.0)
 
 ## [6.6.0] - 2024-01-02
 

departure.gemspec

@@ -23,7 +23,7 @@ Gem::Specification.new do |spec|
   spec.files         = `git ls-files -z`.split("\x0").reject { |f| f.match(%r{^(test|spec|features)/}) }
   spec.require_paths = ['lib']
 
-  spec.required_ruby_version = '>= 2.5.0'
+  spec.required_ruby_version = '>= 2.7.0'
 
   spec.add_runtime_dependency 'railties', *Array(RAILS_DEPENDENCY_VERSION)
   spec.add_runtime_dependency 'activerecord', *Array(RAILS_DEPENDENCY_VERSION)