OCTO-367 remove usage of em-synchrony active record adapter

.github/workflows/build.yml

@@ -1,6 +1,6 @@
 ---
 name: FiberedMySQL2 Gem Build
-on: [push, pull_request]
+on: [push]
 jobs:
   test:
     name: Unit Tests
@@ -11,8 +11,8 @@ jobs:
         ruby: [3.1, 3.2, 3.3]
         gemfile:
         - Gemfile
-        - gemfiles/rails_6_1.gemfile
         - gemfiles/rails_7_0.gemfile
+        - gemfiles/rails_7_1.gemfile
     env:
       BUNDLE_GEMFILE: ${{ matrix.gemfile }}
     steps:

Appraisals

@@ -2,4 +2,4 @@
 
 require "appraisal/matrix"
 
-appraisal_matrix(rails: [">= 6.1", "< 7.1"])
+appraisal_matrix(rails: [">= 7.0", "< 7.2"])

CHANGELOG.md

@@ -4,6 +4,14 @@ Inspired by [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 Note: this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [0.4.0] - 2025-08-21
+### Added
+- Support for Rails 7.1.
+
+### Removed
+- Removed support for Rails 6.
+- Removed usage of EventMachine::Synchrony ActiveRecord Mysql adapter. This adapter code was extremely old and we were overriding their patches back to the current ActiveRecord version.
+
 ## [0.3.1] - 2024-10-30
 ### Fixed
 - Fixed bug in FiberedMysqlAdapter.new_client that was causing `uninitialized constant` errors.

Gemfile

@@ -7,10 +7,9 @@ gemspec
 
 gem 'appraisal'
 gem 'appraisal-matrix'
-gem 'coveralls', require: false
 gem 'mysql2',     '~> 0.5'
 gem 'nokogiri'
 gem 'pry'
 gem 'pry-byebug'
 gem 'rake'
-gem 'rspec'
+gem 'rspec', '< 3.13'