From 80b68e7003f4e6034ddffde4cbc8bc51c9e1b6f4 Mon Sep 17 00:00:00 2001
From: Geremia Taglialatela <tagliala.dev@gmail.com>
Date: Tue, 8 Sep 2026 14:00:59 +0200
Subject: [PATCH] Allow JSON 3 on newer Rubies

Remove the global JSON 2 constraint now that multi_json 1.21.2
supports JSON 3. Keep the constraint in Rails 7 appraisals because
those still test Ruby 3.0 and 3.1, while multi_json 1.21.2 requires
Ruby 3.2.
---
 Appraisals                  | 5 +++++
 Gemfile                     | 1 -
 gemfiles/rails_7.0.gemfile  | 2 +-
 gemfiles/rails_7.1.gemfile  | 2 +-
 gemfiles/rails_7.2.gemfile  | 2 +-
 gemfiles/rails_8.0.gemfile  | 1 -
 gemfiles/rails_8.1.gemfile  | 1 -
 gemfiles/rails_edge.gemfile | 1 -
 8 files changed, 8 insertions(+), 7 deletions(-)

diff --git a/Appraisals b/Appraisals
index f87d5654..15fcc15b 100644
--- a/Appraisals
+++ b/Appraisals
@@ -4,14 +4,19 @@ appraise 'rails-7.0' do
   gem 'rails', '~> 7.0.0'
 
   gem 'concurrent-ruby', '1.3.4' # Ref: rails/rails#54260
+  gem 'json', '< 3' # multi_json 1.21+ requires Ruby >= 3.2
 end
 
 appraise 'rails-7.1' do
   gem 'rails', '~> 7.1.0'
+
+  gem 'json', '< 3' # multi_json 1.21+ requires Ruby >= 3.2
 end
 
 appraise 'rails-7.2' do
   gem 'rails', '~> 7.2.0'
+
+  gem 'json', '< 3' # multi_json 1.21+ requires Ruby >= 3.2
 end
 
 appraise 'rails-8.0' do
diff --git a/Gemfile b/Gemfile
index 8489a28f..2900db5b 100644
--- a/Gemfile
+++ b/Gemfile
@@ -7,7 +7,6 @@ gem 'aruba'
 gem 'bundler'
 gem 'byebug'
 gem 'hirb'
-gem 'json', '< 3' # TODO: Remove when a multi_json-compatible version is released.
 gem 'pry'
 gem 'rails'
 gem 'rake'
diff --git a/gemfiles/rails_7.0.gemfile b/gemfiles/rails_7.0.gemfile
index 26eb64e4..8ccaf098 100644
--- a/gemfiles/rails_7.0.gemfile
+++ b/gemfiles/rails_7.0.gemfile
@@ -7,7 +7,6 @@ gem "aruba"
 gem "bundler"
 gem "byebug"
 gem "hirb"
-gem "json", "< 3"
 gem "pry"
 gem "rails", "~> 7.0.0"
 gem "rake"
@@ -20,5 +19,6 @@ gem "rubocop-rails", :require => false
 gem "rubocop-rake", :require => false
 gem "rubocop-rspec", :require => false
 gem "concurrent-ruby", "1.3.4"
+gem "json", "< 3"
 
 gemspec :path => "../"
diff --git a/gemfiles/rails_7.1.gemfile b/gemfiles/rails_7.1.gemfile
index 955ec76b..346cb8ef 100644
--- a/gemfiles/rails_7.1.gemfile
+++ b/gemfiles/rails_7.1.gemfile
@@ -7,7 +7,6 @@ gem "aruba"
 gem "bundler"
 gem "byebug"
 gem "hirb"
-gem "json", "< 3"
 gem "pry"
 gem "rails", "~> 7.1.0"
 gem "rake"
@@ -19,5 +18,6 @@ gem "rubocop-performance", :require => false
 gem "rubocop-rails", :require => false
 gem "rubocop-rake", :require => false
 gem "rubocop-rspec", :require => false
+gem "json", "< 3"
 
 gemspec :path => "../"
diff --git a/gemfiles/rails_7.2.gemfile b/gemfiles/rails_7.2.gemfile
index 56b5f1f5..763081d8 100644
--- a/gemfiles/rails_7.2.gemfile
+++ b/gemfiles/rails_7.2.gemfile
@@ -7,7 +7,6 @@ gem "aruba"
 gem "bundler"
 gem "byebug"
 gem "hirb"
-gem "json", "< 3"
 gem "pry"
 gem "rails", "~> 7.2.0"
 gem "rake"
@@ -19,5 +18,6 @@ gem "rubocop-performance", :require => false
 gem "rubocop-rails", :require => false
 gem "rubocop-rake", :require => false
 gem "rubocop-rspec", :require => false
+gem "json", "< 3"
 
 gemspec :path => "../"
diff --git a/gemfiles/rails_8.0.gemfile b/gemfiles/rails_8.0.gemfile
index 4509eb2b..7ceccb98 100644
--- a/gemfiles/rails_8.0.gemfile
+++ b/gemfiles/rails_8.0.gemfile
@@ -7,7 +7,6 @@ gem "aruba"
 gem "bundler"
 gem "byebug"
 gem "hirb"
-gem "json", "< 3"
 gem "pry"
 gem "rails", "~> 8.0.0"
 gem "rake"
diff --git a/gemfiles/rails_8.1.gemfile b/gemfiles/rails_8.1.gemfile
index ed375a54..dd42fbf1 100644
--- a/gemfiles/rails_8.1.gemfile
+++ b/gemfiles/rails_8.1.gemfile
@@ -7,7 +7,6 @@ gem "aruba"
 gem "bundler"
 gem "byebug"
 gem "hirb"
-gem "json", "< 3"
 gem "pry"
 gem "rails", "~> 8.1.0"
 gem "rake"
diff --git a/gemfiles/rails_edge.gemfile b/gemfiles/rails_edge.gemfile
index 4488cbfb..beeaf0b6 100644
--- a/gemfiles/rails_edge.gemfile
+++ b/gemfiles/rails_edge.gemfile
@@ -7,7 +7,6 @@ gem "aruba"
 gem "bundler"
 gem "byebug"
 gem "hirb"
-gem "json", "< 3"
 gem "pry"
 gem "rails", :git => "https://github.com/rails/rails.git", :branch => "main"
 gem "rake"