[tests] Drop testing against Rails 6.1 and official support

Rails 6.1 has been security EOL for 14 months now. It still functions, but likely requires some dependency hacks on JRuby 10 due to Ruby 3.4 stdlib.

Shouldn't be a need to maintain official support for the 1.3+ stream.

Author: chadlwilson

.github/workflows/maven.yml

@@ -59,7 +59,6 @@ jobs:
     strategy:
       matrix:
         appraisal: [
-          'rails61_rack22',
           'rails70_rack22',
           'rails71_rack22',
           'rails72_rack22',

Appraisals

@@ -3,7 +3,6 @@ version_spec = ->(prefix, desc) { "~> #{desc.split(prefix).last.insert(1, ".")}.
 # Rails version -> rack versions in format
 # rails#{MAJOR}#{MINOR} => %w[ rack#{MAJOR}#{MINOR} ]
 {
-    "rails61" => %w[rack22],
     "rails70" => %w[rack22],
     "rails71" => %w[rack22],
     "rails72" => %w[rack22],

CHANGELOG.md

@@ -5,7 +5,7 @@
 
 Breaking compatibility changes
 - Drop support for JRuby 9.3
-- Drop support for Rails < 6.1
+- Drop support for Rails < 7.0
 
 Breaking behavioral changes
 - Change context listener to throw by default in case of an exception during initialization

README.md

@@ -13,13 +13,13 @@ For more information on Rack, visit http://rack.github.io/.
 
 ## Compatibility
 
-| JRuby-Rack Series                                          | Status     | Rack      | JRuby      | Java | Rails     | Target Servlet API  | Notes                                      |
-|------------------------------------------------------------|------------|-----------|------------|------|-----------|---------------------|--------------------------------------------|
-| 2.0 (_planned_)                                            | Dev        | 2.2       | 9.4 → 10.0 | 8+   | 6.1 → 8.0 | 5.0+ (Jakarta EE 9) | Pre 5.0 servlet APIs non functional.       |
-| 1.3 (master, _unreleased_)                                 | Dev        | 2.2       | 9.4 → 10.0 | 8+   | 6.1 → 8.0 | 4.0 (Java EE 8)     | Servlet 2.5 → 3.1 likely to work fine.     |
-| [1.2](https://github.com/jruby/jruby-rack/tree/1.2-stable) | Maintained | 2.2       | 9.3 → 9.4  | 8+   | 5.0 → 7.2 | 3.0 (Java EE 6)     | Servlet 3.1 → 4.0 OK with some containers. |
-| [1.1](https://github.com/jruby/jruby-rack/tree/1.1-stable) | EOL        | 1.x → 2.2 | 1.6 → 9.4  | 6+   | 2.1 → 5.2 | 2.5 (Java EE 5)     | Servlet 3.0 → 4.0 OK with some containers. |
-| 1.0                                                        | EOL        | 0.9 → 1.x | 1.1 → 1.9  | 5+   | 2.1 → 3.x | 2.5 (Java EE 5)     |                                            |
+| JRuby-Rack Series                                              | Status        | Rack      | JRuby      | Java | Rails     | Target Servlet API  | Notes                                                          |
+|----------------------------------------------------------------|---------------|-----------|------------|------|-----------|---------------------|----------------------------------------------------------------|
+| **2.0 (_planned_, _unreleased_)**                              | Dev           | 2.2       | 9.4 → 10.0 | 8+   | 7.0 → 8.0 | 5.0+ (Jakarta EE 9) | ❌ Servlet < 5.0 containers will not work                       |
+| **1.3 (master, _unreleased_)**                                 | Dev           | 2.2       | 9.4 → 10.0 | 8+   | 7.0 → 8.0 | 4.0 (Java EE 8)     | ✅ _Unofficial_: Servlet 2.5 → 3.1 & Rails 6.1 likely working   |
+| [**1.2**](https://github.com/jruby/jruby-rack/tree/1.2-stable) | Maintained    | 2.2       | 9.3 → 9.4  | 8+   | 5.0 → 7.2 | 3.0 (Java EE 6)     | ✅ _Unofficial_: Servlet 3.1 → 4.0 also OK with most containers |
+| [**1.1**](https://github.com/jruby/jruby-rack/tree/1.1-stable) | EOL @ 2024-05 | 1.x → 2.2 | 1.6 → 9.4  | 6+   | 2.1 → 5.2 | 2.5 (Java EE 5)     | ✅ _Unofficial_: Servlet 3.0 → 4.0 also OK with most containers |
+| [**1.0**](https://github.com/jruby/jruby-rack/tree/1.0.10)     | EOL @ 2011-11 | 0.9 → 1.x | 1.1 → 1.9  | 5+   | 2.1 → 3.x | 2.5 (Java EE 5)     |                                                                |
 
 ## Getting Started
 

src/spec/ruby/jruby/rack/integration_spec.rb

@@ -203,10 +203,6 @@
     end
   end
 
-  describe 'rails 6.1', lib: :rails61 do
-    it_should_behave_like 'a rails app'
-  end
-
   describe 'rails 7.0', lib: :rails70 do
     it_should_behave_like 'a rails app'
   end