- Tweak release notes in editor before submitting
- Create annotated git tag
- Publish GitHub release by default instead of draft
- Remove Homebrew publish steps - now handled by Actions

Add definition for Ruby 2.7.0-preview2

Ruby 2.7.0-preview2 has been released.
https://www.ruby-lang.org/en/news/2019/10/22/ruby-2-7-0-preview2-released/

Add example of mirrored URL.

Add definition for Ruby 2.4.9.

Look for Homebrew openssl@1.1

Add Ruby 2.5.7

Add Ruby 2.4.8

Add ruby 2.6.5

ruby-build formula depends on openssl@1.1, let’s look for that version

Add TruffleRuby 19.2.0.1

Add definition for Ruby 2.5.6 and 2.4.7

Add definition for Ruby 2.6.4

These Rubies has been released.

- https://www.ruby-lang.org/en/news/2019/08/28/ruby-2-5-6-released/
- https://www.ruby-lang.org/en/news/2019/08/28/ruby-2-4-7-released/

Ruby 2.6.4 has been released.
https://www.ruby-lang.org/en/news/2019/08/28/ruby-2-6-4-released/

Add TruffleRuby 19.2.0

Add definition for JRuby 9.2.8.0

Closes #1335.

JRuby 9.2.8.0 has been released.
https://www.jruby.org/2019/08/12/jruby-9-2-8-0.html

Add TruffleRuby 19.1.0

Use master branch of ruby.git for 2.7.0-dev

Typo: Using readline from homebrew