Please install and run your applications by updating your Gemfile as follows.
* Changes and bug fixes
* `references` column type should be :integer, not :bigint [#1831 #1832 #1835]
* CI against Ruby 2.6.1 [#1821 #1822]
* CI against JRuby 9.2.6.0 [#1824 #1828]
* CI against Ruby 2.6 and bump other Ruby versions [#1806 #1807]
* Install bundler and fallback to 1.7.3 if Bundler 2 is not available [#1811]
* Use i18n 1.2 for JRuby now [#1804 #1805]
* Add `allow_railures` for jruby-head until #1833 resolved [#1834 #1836]
For all changes and fixes please read the following document.