Idea #14873
Updated by Tom Morris about 5 years ago
When Rails 6 is released in May 2019, Ralis 4.x will become unsupported, so we need to be supporting Rails 5 and associated dependencies in a stable release before then.
https://weblog.rubyonrails.org/2018/12/20/timeline-for-the-release-of-Rails-6-0/