Is a gem ready for Rails 4 or 5?

Rails 4: 614 ready, 38 not ready, and 433 unknown
Rails 5: 158 ready, 12 not ready, and 915 unknown
Name Status Rails 4 Notes Rails 4 Status Rails 5 Notes Rails 5 Status or notes updated
acts_as_list ready

pull request for Rails 4 compatibility is closed

ready

from gem version 0.7.5

3 days ago
lograge unknown ready

5.0 from v0.4.0, 5.1 from v0.5.0, 5.2 from ? mentioned in commit messages though

27 days ago
nokogiri ready

Does not depend on Rails.

ready

does not depend on Rails

27 days ago
puma ready

-

ready

default server for Rails

27 days ago
pry-rails ready

-

ready

5.0 from v0.3.3, 5.1 from v0.3.7, 5.2 from v0.3.9, 6.0 (!) from v0.3.9

27 days ago
quiet_assets ready

-

not ready

See https://github.com/evrone/quiet_assets#deprecation

27 days ago
rack-attack ready

-

ready

5.1 from v5.1.0, 5.2 from v5.3.0

27 days ago
rails_12factor ready

-

ready

This gem isn't needed for New Rails 5 apps. There is doc in the README for migrating from a Rails 4 to 5 app: https://github.com/heroku/rails_12factor

27 days ago
ranked-model ready

Recent activity and rails4 branch merged in July 3rd. (https://github.com/mixonic/ranked-model)

ready

5.0, 5.1, 5.2 from v 0.4.2

27 days ago
react-rails ready

It works in our rails 4.1.6 app.

ready

5.2 from v2.4.5, 5.1 from v2.1.0, 5.0 from v1.7.1 (at least... bugfix for v 5.0 mentioned in changelog)

27 days ago
redis-namespace ready

Does not depend on Rails.

ready

does not depend on Rails

27 days ago
responders ready

since gem version 1.0.0.rc

ready

5.0 from v2.1.1, 5.1/5.2 from v2.4.0

27 days ago
rollout ready

Working with '~> 1.2'

ready

does not depend on Rails

27 days ago
roo ready

Does not depend on Rails

ready

does not depend on Rails

27 days ago
rubocop ready

Does not depends on Rails

ready

does not depend on Rails

27 days ago
scenic ready

-

ready

5.2 from master, 5.1 from v1.4.0, 5.0 from v1.1.0 (at least, could be earlier)

27 days ago
sdoc ready

does not depend on Rails

ready

does not depend on Rails

27 days ago
shoulda ready

per README for 4.2

ready

per README, at least for 5.0

27 days ago
sidekiq ready

source

ready

does not depend on Rails

27 days ago
sinatra ready

Does not depend on Rails.

ready

does not depend on Rails

27 days ago