Is a gem ready for Rails 4 or 5?

Rails 4: 574 ready, 37 not ready, and 436 unknown
Rails 5: 76 ready, 8 not ready, and 963 unknown

Gems unknown for Rails 5

Name Status Rails 4 Notes Rails 4 Status Rails 5 Notes Rails 5 Status or notes updated
a2ws unknown unknown about 4 years ago
aasm ready unknown about 4 years ago
abyss-navigation-rails unknown unknown about 4 years ago
accept_values_for ready

Travis CI matrix runs green for Rails 4. Changes added here - https://github.com/bogdan/accept_values_for/commit/6a674e87c3c413d2355109867ca22a6820060038

unknown about 4 years ago
acl9 ready

Tried it in my project and still works

unknown almost 4 years ago
actionpack-action_caching ready unknown about 4 years ago
actionpack-page_caching ready unknown about 4 years ago
actionview-encoded_mail_to ready unknown about 4 years ago
actionwebservice unknown unknown about 4 years ago
active_attr ready unknown about 4 years ago
active_decorator ready

just works

unknown over 3 years ago
active_enum ready

Dependencies in the gemspec restrict activesupport to version 3.x

Rails 4 compatible PR can be found here - I just submitted a PR to address the open issues with Rails 4 - https://github.com/adzap/active_enum/pull/31

unknown about 4 years ago
active_hash ready

Running green on Rails 4 - https://travis-ci.org/zilkey/active_hash

unknown about 4 years ago
activeldap ready

since version 4.0.0

unknown about 4 years ago
active_link_to ready

Works for me!

unknown over 3 years ago
activemerchant ready

pull request for Rails 4 compatibility

unknown about 4 years ago
active_metadata unknown unknown about 4 years ago
active_model_serializers unknown unknown about 4 years ago
active_model_serializers-ct unknown unknown about 4 years ago
active_monitor unknown unknown about 4 years ago