Is a gem ready for Rails 4 or 5?

Rails 4: 583 ready, 38 not ready, and 435 unknown
Rails 5: 95 ready, 10 not ready, and 951 unknown
Name Status Rails 4 Notes Rails 4 Status Rails 5 Notes Rails 5 Status or notes updated
suspenders ready

-

ready

from version 1.41

over 2 years ago
paperclip ready

since gem version 3.5.1

ready

since version 5

over 2 years ago
clearance ready

from version 1.0.0.rc7 (source)

ready

from version 1.13

over 2 years ago
godmin ready

ok

not ready

https://github.com/varvet/godmin/issues/193

over 2 years ago
user_notif ready

It works

ready

It works

over 2 years ago
devise ready

from gem version 3.0.0

ready

since gem version 4.0.0.

over 2 years ago
refile ready

Works perfectly

not ready

Not compatible with Rack 2

almost 3 years ago
query_optimizer ready

Minimize query for fetching table row

ready

Minimize query for fetching table row

almost 3 years ago
dynamic_form not ready

See Leslie's comment below

not ready

See Leslie's comment below

almost 3 years ago
mail_safe ready

Tested with Travis using Ruby 1.9, 2.0 and 2.1 against actionmailer 3.2, 4.0 and 4.1.

unknown almost 3 years ago
dummy_data unknown unknown almost 3 years ago
rubyfb unknown unknown almost 3 years ago
rails-units unknown unknown almost 3 years ago
client_side_validations-simple_form ready

It works using the master branch (https://github.com/DavyJonesLocker/client_side_validations-simple_form/issues/42#issuecomment-130044145)

unknown about 3 years ago
rubocop ready

Does not depends on Rails

unknown about 3 years ago
twitter-bootstrap-markup-rails not ready

Error msg while upgrading: twitter-bootstrap-markup-rails (= 0.3.2.2) ruby depends on railties (~> 3.0) ruby

rails (= 4.0.0) ruby depends on railties (= 4.0.0) ruby

unknown over 3 years ago
ransack ready unknown over 3 years ago
mailboxer ready

Is it ready for rails 4 ?

unknown over 3 years ago
airbrake ready

since gem version 3.1.12, source

unknown over 3 years ago
enumerated_attribute not ready

https://github.com/jeffp/enumerated_attribute/pull/68

unknown over 3 years ago