Is a gem ready for Rails 4 or 5?

Rails 4: 615 ready, 38 not ready, and 433 unknown
Rails 5: 163 ready, 11 not ready, and 912 unknown

Gems ready for Rails 5

Name Status Rails 4 Notes Rails 4 Status Rails 5 Notes Rails 5 Status or notes updated
lock ready

https://lockupgem.com

ready

https://lockupgem.com

over 2 years ago
lograge unknown ready

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

11 months ago
marco-polo ready

running in our 4.2 app for some time

ready

Not specified... Has rails dependencies, but just uses ENV vars for app name. Probably ok.

11 months ago
massa ready

It doesn't depend on Rails

ready

It doesn't depend on Rails

over 2 years ago
meta-tags ready

Using gem 'meta-tags', '1.5.0', require: 'meta_tags' (source)

ready

tested up to 5.1 (from https://github.com/kpumuk/meta-tags#ruby-on-rails)

over 1 year ago
migration-lock-timeout ready

running on our Rails 4.2 app for some time

ready

Rails 5 ready as at v1.1.0

11 months ago
minitest-rails ready

yes

ready

from 3.0.0 https://github.com/blowmage/minitest-rails/blob/master/CHANGELOG.rdoc#300--2016-07-01

about 3 years ago
money-rails ready

Tested in rails upto 4.2.6

ready

from version 1.7.0

about 3 years ago
mongoid not ready

Version 4 will support Rails 4 but it hasn't been released yet

ready

See https://docs.mongodb.com/mongoid/master/tutorials/mongoid-rails/

about 1 year ago
newrelic_rpm ready

_

ready

since version 3.15.0

over 3 years ago
nokogiri ready

Does not depend on Rails.

ready

does not depend on Rails

11 months ago
oauth2 ready

Standalone gem

ready

since version 1.2.0

over 3 years ago
omniauth ready

-

ready

since version v1.3.1 (https://git.io/vXCd0)

about 3 years ago
omniauth-google-oauth2 ready

No direct Rails dependencies. Runs on our Rails 4.2 app

ready

No direct Rails dependencies. Probably 5-ready

11 months ago
paperclip ready

since gem version 3.5.1

ready

since version 5

over 3 years ago
paranoia ready

since version 2.0

ready

from version 2.2.0

almost 3 years ago
pdftk-heroku ready

Running on our 4.2 app for some time

ready

Not dependent on Rails

11 months ago
pg ready

Does not depend on Rails

ready

Does not depend on Rails

over 3 years ago
phonelib ready

running on our 4.2 app for some time

ready

v5.0/5.1 from v0.6.12

11 months ago
premailer-rails ready

since version 1.3.2

ready

since version 1.9.2

over 3 years ago