Is a gem ready for Rails 4 or 5?

Rails 4: 555 ready, 38 not ready, and 436 unknown
Rails 5: 55 ready, 6 not ready, and 968 unknown
Name Status Rails 4 Notes Rails 4 Status Rails 5 Notes Rails 5 Status or notes updated
diaspora_federation-rails ready

It works

ready

Since 0.1.6

about 17 hours ago
cancancan ready

Was started as a semi-official reboot of cancan (which is not yet Rails 4 ready). Work on cancan seems to have stopped, cancancan is Rails 4 ready.

ready

since gem version 1.15.0

17 days ago
comfortable_mexican_sofa ready

-

ready

since version 1.12.10

17 days ago
administrate ready

ok

ready

from https://github.com/thoughtbot/administrate/pull/636

about 1 month ago
select2-rails ready

See Jose's comment

ready

since Harry's comment below

about 1 month ago
breadcrumble ready

Breadcrumble 4.0.0 is ready for Rails 4!

ready

since commit https://github.com/ma2gedev/breadcrumble/commit/6a274b9b881d74aa69a8c3cf248fa73bacfd1d46

about 1 month ago
omniauth ready

-

ready

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

3 months ago
geocoder ready

says so in readme

ready

see https://git.io/vXCdc

3 months ago
novus-nvd3-rails unknown unknown 4 months ago
dotenv-rails ready

Works fine, tested with Rails 4.

ready

since version 2.1.0 (https://github.com/bkeepers/dotenv/blob/master/Changelog.md#210---jan-13-2016)

4 months ago
simple_form ready

working from gem version 3.0.0

ready

since version 3.2.1

4 months ago
wicked ready

travis build

ready

for sure from version 1.3.0

4 months ago
money-rails ready

Tested in rails upto 4.2.6

ready

from version 1.7.0

4 months ago
exception_notification ready

since 4.0.0.rc1

ready

from version 4.2.0

4 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

4 months ago
rails-dom-testing ready

yes

ready

from 2.0.0 https://github.com/rails/rails-dom-testing/releases

4 months ago
active_record_union ready

why not?

ready

According to changelog ready from 1.2.0 https://github.com/brianhempel/active_record_union#changelog

4 months ago
pg ready

Does not depend on Rails

ready

Does not depend on Rails

5 months ago
hyperkit ready

It works!

unknown 5 months ago
drafting ready

see readme

ready

see readme

5 months ago