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 4

Name Status Rails 4 Notes Rails 4 Status Rails 5 Notes Rails 5 Status or notes updated
ancestry ready unknown over 6 years ago
annotate ready

It is compatible, but it does not correctly annotate namespaces models like profile::bla (source)

unknown almost 6 years ago
annotator ready

https://github.com/tech-angels/annotator/commit/60827eb718d71e05eea05f63638252929b0dd02e

unknown about 6 years ago
apartment ready

source

unknown over 6 years ago
api-versions ready unknown over 6 years ago
ariane ready

A Rails 4 spec PR has been merged in - https://github.com/simonc/ariane/pull/11

unknown over 6 years ago
ar-octopus ready

since gem version 0.8.0

unknown almost 6 years ago
ar-postgis ready

Changes from this gem have been merged into activerecord-postgis-adapter. Please use that instead.

unknown over 5 years ago
asset_sync ready

https://github.com/rumblelabs/asset_sync/pull/207

unknown over 6 years ago
attr_encrypted ready

See Jason's comment below

ready

since version 3.0.2

over 3 years ago
attribute_defaults ready

https://github.com/jviney/attribute_defaults/issues/1#issuecomment-58498438

unknown about 5 years ago
attribute_normalizer ready

sfdgsdfgsdfgsdfg

unknown almost 6 years ago
audited ready

-

ready

from gem version 4

over 1 year ago
audited-activerecord ready

since gem version 4.1

ready

from gem version 4

over 1 year ago
audit_rails ready

https://github.com/gouravtiwari/audit_rails from 1.1.6 version

unknown about 6 years ago
authlogic ready

now working. if there are issues, provide the following in your gemfile:

gem 'authlogic', github: 'binarylogic/authlogic', ref: 'e4b2990d6282f3f7b50249b4f639631aef68b939'

ready

Since gem version 3.6.0, see https://github.com/binarylogic/authlogic/blob/9340a93541f2fdc92c1fa569f74be9a5deed2e14/CHANGELOG.md#360-2017-04-28

about 2 years ago
authority ready

Since version 2.6.0

unknown over 6 years ago
auto_html ready

https://github.com/dejan/auto_html/pull/79

unknown over 6 years ago
awesome_nested_set ready

master branch

ready

since gem version 3.1

8 months ago
awesome_print ready

Does not depend on Rails

unknown over 6 years ago