Is a gem ready for Rails 4 or 5?

Rails 4: 615 ready, 38 not ready, and 433 unknown
Rails 5: 162 ready, 11 not ready, and 913 unknown

Gems unknown for Rails 4

Name Status Rails 4 Notes Rails 4 Status Rails 5 Notes Rails 5 Status or notes updated
acts_as_shellable unknown unknown almost 6 years ago
add_relative_rails unknown unknown almost 6 years ago
after_commit unknown unknown almost 6 years ago
angularjs-bootstrap-rails unknown unknown almost 6 years ago
announce_until unknown unknown almost 6 years ago
anoncms unknown unknown almost 6 years ago
ANTFARM unknown unknown almost 6 years ago
appreset unknown unknown almost 6 years ago
ar_after_transaction unknown unknown almost 6 years ago
arqueue unknown unknown almost 6 years ago
ar_validation_extensions unknown unknown almost 6 years ago
Ascii85 unknown

Not known

unknown about 5 years ago
auditor_with_tenancy unknown unknown almost 6 years ago
authmonk unknown unknown almost 6 years ago
autogrid unknown unknown almost 6 years ago
awesome_nested_fields unknown

initial listing

unknown over 5 years ago
babelyoda unknown unknown almost 6 years ago
babilu unknown unknown almost 6 years ago
backlog unknown unknown almost 6 years ago
badges_engine unknown unknown almost 6 years ago