Is a gem ready for Rails 4 or 5?

Rails 4: 614 ready, 38 not ready, and 433 unknown
Rails 5: 161 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
concerned_with unknown

Not sure

unknown over 4 years ago
conditionizr-rails unknown unknown almost 6 years ago
CookiesManager unknown unknown almost 6 years ago
couch_session_store unknown unknown almost 6 years ago
coupon-aggregator unknown unknown almost 6 years ago
coveralls unknown unknown almost 6 years ago
critiq-client-rails unknown unknown almost 6 years ago
critiq-jquery-rails unknown unknown almost 6 years ago
cucumber-api-steps unknown

Do not know if ready. Some feedback would be helpful.

unknown over 4 years ago
d unknown unknown almost 6 years ago
damagecalc unknown unknown almost 6 years ago
data_miner unknown unknown almost 6 years ago
dead_simple_enums unknown unknown almost 6 years ago
deface unknown unknown almost 6 years ago
deferred_association unknown unknown almost 6 years ago
demoday-rails unknown unknown almost 6 years ago
dent unknown unknown almost 6 years ago
deployer_generators unknown unknown almost 6 years ago
devise-encryptable unknown unknown almost 6 years ago
devise-rspec unknown unknown almost 6 years ago