Ruby 2.7 compatible gems

Ruby 2.7 is released. Here is everything you need to know about it.
If you use Ruby 2.7 in your app there will be tons and tons of warnings. Most of the warnings are about the keyword argument change. 

11:03:47 PM worker.1 |  /Users/prathamesh/.rbenv/versions/2.7.0-rc2/lib/ruby/gems/2.7.0/gems/faraday-0.17.1/lib/faraday/options.rb:166: warning: Capturing the given block using Proc.new is deprecated; use `&block` instead
11:03:49 PM worker.1 |  /Users/prathamesh/.rbenv/versions/2.7.0-rc2/lib/ruby/gems/2.7.0/gems/sinatra-2.0.7/lib/sinatra/base.rb:1641: warning: The last argument is used as keyword parameters; maybe ** should be added to the call
11:03:49 PM worker.1 |  /Users/prathamesh/.rbenv/versions/2.7.0-rc2/lib/ruby/gems/2.7.0/gems/mustermann-1.0.3/lib/mustermann.rb:62: warning: The called method `new' is defined here
11:03:49 PM worker.1 |  /Users/prathamesh/.rbenv/versions/2.7.0-rc2/lib/ruby/gems/2.7.0/gems/mustermann-1.0.3/lib/mustermann/pattern.rb:59: warning: The last argument is used as keyword parameters; maybe ** should be added to the call

Here is a list of gems that have fixed these warnings:

Thanks @connorjshea for helping me in compiling this list!