The MongoDB Ruby team is pleased to announce version 2.21.2 of the mongo gem - a pure-Ruby driver for connecting to, querying, and manipulating MongoDB databases. This is a new patch release in the 2.21.x series of the MongoDB Ruby Driver.
Install this release using RubyGems via the command line as follows:
gem install -v 2.21.2 mongo
Or simply add it to your Gemfile:
gem 'mongo', '2.21.2'
Have any feedback? Click on through to MongoDB’s JIRA and open a new ticket to let us know what’s on your mind 
.