TL;DR

Bunny 2.6.6 is released to rubygems.org.

2.6.6 is a maintenance release.

Changes between Bunny 2.6.5 and 2.6.6 (May 11th, 2017)

Connection Recovery Improvements

System call exceptions now will trigger connection recovery.

Contributed by Alessandro Verlato.

GitHub issue: #491.

Changes between Bunny 2.6.4 and 2.6.5 (April 15th, 2017)

Absolute Windows File Paths are No Longer treated as Inline Certs

Contributed by Jared Smartt.

GitHub issue: #492.

Full Change Log

Full change log can be found on GitHub.

About the Author

Michael maintains Bunny and several other RabbitMQ client libraries.