Changes between 4.10.0 and 4.11.0.RC1

This is a pre-release for 4.11.0, a maintenance release with usability improvements and dependency upgrades. All users of the 4.x.x and 3.6.x series are encouraged to test this version.

Improve logging for TLS connections

GitHub issue: #441

Don't panic when cancelling an unknown consumer

GitHub issue: #525

Bump dependencies

GitHub issue: #607