Bug fixes

Bug fixes patches applied from the issue queue.

Theme Code and Security Audit.

First release supporting Drupal 9.

Changes

- #3134929: Architecture/string fix: Rename "type" to "channel"

Switch to semantic versioning. This branch is a direct continuation of 8.x-1.x.

Feature release, and compatibility with Drupal 9.

Feature release. Final version of the 8.x-3.x branch - future development will occur in 4.0.x, and be compatible with 8.8.x and 9.0.x.

This release is functionally identical to 4.0.0. If you are using Drupal 8.8.0 or newer, you can and should upgrade to 4.0.0 instead.