Bug fixes

This is the second beta release module.

Changes since 8.x-3.0-beta1:

• #3051646: dialog.ajax error: Uncaught TypeError: Cannot set property 'ajaxCurrentButton' of undefined

Error fixed
1: Schema Update and fixing PHP7 warning
2: Invalid datetime format

- Add rss plugin
- Some bugfixes for overrides

Fixes #3098641: On selecting a different variation, the wrong variation is checked - no other changes included

Issue #3098525 by paperscenery: Release 8.x-1.1 throws a boatload of PHP errors

Issues fixed since alpha1 version:

1. #3097671: Exception on Core 8.7.10 / 8.8.0-rc1 + Commerce 2.15 by Balu Ertl, kolosh and segi