New features

The alpha4 release resolves the following:

• #2912477: Provide formatter support for images

It also fixes a bug that was incorrectly fetching the config object by plugin id, instead of media bundle type, which is how it is stored.

Major changes have been implemented since the alpha1 release. See the relevant change records.

Changes since 8.x-1.0-alpha1:

Initial release

1. Add Sidebar component. #2908232: Sidebar Component
2. Issue #2912432: Fix double alias issue by dawehner: Fix double alias issue

Initial release