Change record status: 
Project: 
Introduced in branch: 
10.1.x
Introduced in version: 
10.1.0
Description: 

Previously only actions that implemented PluginFormInterface could be created via the UI with the action module enabled.

This check has been removed, so it is now possible to create any action at the Actions administration page.

Impacts: 
Site builders, administrators, editors
Module developers