Change record status: 
Project: 
Introduced in branch: 
8.5.0
Introduced in version: 
8.5.0-alpha1
Description: 

All implementations of MigrationPluginManagerInterface need to provide an implementation of createInstancesByTag. See the example in MigrationPluginManager for reference. This should impact few people, since no one should be implementing their own plugin manager.

Impacts: 
Module developers