The current 3.0.x version is not compatible with Drupal 11.2 and Workflow 2.1 (which is the successor of Workflow 1.8, that was - for custom code - a buggy version).
Test with W2.1 and D11.2 Make changes.
Active
3.0
Code
Issue #3534202 by johnv: Drupal 11 and Workflow 2.1 Compatibility
The commits adds compatibility to D11.2 and W2.1. It also contains general code style improvements, and some cosmetic changes.
Automatically closed - issue fixed for 2 weeks with no activity.