I can't hit the ender dragon in melee. Bows and ranged attacks work just fine.
Interactions also don't work, for example using the Data model from Hostile Neural Networks.
I tried resetting the end dimension but issue still persists.

Modpack version: 0.4.0 and 0.4.2

Same here. 0.4.2. Anything that isn't a ranged attack does absolutely nothing.

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.