When a .mcaddon file seems to have no effect, it’s usually due to a failure in the import process or a missing dependency.
Troubleshooting Steps:
1. Verify Import Success: Did you see the “Import Success” message? If not, ensure you have sufficient storage on your device.
2. Activate in World Settings: Remember that importing is not activating. Go to World Settings > Resource Packs and Behavior Packs and manually activate the pack.
3. Check for Dependencies: Some Addons require a “Base” pack to function. Check the creator’s page for required companion packs.
4. Experimental Toggles: Many Addons require specific Experimental Toggles (like “Holiday Creator Features”) to be enabled in the world settings.