Troubleshooting Visual Glitches and Performance Issues in Preview

Managing Beta and Preview Limitations

The Vanilla Deferred Lighting shader pack operates within a beta or preview framework designed to test new rendering capabilities. Because this feature is currently not optimized enough, players may encounter unexpected problems, bugs, or visual glitches while playing.

If you experience issues after activating the pack, verify that your game meets all the necessary setup requirements. Double-check that your world's video settings are correctly configured to the "Diferred Technical Preview" graphics mode. Furthermore, ensure you have enabled the “Render Dragon Features for Creators” experimental feature in your world settings.

If bugs persist, try toggling your pack settings—such as switching between the standard option and the Vanilla Deferred Lighting + With Fog option—or revert your graphics settings to standard if stability is preferred over testing the unoptimized preview features.