# v8.3

* **Breaking Changes**
  * <https://docs.otherside.xyz/odk-documentation/documentation/breaking-changes/v8.3>
* **Bug Fixes**
  1. **\[FIXED]** World services not cleaning up correctly on shutdown (causing avatar loading failures on world travel)
  2. **\[FIXED]** World builder setting not correctly detected leading to some settings and engine content being incorrectly writeable in editor
  3. **\[FIXED]** Bubbles collision detection fix&#x20;
  4. **\[FIXED]** Co Op Emotes not canceling
* **Features**
  1. Quests and World Travel tabs on the Profile Overlay can be disabled on a per experience basis via the live config.&#x20;
  2. Respect "ODK.AvatarSelector.AllowListCollectionContractsArray" to allow avatar filtering by collection&#x20;
  3. Added "OverlayProfileLoaded" condition on startup when the initial overlay kv store has been read
  4. Expose font style overrides for tweaking styles without having to create a new style each time