[View Full Changelog](https://github.com/enderneko/Cell/compare/r263-beta...20c420c30de81ba7cea727c5b619854e8a79efa9)

- Fix Anniversary Dual Spec (#427, thanks @muffinhydra)
- Fix indicator loading issues
- Improve fallback group type handling for Retail
- Update BuffTracker options for Vanilla/Wrath/Cata
- Update size of indicator preview button background
