Steps to move from DerpFest to YAAP Or PixelOS or vice versa without data loss.

Step 1: Flash rom
Step 2: Wipe cache
Step 3: Check Mark Data
Step 4: Swipe to Wipe
Step 5: Reboot

Successfully tested OTA on derpfest a14, it was stopped by me when I took over Anurag as a maintainer. Hope you guys enjoy it. 😃

Notice: if it's not showing for you try flashing the latest build from derpfest sf org.

Changelog
- Merge QPR1 (aka December security patch)
- Remove OOS style clear all button toggle due to QPR1 conflicts
- Switch to Yaap's impl for battery icon customizations
- Switch to AOSP themepicker to fix wallpaper apply button and other small issues
- Add DerpFest Updater (based on Lineage updater)
- Fix for Faceunlock needing a reboot to work after registering a face model
- Add optional bouncer user switcher toggle
- Add window ignore secure feature
- Add option to display data disabled indicator icon
- DerpSpace: Add a secure section to quick settings
- DerpLauncher: Import Lawnicons
- Update Gramophone prebuilt
- switched to lz4 compression zram
- fixed QS stutters issue with playing YouTube videos in pip mode