DerpFest 15.1 STABLE | OFFICIAL
By ~ @0mar99
Build Date : 10-02-2025
Device : Xiaomi 11T Pro ( vili )

Source: 
- Merge February security patch
- Implement Android 16 seekbars (https://m3.material.io/components/sliders/overview)
- Fix headline font being stuck to roboto in Security & Privacy settings
- LongSwipe: Add show volume panel action
- QSHeader: Fix memory leaks
- QuickTap: Many code improvements
- DerpLauncher: Improve restart logic
- device_config: Add values required for Speech Recognition
- textclassifier: Set manifests + needed options
- Add haptic feedback to auto brightness icon
- Add click actions to QS header elements
- Bring back animated volume icon in volume panel when playing media
- Prevent OOB when reinflating QS panel with notifications
- Code improvements for FlashlightStrengthTile
- Code improvements for VolumeControlTile
- Optimize connected battery level scanning
- Fix custom image provider for header image
- Settings: Bring back Custom Statusbar Signal & Wi-Fi icons
- GameSpace: Add game optimization settings
- GameSpace: Enhance in-game call handling
- GameSpace: Improve seekbars
- QuickTap: Improve haptic intensity preference behavior
- QuickTap: Import German translations

For detailed changelogs go to: Settings>About>Android Version>Changelog

Device:
- Updated common blobs from haydn V816.0.14.0.UKKMIXM
- Updated CarrierConfig from munch V816.0.2.0.ULMMIXM
- Tweaked dolby audio config
- Switched to common QTI vibrator HAL

Kernel:
* Added KSU-Next and susfs support, credits to @kknixx. You can find this as a separate boot.img in the "KSU boot" folder. There is NO root by default
- Upstreamed the kernel to 5.4.289 and merged the latest changes from LineageOS