See the following link:. http://www.androidpolice.com/2016/05...uite-ready-yet
Succeeded in creating one! Based on the animation during the Dev Preview 3 update.
Just a sloppy release, I cba to make a fade in/out. If you got spare time for that, feel free to edit.
See the preview image below.
Download link: https://drive.google.com/open?id=0B4...jAwUTBHUDF6dWM
Installation is easy.
1. Copy the file to your SD card
2. Open up root explorer
3. Copy the bootanimation.zip from the SD card
4. Navigate to /system/media/
5. Rename your current bootanimation
6. Paste your bootanimation.zip in the clipboard
7. Make sure permission are on 664/ rw-r-r
Edit: fellow member fLipz made a flashable zip. If you want to use that, it's over here. Thanks!