I want to buy my first Google Pixel and flash GrapheneOS. The reason I want the Pixel 10a is its larger battery. My question is: why is it taking this long, if they already solved the problem with support for the Pixel 10, and the 10a is almost the same as the 9a? Do they need to reverse-engineer the 10a device tree like they did for the Pixel 10, or is there another reason?