This just hasn't been updated since it was forked from the initial OSS release from Google, I've started a discussion on the firmware Discord to update it.
Re:Two new PebbleOS watches
by pokeymcsnatch on Tuesday March 18, 2025 @01:26PM
(#43402097)
Just a guess, but Nordic pushes a proprietary bluetooth stack. You don't have to use it, but it's the fastest way to get up and running.
edit: not sure they use the proprietary stack... at the very least, it looks like they're in the process of switching to a free BT stack
> This is the latest version of the internal repository from Pebble Technology providing the software to run on Pebble watches. Proprietary source code has been removed from this repository and it will not compile as-is. This is for information only.