oh, oops! I fixed it for playdate->graphics->setSpriteDrawFunction() but missed that it's also used in playdate->sprite->setDrawFunction(). I'll always regret that we left both LCDRect and PDRect in the API, didn't make that consistent before the public release so now we're kinda stuck with it.
Anyway, thanks for finding that! PDRect is the correct one there. I'll get a fix in the queue.