Thank you, but it seems that Gaurav241 got accepted already: https://github.com/PixelExperience/official_devices/pull/1839
It's actually possible that they didn't like how I categorized the preferences provided by OnePlus Parts (renamed OnePlus Settings), even though they didn't mention it directly.
Is there any other difference between official builds and yours? I wanted to try Pixel Experience but not sure which build to flash with 3 different threads.