It's free, has better quality than MIUI by Xiaomi, deserves donations to keep improving development and with feedback like the one above and the weekly report, allow the Dev Team to debug and tuning once they don't have all devices for testing.
At least on Poco F3 the "Automatic Script" when updating is less optimized in Weekly 22.7.28 than in version 22.7.21 - ReadMe
EDITED: I noticed that when manual downloading the TWRP through the official link a warning happen with SKKK version (annex). None notification with previous version from Nebrassy. Should I ignore it?
You're not alone. Poco F3 still has overheating issues since Weekly 22.7.13 as confirmed in #20
It's a Beta CN build and the current code isn't optimized from Xiaomi's side.