@xomx
Thank you for testing

I see you reverted the fix completely (10. Fix NSIS installation stalling caused by context menu registration issue. (Fix #17308 , #17885)), so there is back the regsvr32 calling as before.

No, I didn’t. The only modification I published is for the fix of x86 32-bits installer double entries issue:
https://github.com/notepad-plus-plus/notepad-plus-plus/commit/a2a0c147c63eca790e68f06f7cc487ada5dbdd0a

And I just pushed the fix into master:
https://github.com/notepad-plus-plus/notepad-plus-plus/commit/50a163de5334b077fb9a7e24cfaee46dbe603116

(Also I looked into the included TEST source and noticed that there are now missing some later fixes like “Add version info into MSI file property” or “Remove libcurl.dll”, I hope these stay in the master?).

I guess the messages are the latest state when I created TEST tag, as well for the source code zip.

https://github.com/donho/notepad-plus-plus/releases/tag/XXX
is used only for RC or fix test.

Though https://github.com/donho/notepad-plus-plus/ is usually synchronized, you should always check:
https://github.com/notepad-plus-plus/notepad-plus-plus