At the tenth halving, the first rounding error of the block subsidy will occur. A 1-bit will be right-shifted out of the subsidy's binary representation. That rounds the corresponding binary digit down to zero, rather than halving it (you can't have half a bit).
Discussion
Nice! You’re always ahead of the curve nostr:npub1g4jdvuxv9dgkcqtn5fupf2l9mr9xp27glzp6eq450dwfszrhfp9scxfm70
Your observations were more plentiful and more relevant, sir 😅