Why did they go closed-source for the 64-bit version?
> Menuet64 is closed source because M32 was forked and new copyrights just slapped at the beginning of practically all 32bit source files (multitasking, drivers, GUI, networking..) without any permission. You can take a guess about the country in question. https://board.flatassembler.net/topic.php?t=22194
For the curious, it appears to have been done by people in Russia (state-sponsored or not is unclear)