I'm definitely not arguing that FOSS is always worse or anything. But there are certain hard, minor usability things that tend to never get dealt with in that s

I'm definitely not arguing that FOSS is always worse or anything. But there are certain hard, minor usability things that tend to never get dealt with in that space. Detecting key-up fits that category. It isn't a big deal, and hard to make it happen, so it won't happen (and in this case maybe it shouldn't)