I'm not the original poster, but I asked for this to be revisited in r/Mojira. I've only seen the issue in the Windows client.
Sorry, it looks like this duplicates MC-128690. I was only looking for 18w19b reports when I created this. I can confirm it's still an issue in 18w19b.
I'm not the original poster, but I asked for this to be revisited in r/Mojira. I've only seen the issue in the Windows client.