I downloaded the 1.14.4-pre6 and the bug is back here too 😞
I noticed that bug in snapshots 19w06a and 19w07a with my mouse on Debian KDE in Fullscreen mode. I doesn't come from my mouse since it works perfectly on 19w05a. My java version is openjdk 11.0.2.
I downloaded the 1.14.4-pre6 and the bug is back here too 😞