The version 6.5 Beta 4 for Windows (77.1 MB) is bundled with OpenJDK 11.0.10 which might be a wiser solution because OpenJDK 11 is a LTS (Long Time Support) release. A bug like the bug #8213535 which was fixed for the upcoming Java 16 was backported to Java 11 but not to Java 15.
This bug computed a wrong width for tooltips in HiDPI displays and truncated their texts or spreaded it on more lines, like in the following screenshots comparing a correct tooltip with a wrong one.
