GP 3.2, M1 Pro MBP, macOS Monterey 12.4
latest dmg + native jre is so far best.
Re-downloaded dmg and replace the app, which results similar to 4) but in a x86 jre. (task monitor shows kind=intel)
It seems 3.2.3244 (live upgraded from 3.2.240) bundled x86 jre, super laggy. Especially when regaining focus by clicking on a task, it takes about 6~7 seconds to highlight that task. Page up/down takes 3~4 seconds.
To use a native jre (kind=apple) like following works way far better, though still not smooth.
/Applications/GanttProject.app/Contents/app/ganttproject -j ~/Downloads/jdk-17.0.2-full.jdk
Regaining focus still takes a second or so to highlight the item. Paging up/down takes near a second and scrolling is possible.
I’m not sure it is a javafx/jre issue or you can do something on GP side.
And with x86 JRE bundled, it quit occasionally, most likely when I resize something in GUI. OS crash report is attached. gp_m1_crashlog.txt (173.5 KB)