I can't reproduce this bug. Perhaps you hit the delete key by accident? Otherwise, pls give concise steps to reproduce the issue.
And show vars when press exit-var button. Also, some wm hardening for LoadGame and GotoMove windows.
Check boardEngine is running. Rename drawVarArrows to checkVarArrows, and Draw var arrows straight away if exitting a var.
Allow engines to draw arrows on the main board. (remove patch of the same, and mini docked engine feature too).
Make mpvtls/Traffic light bar wider in macOS.
Only number second PV arrow line (mini analysis board) if PV/lines >= 3.
No - no plans for a new release. Re upgrading, lots of option files can be copied over.
Resize (analysis board) 'traffic lights' bar if board resized.