I think this is https://issues.slicer.org/view.php?id=4661 which is still listed as an open issue.
Previously reported by @Ash_Alarfaj back in November 2018 Brush size control by key
I think this is https://issues.slicer.org/view.php?id=4661 which is still listed as an open issue.
Previously reported by @Ash_Alarfaj back in November 2018 Brush size control by key