Fixed: Ignoring unknown option 'BellSound'.
--- a/.minttyrc Fri Jan 08 14:03:04 2021 +0200
+++ b/.minttyrc Fri Jan 08 16:11:52 2021 +0200
@@ -73,7 +73,10 @@
ClicksPlaceCursor=no
RightClickAction=menu
-BellSound=no
+# 0: No Beep, 1: Default Beep, etc
+BellType=0
+BellFlash=yes
+BellFlashStyle=4
Term=mintty
Answerback=