In the "Drawing preference" tab (at least), the value of the last edited field is ignored.
This should be corrected in the next version.
After using "&" to ligature two elements, the caret is placed one quadrant after the new ligature (instead of just after the ligature).
Solved In 5.1 and later
The W1 sign in the latest versions of JSesh doesn't display correctly (it's probably a problem in my SVG reading code[^1]). Anyway, a "corrected" version of the sign is available here:
[^1]: It is, and it's corrected. Next version of JSesh won't have this bug.