Originally Posted by user_none
I mean use the drop down arrow next to "Open With" in the tool bar. Then select the Sigil entry. This will ensure the Sigil item is run. I'm hoping there is something with your setup that Sigil isn't the default action or a shortcut conflict with the new shortcut code added recently.
That way works.
BTW when I set the 'Custom' keystroke for Open With : for Sigil entry, the entry appears like a pause
button instead of saying Alt-E