Hi Peter,
The frozen scrolling only happened with the latest plugin after I used the “Manage with Live Preview” option to edit a text widget.
The “only being able to edit or save but not both” issue for text widgets I think also existed with the previous version. But I didn’t realise it was a bug, just WP acting strangely.
I think it may have something to do with the Accessibility mode.
Unfortunately I cannot take the chance that any visitor will not be able to scroll the site and so I have had to turn the plugin off. A great regret for me since I really liked it. (And paid for it! Ho Ho :o)))
Thanks,
Finn