Created attachment 141138 [details]
Created attachment 141141 [details]
Error showcase 2
Showing the error
Created attachment 141142 [details]
minimal document where it happens
Not sure what is causing this, but just moving around the cells, change where the border is drawn
as if it wasnt refreshing
Thanks for reporting the issue.
Regression introduced by e32c12a444e5bd0c6735db8e8008340c29a7e25e which is the same as in bug 115582.
It's a repainting problem and we're looking into it...
*** This bug has been marked as a duplicate of bug 115582 ***