Thank you for providing the links to the Ckeditor 5 problem when using the gin theme that may occur after updating Backdrop to the 1.32.0 release, and the link to the new release of gin that...
Here is a possibly related issue in the core issue queue:
After upgrade from 1.31.1 to 1.32.0 update.php shows fatal errors and leaves site in maintenance mode
https://github.com/...
It sounds like a CSS/JS bug in the Layouts UI: when the "Add block" row is hidden with display:none, its help/description element isn’t being hidden together.
🔧 Things to try...
Thank you, Martin and Olaf! I had a feeling that there might be something out there already :)
I will check all three options (I will look at porting modules) and report back which one...
Comments
I guess because the CSS code that manages this element is:
.block-hero-no-image {
background-blend-mode: luminosity;
background-color: #0074bd;
background-image: url("/core/themes/basis/images/texture.png");
background-position: center center;
background-repeat: repeat;
}
The background-blend-mode CSS3 property is not supported by Microsoft browsers:
https://www.w3schools.com/cssref/pr_background-blend-mode.asp
https://developer.mozilla.org/en-US/docs/Web/CSS/background-blend-mode
I would recommend to use another CSS technique for this block - for example CSS opacity or RGBA color.
Or may be simply color texture.png file.