Multiple block recovery error

[fredericjaillet]

After updating WordPress to version 6.5 and 6.5.2, I saw that hundreds of blocks Gutenberg were in error. And I couldn't fix the bug.

[poena]

Hi @fredericjaillet and welcome to WordPress trac.

Can you include any more information about your installation and how to reproduce the bug, like step by step instructions?

Does the problem happen if you activate a bundled theme like Twenty Twenty-Four, and if you disable all plugins? I am asking because I am not able to reproduce the problem.
I updated from WordPress 6.4.4 to 6.5.2.

It is possible that the problem is a conflict with a plugin or theme that has not been updated to be compatible with 6.5.2.
To determine which, you can disable one plugin at the time, or, disable all of them and re-activate them one by one.

[fredericjaillet]

Thanks for your reply @poena , it's a multisite WP installation with the addition of CoBlocks for editing. Like you, in development, I can't seem to get the same problem as on the Front. It seems that the bug only affects paragraphs and buttons with an impacted text colour or background colour. When I try to repair the block, they fade.

[fredericjaillet]

The problem also occurs in the patterns (buttons and paragraphs). See a capture of the JS.