You can add a setting in the wp-config.php file
define(‘CONCATENATE_SCRIPTS’, false );
Thank YOU!
I’ve tried everything I could find for days and could not fix this. Added that line an whoa, it all suddenly works.
Thank YOU again
Dennis
Yes – the admin CSS and some of the scripts.
I have the exact same problem as craigmckay. I work around it by not using the Visual editor for now. But not being able to use media attachments makes it a weak tool.
I’ve tried everything mentioned but looking at the admin CSS and scripts. Where are they and what would change the path in them? This site worked fine before the upgrade (rolling back didn’t help either)