CssOptimizer strips out space in quotes breaking certain kinds of CSS like content: " " which is why you see the comma-lists looking like value,value,value instead of value, value, value
Try this?
\s*([@{};,])\s*(?!")
Closed: duplicate
11.0 🔥
asset library system
The change is currently missing an automated test that fails when run with the original code, and succeeds when the bug has been fixed.
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It's likely this issue predates Contrib.social: some issue and comment data are missing.
I think this was fixed in #936316: CSS aggregation strips some essential whitespace within strings →
If you are experiencing this problem on a supported version of Drupal reopen the issue, by setting the status to 'Active', and provide complete steps to reproduce the issue → (starting from "Install Drupal core").
Thanks!