We started getting this error after the upgrade to 188.8.131.52:
Attribute [cc] of the tag [mail] is invalid
We have code that puts a list of emails in the cc attribute, like so:
We were able to resolve our error by removing the trailing comma, but I wanted to share the report of the problem here in case it is worth filing a bug for or fixing.
I saw also this ticket that might be related:
Lucee Version: 184.108.40.206