What is Siteminder doing to cause this?
And what does it look like? ("prevents edit from working" does not describe the symptoms, which probably isn't that important to your main question, but it might be useful to see what exactly is going wrong)
I'm using Adaptavist Theme Builder, but if I were using regular confluence, I'd try making a user macro with the following and put it in the header maybe (unless these web item macros are only enabled through theme builder?) :
Hi Community! We're thrilled to share that Team Calendars for Confluence is now a built-in feature for Confluence Data Center releases 7.11 and beyond. A long time favorite, Team Cale...
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