Warning - 10.11 Beta (15A278b)
Clicking this link, and at least one other, resulted in a crash...
Here are the logs
7658.LogosLogs.Mike.20150903-104150.zip
As you can imagine this is quite disruptive to ordinary work.
I can reproduce this on Mac and I will create a case to get it fixed.
This should be fixed in 6.6 Beta 4.