When using the javascript "window.open" function, the specified URL will be hit twice by the browser.
Created attachment 13009 [details] Test case reproduction For this test case to work, this page has to be served by a webserver for which you have access to the logs. 1) Click the button labeled "open window". A new window will open temporarily. 2) Observe the multiple duplicate entries in the web server access log.
This bug sounds vaguely familiar, but I can't find a related bug in a cursory search.
I can only reproduce this with a nightly, not with shipping Safari -> regression/P1.
<rdar://problem/5166149>
We have reason to believe this is a somewhat recent regression (last few months) - it would be great if someone could spend the time to regress this using the nightlies to find out the range when it broke
Landed a fix in r21578