Problem: Modal dialog overlay loses opacity on a longer page in Win7 IE8, it appears as solid gray, the dialog is still on top. To illustrate the problem, I've constructed a simple case at http://jsfiddle.net/jdavis78/4nbyA/4/
Using Win7 IE 8.0.7601.17514 and this jsfiddle case, the dialog appears with a solid gray background (opaque). Remove a single row from the html table and the dialog's overlay opacity is correct.
These tickets appear relevant:
However, the code change mentioned in 4995, at https://github.com/jquery/jquery-ui/commit/c9e187cd9d3cecdb39ecfb0ab0389614973a40c3
did not solve this opacity issue.
Reproducible in the following 'jq' versions:
jquery 1.7, jquery 1.7.1, jqueryui/1.8.16, jqueryui/Master 1.9m6
I see this problem in:
Win7 IE 8.0.7601.17514 (32bit and 64bit, the most recent IE8 on Win7)
This problem is not seen in:
FF 8.01 or
XP IE 8.0.6001.18702 (the most recent IE8 for XP)