Affects: IE9 PP3, Opera 11
Fixed In: IE9 Platform Preview 6
Update: Opera latest release (version 11) is also showing broken fieldset legends.
It appears that the latest IE9 Platform Preview #3 (PP3) has re-broken (bug 190) the fieldset element to cause rendering glitches with the legend element.
As you can see, (if you use IE9 PP3) the legend does not render correctly at all. The legend is not contained inline within the fieldset border. Hopefully this is just a bug in this third preview.
Known Workarounds: None.
Related Issues: (bug 190).