According to Bugzilla, the following issue was fixed in Fx 3.5.5 (over 3.5.4):
"ASSERTION: Inserting multiple children without flushing"
I'm sure this means something in code-speak, but I'm getting some rather interesting images, I can tell you.
"ASSERTION: Inserting multiple children without flushing"
I'm sure this means something in code-speak, but I'm getting some rather interesting images, I can tell you.