Firefox flash plug-in bug?

I’ve noticed there might be a bug in flash plug-in for firefox. I’m using IE for debugging, since my FF is always open for browsing, but when I tested something I’ve noticed some strange effects.

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…it’s to complicated to explain (I tired, but it’s too confusing :P).

So, are there any documented bugs in ff plug-in? I’m interested in Timer and Dictionary class in particular…
I’ll try to make some usable example and post it later…