For me with ActiveState 5.8.2 on Windows 2000 the dropped scalars and memory leaks I was having with code I was working on is gone and my threads are running much better. I will look at the code you have but I guess some of the improvements I am having broke other things, but that has been the caveat with threads, ithreads particularly. This is an experiment and it may change dramatacially with each release. So is it a bug or is just the way ithreads are going. For me I am enjoying the change (at the moment).

As a general question since ithreads are an experiment that is wanted to be included is there any area within the Perl community to feedback on this subsystem specifically???