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Hello,
I tested JustTrace and it works very good except that I found no filtering.
You have a searchbox in the right upper corner for searching and jumping to one type.
This searchbox feels crappy and is not very usefull, it would be a lot better, that the namespaces get filtered when I type.
I only want to look at one/some namespace(s) and an easy filtering would be very helpfull. (I attached a picture what I mean)