Currently, there is no such feature for inter-session cache for user-resolved assembly locations. You can add it to our uservoice
system. This way you enable other users to vote for it. The more the votes, the higher is the backlog priority.
One workaround around this is to add those 3rd party assemblies to the GAC. If JustDecompile finds them there it will load them automatically. This would work only if those 3rd party assemblies are strong-named, because only strong-named assemblies could be added to GAC.
Another way around this is to have them in the same directory as the loaded in JustDecompile assembly. This will work even with non strong-named assemblies.
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Do you want to know when a feature you care about is added or when a bug fixed?
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and vote to affect the priority of the items