Nupkg not found in Studio

[ecSC2]

So after a whole lot searching and reinstalling UiPath I finally figured out the issue…

My automation process is set to use “Windows” under Compatibility option when first created and sure enough according to the 2021.10 release note and forum thread (link below), “Windows” compatibility option is using .NET 5. This explains why my Market Packages not showing the custom activities because they’re based on .NET 4 which is not compatible with .NET 5…

Going back to “Windows - Legacy” Compatibility option I’m able to find the activities I’ve been looking for including Slack and TwoStepAuthorisation.

Looks like UiPath have been looking into it since October but dead end?

Custom Activities Compatible with Newer Versions of Studio (.NET 5)

The newer versions of Studio Community (2021.10.x) give us the compatibility options “Windows - Legacy”, “Windows” and “Cross-Platform”. “Windows” and “Cross-Platform” uses .NET 5 which turns basically all activities on marketplace/nuget obsolete since they are based on .NET 461 and so, not compatible with newer versions. Is there any guide (or will be) on how to build activities compatible with .NET 5? I read about the CoreWF which is porting the Workflow Foundation to .NET 5 and tried to do…