Resolved animation.0.9.0-preview.6 add unknown packages

I've noticed with the new Animation package update it add 2 unknown packages which I cannot remove from the project. The package documentation link for one isn't even online and the other is empty and doesn't contain anything in it.

The packages in question are:
* Moq
* Castle Core

I've never seen them before but it's highly possible it might have been added before 0.9.




Due to them being used by Animation (?) I cannot remove them. Are they supposed to be added?

 

They are required and its not a bug to have other packages installed due to dependencies. Many other packages will have dependencies too and the whole package manager workflow is to automate the installation of these various parts.

UIToolkit requires these packages and my guess is the latest animation package uses it under the hood with the graph creation tools.

 

I understand the package manager automatically installs any dependency. I just was wondering if they were required as I could not see any other package needing them.
But now at least I know it might be due to the graph creation tools as that also makes sense. Thanks for clarifying it!