Install UI Toolkit in 2021.1

I heard that the UI Toolkit is now integrated in the Unity Editor by default and it is no longer necessary to install it with packages.

After upgrading and uninstalling ui toolkit + ui builder my code has a lot of “type or namespace not found” errors.

Is there any new namespace or i am doing something wrong?

Getting really confused by all the sticky threads mentioning UIElements, Toolkit, Packages etc.

It seems its on 2021.2.

2021.1 contains the editor-only versions, runtime support is only included in 2021.2 onwards, or via the packages, but the packages currently cause errors with 2021.1

It’s great fun.

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We’re preparing a tool to convert some assets that were created with the package to be used without it, but the others are right to point that Runtime UI Toolkit is present in 2021.2+, not on 2021.1.

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