Verified packages are packages that have undergone testing and have been verified to work safely with a specific version of Unity, and all other packages verified for that version. Packages that have been verified to work with this version of Unity display the 2019.3 verified indicator beside it in the Package Manager window.
Any package that appears in this list without the 2019.3 verified indicator was verified in a previous version of Unity but is still pending official verification for this version. The packages that appear in this list are safe to use.
Click on any of the following links to see the documentation for the package.