When using Bolt 2 with 2020.2.0a15 and 2020.1.0b10 i get the following errors. These errors can't be cleared and Bolt is not usuable. 
{code:java}
Assets\Bolt\Bolt.Core\Editor\Tasks\Runners\BackgroundTaskRunner.cs(48,9): error CS0305: Using the generic type 'Progress<T>' requires 1 type arguments{code}
Steps to reproduce
* Download Bolt [2.0.0a12|https://github.cds.internal.unity3d.com/unity/com.unity.bolt/tree/release/2.0.0a12]
* Windows - Run Setup.bat to create Unity projects that are symlinked to the package.
* In the Hub open the Bolt2.release project generated in the previous step. (com.unity.bolt\Projects\Bolt2.Release) with Unity 2020.2.0a15
* Notice issue >> 
{code:java}
Using the generic type 'Progress<T>' requires 1 type arguments{code}
!image-2020-06-18-12-49-35-357.png!