Windows Subsystem for Linux 2 (WSL2) is being released soon with the May 2020 Update (Windows 10 2004) and comes with new features and performance improvements.
The Windows Subsystem for Linux feature allows you to install and run Linux distributions within Windows 10.
WSL version 1 (WSL1), though, used a Linux-compatible kernel that translates Linux system calls so they could communicate and work with the Windows NT kernel. This decreased the performance and made it difficult, if not impossible, to run certain Linux applications.
In Windows 10 version 2004, Microsoft has been testing new features for Windows Subsystem for Linux,