Windows 10 build 20150

Windows 10 build 20150 is the first Insider Preview build of Iron. It was released on 2020-06-17 to all Insiders on DockerHub, as downloadable ISO images on the insider website and in the Dev channel (formerly known as the Fast ring).

Changes

 * Three new features were introduced in Windows Subsystem for Linux, these are GPL compute, WSL install, and WSL update.
 * The search box on Settings' Default Apps page, which was first introduced in Manganese build 19608 but removed for maintenance on build 19624, has been reintroduced with some performance improvements.
 * The updated Korean IME, which was introduced in the May 2020 Update build 18941, has been reintroduced for the second time.
 * Bugfixes listed in the official announcement.
 * Most CPUs in Task Manager tend to show the speed at 0.00 GHz

Bugs and quirks

 * There's a chance that you can encounter a "HYPERVISOR_ERROR" BSOD.
 * Notepad may fail to open files which were automatically saved during a PC upgrade (or restart if enabled in Settings). Documents can be recovered from %localappdata%\Notepad.