v2.1.0-M4-1

Same as 2.1.0-M4, but for the Windows launcher, whose applications it installs should work fine with Java 8 or 11.

What's Changed

• Ensure we generate Java 8 compatible byte code by @alexarchambault in #2355

Full Changelog: v2.1.0-M4...v2.1.0-M4-1