Hi. So, i found a bug where you can't launch the game after updating to Java 16. This bug is remained since snapshot 21w19a. I tried change the System Environment, and other stuff, but it didn't work. I also using third-party launcher, and idk if the bug is also occurred on default setup.
What happens when you try to play Minecraft using Java 16? If the game crashes, please attach a crash report 🙂