New Early Access builds

[Alan Bateman]

The builds at the Project Loom Early Access page [1] have been 
refreshed. The latest builds are based on jdk-16+6 (JDK 16 build 6).

There are several stability issues fixed since the EA build that we 
published at the end of June. Several people have reported crashes over 
the last few weeks then so it would be great to re-test if you can.

There aren't any API changes in this build, except for legacy 
ThreadGroup which has been significantly deprecated and degraded.

-Alan

[1] http://jdk.java.net/loom/