A New Early Access Build

[Alan Bateman]

The builds at the Project Loom EA builds page [1] have been refreshed. 
The updated builds are based on JDK 15 build 19 and pick up several 
stability fixes and other changes (includes JFR support) since the last 
update. The API Javadoc has been refreshed too. The new continuations 
implementation that Ron sent mail about on Dec 19 [2] is not the default 
yet so it still requires a VM option to try that out.

-Alan.

[1] http://jdk.java.net/loom/
[2] 
https://mail.openjdk.java.net/pipermail/loom-dev/2019-December/000931.html