Hi Luke,
JDK 11 build 28 is
our first JDK 11 Release Candidate [1]
JDK 12 Early Access build 10 is available at : - jdk.java.net/12/
FOSS bug fixes in recent builds.
Other important fixes in JDK 12
Rgds, Rory
[1] http://mail.openjdk.java.net/pipermail/jdk-dev/2018-August/001844.html-- Rgds,Rory O'Donnell Quality Engineering Manager Oracle EMEA , Dublin, Ireland