JDK 11 , JDK 12 and JDK 8u192 Early Access builds are available on jdk.java.net
Hi Robert ,
*JDK 11 Early Access build 25 is available at : - **jdk.java.net/11/*
* *JDK 11 entered Rampdown Phase 2 on 26-July *
o The overall feature set is frozen. No further JEPs will be
targeted to this release.
o We now turn our focus to P1 and P2 bugs.
* Release notes are available here 
*JDK 12 Early Access build 05 is available at : - **jdk.java.net/12/*