openjdk-16-ea+22 was promoted this week.

(see below)

contains:
Version string: 16-internal+0-adhoc.mach5one.open (16-internal)

Last week for openjdk-16-ea+21 we had:

16-ea+21-1209

This shows up in the javadoc visible here:
https://download.java.net/java/early_access/jdk16/docs/api/