According the latest Oracle note - Release Schedule of Current Database Releases (Doc ID 742060.1), Oracle has changed its release schedule/name since 22.214.171.124.
Oracle 126.96.36.199 = Oracle 18
Oracle 188.8.131.52 = Oracle 19
But it does say "This may change in the future to Oracle 20 as the last release for 12.2. "
You can read 2 blogs from Mike about the change: