Currently the latest Postgres version supported is 11.2
11.4 is the current minor and it would be great to support it in kubedb
11.5 and 10.10 were released: https://www.postgresql.org/about/news/1960/
PostgreSQL 12.1, 11.6, 10.11, 9.6.16, 9.5.20, and 9.4.25 Released! https://www.postgresql.org/about/news/1994/
This issue has been resolved in KubeDB release v2021.03.17 .
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11.5 and 10.10 were released: https://www.postgresql.org/about/news/1960/