On Thu, 2025-06-12 at 15:14 +0200, Pavol Sekeres wrote: > We recently updated our production database to PostgreSQL 12.22 from the 9.6.24 version. > We didn't want to make a big jump.
But you should have. v12 is out of support.
The dreaded Software Compatibility Matrix often restricts how big of a jump is possible when upgrading databases (and even Python).
Multi-phase upgrades spanning months are quite common.