Among the 10 debian patches available in version 18~rc1-2 of the package, we noticed the following issues:
commit b98d3c806b5dbc2f9c78c833b5d372b04f6f5320 Author: Christoph Berg <myon@debian.org> Date: Mon Sep 22 22:28:36 2025 +0200 PostgreSQL 18.0.