Ubuntu 25.10 loses security patches July 9, 2026. Here's the do-release-upgrade playbook to 26.04 LTS, what breaks, and how to roll back if it goes wrong.

MariaDB 10.6 loses security patches July 6, 2026. Here's how to pick between 10.11, 11.4, and 11.8 — and the optimizer rewrite that breaks query plans.