2026 is one of the most significant years for software end-of-life in recent memory. Multiple major LTS releases, widely-deployed operating systems, and enterprise-grade frameworks are all reaching the end of their support windows this year.

This is your complete reference — every major EOL event in 2026, organized by month.

Why 2026 Is a Critical Year

The 2021–2022 wave of LTS releases — Ubuntu 20.04, MariaDB 10.6, Django 4.2 — are all hitting their 5-year windows in 2025–2026. Organizations that chose LTS versions for stability are now facing simultaneous migration pressure across their entire stack.

The EOL Risk Score™ for any component scoring 76+ (Critical) means immediate action is warranted. Check any version at endoflife.ai.