Debian 11 “Bullseye” has officially reached the end of its Long Term Support (LTS) lifecycle on August 31, 2026. Debian 11 was originally released on August 14, 2021, and received regular support for three years followed by two years of LTS.
With Debian 11 now EOL, users should plan to upgrade their servers to a supported release. Debian 12 “Bookworm” continues to receive LTS support until June 30, 2028.
Lifecycle Timeline
- Initial Release: August 14, 2021
- Regular