Kernel SRU schedule & status
Stable and Security SRU cycle dates for all Ubuntu kernels - covering all supported releases and flavours. Includes submission deadlines for NVIDIA graphics drivers and OEM kernels.
Upcoming release
Stonking Stingray 26.10 will be based on the upstream 7.2 kernel. Read the announcement on Discourse.
SRU cycles schedule
The schedule below applies to all Ubuntu kernels across all supported releases - not just the latest kernel version. For full per-kernel state, see the Kernel Stable Board.
Stable Updates Cycles
| Milestone |
2026年05月18日
5 weeks
|
2026年06月22日 NOW
4 weeks
|
2026年08月03日
4 weeks
|
|---|---|---|---|
| Last day - kernel patches & NVIDIA graphics drivers NVIDIA |
13-May | 17-Jun | 29-Jul |
| Last day - kernel patches OEM kernels | 22-May | 26-Jun | 07-Aug |
| Kernel prep & testing weeks | 18-May → 19-Jun | 22-Jun → 17-Jul | 03-Aug → 28-Aug |
Release to -updates |
Week of 22-Jun | Week of 20-Jul | Week of 31-Aug |
Security Updates Cycles
| Milestone |
s2026.05.18
1 week
|
s2026.06.22 NOW
2 weeks
|
s2026.07.06
2 weeks
|
|---|---|---|---|
| Last day - kernel patches | 13-Jun | 15-Jul | 29-Jul |
| Last day - kernel patches OEM kernels | 15-Jun | 17-Jul | 31-Jul |
| Kernel prep & testing weeks | 18-Jun → 19-Jun | 20-Jul → 31-Jul | 03-Aug → 14-Aug |
Release to -updates |
Week of 22-Jun | Week of 03-Aug | Week of 17-Aug |
All dates are tentative and are subject to change. Subscribe to Discourse · Kernel SRU topic to stay up-to-date.