Kernel SRU Cycles

Stable Updates Cycles

		2025.11.17 (8 weeks)			2026.01.12 (4 weeks)			2026.02.09 (4 weeks)
Last day for kernel patches and NVIDIA graphics drivers			No SRU Cycle!			07-Jan			04-Feb
Last day for kernel patches (OEM kernels)			Test kernels			16-Jan			13-Feb
Kernel prep and testing weeks			only		12-Jan	06-Feb		09-Feb	06-Mar
Release to -updates						Week of 09-Feb			Week of 09-Mar

Security Updates Cycles

		s2025.10.13 (2 weeks)			s2025.11.17 (2 weeks)			s2026.01.12 (2 weeks)
Last day for kernel patches			12-Nov			07-Jan			04-Feb
Last day for kernel patches (OEM kernels)			14-Nov			09-Jan			06-Feb
Kernel prep and testing weeks		17-Nov	28-Nov		12-Jan	23-Jan		09-Feb	20-Feb
Release to -updates			Week of 01-Dec			Week of 26-Jan			Week of 23-Feb

All dates are tentative and are subject to change. For more information and updates, check the Kernel SRU topic on Ubuntu Discourse.

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