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Azure AKS 1.31 LTS end of life

By November 2026 (Azure only names the month, so plan for the start of it): upgrade to a newer LTS. After that, Kubernetes 1.31 LTS on Azure AKS is still yours to run; it just isn't anyone's job to patch. Source: learn.microsoft.com, checked 2026-10-15.

What's retiring
Kubernetes 1.31 LTS end of life (Azure AKS)
When
November 2026 (we only have the month, so the day count runs from the 1st)
Days left
About 5 days left, as of 2026-10-27.
What happens
LTS support ends.
What to do
Upgrade to a newer LTS.
Kind of change
Kubernetes version end of life
Official source
learn.microsoft.com ↗ (last checked 2026-10-15)

Providers move dates. Check the official source before you plan a migration around this one.

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