Kubernetes v1.37 "Garhwal" Released
The release ships 67 enhancements, including a fully stable watch-cache initialization path for the API server.
The Kubernetes project released v1.37, code-named "Garhwal" after the Himalayan region in Uttarakhand, India, on August 26, 2026. The release follows KubeCon Japan, held July 28–30, and carries 67 total enhancements: 16 graduating to Stable, 23 to Beta, and 27 entering Alpha, alongside one deprecation.
The most notable Stable graduation is Resilient Watchcache Initialization, which finishes work that began when the underlying feature gate reached Stable back in v1.34. With `WatchCacheInitializationPostStartHook` now generally available, the API server's watch cache initializes more reliably, which matters most for clusters that have run into API server startup issues under load.
Two other Beta graduations stand out. Kubelet-in-UserNS, also known as rootless mode, reaches Beta after more than five years of development, letting every core Kubernetes component run as a non-root user on the host rather than requiring root privileges — a meaningful hardening step for security-conscious clusters. Memory QoS support for clusters running cgroups v2 also reaches Beta and is now enabled by default, giving the kubelet finer-grained control over how memory limits and requests translate into actual cgroup behavior.
As with every release, v1.37 also carries forward deprecation warnings that cluster operators need to plan around: `kubectl run --filename` is being deprecated, static pods can no longer reference Secrets or ConfigMaps, `ipvs` mode in kube-proxy continues a multi-release deprecation path, and cgroup v1 support keeps moving toward eventual removal.
Kubernetes ships a release roughly every three to four months, and each one follows the same graduation pattern: an idea starts as an Alpha feature gate that operators have to opt into, moves to Beta once it has enough real-world testing to be safer as a default, and finally reaches Stable once the project is confident enough to guarantee its behavior long-term. The Kubernetes release blog is the authoritative source for the full list of Stable, Beta, and Alpha features in any given release, along with upgrade notes for cluster operators planning a version bump.
Source: Kubernetes Blog — v1.37 Release