etcd

v3.7.3Kubernetes Core

Oct 22, 2026

A maintenance release focused on correctness fixes and security dependency updates. It also deprecates one API, with no stated runtime default or configuration changes.

Action needed (2)

securitycriticalgolang.org/x/net updated for security advisories
golang.org/x/net is updated to v0.61.0 to address GO-2026-6603, GO-2026-6611, GO-2026-6612, and GO-2026-6617.
golang.org/x/net to v0.61.0 to address GO-2026-6617, GO-202…
securitylowOpenTelemetry dependencies updated for GO-2026-6505
go.opentelemetry.io/otel/sdk, go.opentelemetry.io/otel/exporters/otlp/otlptrace, and go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc are updated to v1.45.0 to address GO-2026-6505.
go.opentelemetry.io/otel/sdk, go.opentelemetry.io/otel/expo…

Plan ahead (1)

deprecatedThe NewJournalWriter API, deprecatedremoval planned in v3.8
Applies if you use NewJournalWriter.
NewJournalWriter in client/pkg/v3/logutil is deprecated and will be removed in v3.8. The removal eliminates the client/pkg/v3 dependency on github.com/coreos/go-systemd/v22.
NewJournalWriter in client/pkg/v3/logutil

All 4 other recorded changesfixes 3 · value changes 1

fixes (3)

- Fix [data race between Hash and Restore in the MVCC store](https://github.com/etcd-io/etcd/pull/22636)
- [Fix data race in keys-only RangeStream](https://github.com/etcd-io/etcd/pull/22601)
- Fix [performance regression caused by the leader sending MsgApp messages to followers in reverse order](https://github.com/etcd-io/etcd/pull/22607)

value changes (1)

- Compile binaries using [go 1.26.9](https://github.com/etcd-io/etcd/pull/22555).

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