# etcd v3.7.3

> Kubernetes Core · 2026-10-22

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
- **[security · critical]** `golang.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.
- **[security · low]** OpenTelemetry 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.

## Plan ahead
- **[deprecated]** The `NewJournalWriter` API, deprecated
  - Applies if you use `NewJournalWriter`.
  - removal planned in v3.8
  - `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`.

## Other recorded changes
- 4 (defect_corrected 3, value_changed 1)

[Full analysis](https://ratatosk.io/en/releases/etcd/v3.7.3)

[Original release notes](https://github.com/etcd-io/etcd/releases/tag/v3.7.3)