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CHANGELOG-4.0.md

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Previous change logs can be found at CHANGELOG-3.x.

The minimum recommended etcd versions to run in production are 3.2.28+, 3.3.18+, and 3.4.2+.


v4.0.0 (TBD)

See code changes and v4.0 upgrade guide for any breaking changes.

Again, before running upgrades from any previous release, please make sure to read change logs below and v4.0 upgrade guide.

Breaking Changes

etcd server

  • etcd --initial-corrupt-check flag is now stable (etcd --experimental-initial-corrupt-check has been deprecated).
    • etcd --initial-corrupt-check=true by default, to check cluster database hashes before serving client/peer traffic.
  • etcd --corrupt-check-time flag is now stable (etcd --experimental-corrupt-check-time has been deprecated).
    • etcd --corrupt-check-time=12h by default, to check cluster database hashes for every 12-hour.
  • Enable TLS 1.13, deprecate TLS cipher suites.

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