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c9578c41dd
Update version recommendation per the current policy. For more details, see discussions under https://github.com/etcd-io/website/pull/601 Signed-off-by: Sahdev Zala <spzala@us.ibm.com>
45 lines
2.2 KiB
Markdown
45 lines
2.2 KiB
Markdown
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Previous change logs can be found at [CHANGELOG-3.x](https://github.com/etcd-io/etcd/blob/main/CHANGELOG/CHANGELOG-3.x.md).
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<hr>
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## v4.0.0 (TBD)
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See [code changes](https://github.com/etcd-io/etcd/compare/v3.5.0...v4.0.0) and [v4.0 upgrade guide](https://etcd.io/docs/latest/upgrades/upgrade_4_0/) for any breaking changes.
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**Again, before running upgrades from any previous release, please make sure to read change logs below and [v4.0 upgrade guide](https://etcd.io/docs/latest/upgrades/upgrade_4_0/).**
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### Breaking Changes
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- [Secure etcd by default](https://github.com/etcd-io/etcd/issues/9475)?
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- Deprecate [`etcd --proxy*`](TODO) flags; **no more v2 proxy**.
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- Deprecate [v2 storage backend](https://github.com/etcd-io/etcd/issues/9232); **no more v2 store**.
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- v2 API is still supported via [v2 emulation](TODO).
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- Deprecate [`etcdctl backup`](TODO) command.
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- `clientv3.Client.KeepAlive(ctx context.Context, id LeaseID) (<-chan *LeaseKeepAliveResponse, error)` is now [`clientv4.Client.KeepAlive(ctx context.Context, id LeaseID) <-chan *LeaseKeepAliveResponse`](TODO).
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- Similar to `Watch`, [`KeepAlive` does not return errors](https://github.com/etcd-io/etcd/issues/7488).
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- If there's an unknown server error, kill all open channels and create a new stream on the next `KeepAlive` call.
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- Rename `github.com/coreos/client` to `github.com/coreos/clientv2`.
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- [`etcd --experimental-initial-corrupt-check`](TODO) has been deprecated.
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- Use [`etcd --initial-corrupt-check`](TODO) instead.
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- [`etcd --experimental-corrupt-check-time`](TODO) has been deprecated.
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- Use [`etcd --corrupt-check-time`](TODO) instead.
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- Enable TLS 1.13, deprecate TLS cipher suites.
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### etcd server
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- [`etcd --initial-corrupt-check`](TODO) flag is now stable (`etcd --experimental-initial-corrupt-check` has been deprecated).
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- `etcd --initial-corrupt-check=true` by default, to check cluster database hashes before serving client/peer traffic.
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- [`etcd --corrupt-check-time`](TODO) flag is now stable (`etcd --experimental-corrupt-check-time` has been deprecated).
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- `etcd --corrupt-check-time=12h` by default, to check cluster database hashes for every 12-hour.
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- Enable TLS 1.13, deprecate TLS cipher suites.
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### Go
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- Require [*Go 2*](https://blog.golang.org/go2draft).
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<hr>
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