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@@ -7,10 +7,16 @@
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- Add [`watch_id` field to `etcdserverpb.WatchCreateRequest`](https://github.com/coreos/etcd/pull/9065), allow user-provided watch ID to `mvcc`.
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- Corresponding `watch_id` is returned via `etcdserverpb.WatchResponse`, if any.
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-### Improved(`etcd/raft`)
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+### Package `raft`
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-- [Improve Raft `becomeLeader` and `stepLeader`](https://github.com/coreos/etcd/pull/9073) by keeping track of latest `pb.EntryConfChange` index.
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+- Improve [Raft `becomeLeader` and `stepLeader`](https://github.com/coreos/etcd/pull/9073) by keeping track of latest `pb.EntryConfChange` index.
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- Previously record `pendingConf` boolean field scanning the entire tail of the log, which can delay hearbeat send.
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+- Add [`raft.ErrProposalDropped`](https://github.com/coreos/etcd/pull/9067).
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+ - Now `(r *raft) Step` returns `raft.ErrProposalDropped` if a proposal has been ignored.
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+ - e.g. a node is removed from cluster, [ongoing leadership transfer](https://github.com/coreos/etcd/issues/8975), etc.
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+- Add [`raft.Node.ProposeWithCancel`](https://github.com/coreos/etcd/pull/9137).
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+ - `context.CancelFunc` is called on `raft.ErrProposalDropped`.
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+- Fix [missing learner nodes on `(n *node) ApplyConfChange`](https://github.com/coreos/etcd/pull/9116).
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## [v3.3.0](https://github.com/coreos/etcd/releases/tag/v3.3.0) (2018-01-??)
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@@ -171,7 +177,7 @@ See [code changes](https://github.com/coreos/etcd/compare/v3.2.0...v3.3.0-rc.0)
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- Fix [`Watch` API with gRPC gateway](https://github.com/coreos/etcd/issues/8237).
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- Upgrade gRPC gateway to [v1.3.0](https://github.com/coreos/etcd/issues/8838).
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-### Added(`etcd/raft`)
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+### Package `raft`
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- Add [non-voting member](https://github.com/coreos/etcd/pull/8751).
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- To implement [Raft thesis 4.2.1 Catching up new servers](https://github.com/coreos/etcd/issues/8568).
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Gyuho Lee