CHANGELOG: update 3.4 patch release, 3.5

Signed-off-by: Gyuho Lee <leegyuho@amazon.com>

CHANGELOG-3.3.md

@@ -21,8 +21,7 @@ See [code changes](https://github.com/etcd-io/etcd/compare/v3.3.15...v3.3.16) an
 
 ### Go
 
-- Compile with Go 1.12.9 including [*Go 1.12.8*](https://groups.google.com/d/msg/golang-announce/65QixT3tcmg/DrFiG6vvCwAJ) security fixes.
-- See [*Go 1.12 release page*](https://golang.org/doc/devel/release.html#go1.12) for more.
+- Compile with [*Go 1.12.9*](https://golang.org/doc/devel/release.html#go1.12) including [*Go 1.12.8*](https://groups.google.com/d/msg/golang-announce/65QixT3tcmg/DrFiG6vvCwAJ) security fixes.
 
 
 <hr>
@@ -45,8 +44,7 @@ NOTE: This patch release had to include some new features from 3.4, while trying
 ### Go
 
 - Require [*Go 1.12+*](https://github.com/etcd-io/etcd/pull/10045).
-- Compile with Go 1.12.9 including [*Go 1.12.8*](https://groups.google.com/d/msg/golang-announce/65QixT3tcmg/DrFiG6vvCwAJ) security fixes.
-  - See [*Go 1.12 release page*](https://golang.org/doc/devel/release.html#go1.12) for more.
+- Compile with [*Go 1.12.9*](https://golang.org/doc/devel/release.html#go1.12) including [*Go 1.12.8*](https://groups.google.com/d/msg/golang-announce/65QixT3tcmg/DrFiG6vvCwAJ) security fixes.
 
 
 <hr>
@@ -71,8 +69,7 @@ NOTE: This patch release had to include some new features from 3.4, while trying
     - Fix ["kube-apiserver 1.13.x refuses to work when first etcd-server is not available" (kubernetes#72102)](https://github.com/kubernetes/kubernetes/issues/72102).
   - [The new client balancer](https://github.com/etcd-io/etcd/blob/master/Documentation/learning/design-client.md) uses an asynchronous resolver to pass endpoints to the gRPC dial function. to block until the underlying connection is up, pass `grpc.WithBlock()` to `clientv3.Config.DialOptions`.
 - Require [*Go 1.12+*](https://github.com/etcd-io/etcd/pull/10045).
-- Compile with Go 1.12.9 including [*Go 1.12.8*](https://groups.google.com/d/msg/golang-announce/65QixT3tcmg/DrFiG6vvCwAJ) security fixes.
-  - See [*Go 1.12 release page*](https://golang.org/doc/devel/release.html#go1.12) for more.
+- Compile with [*Go 1.12.9*](https://golang.org/doc/devel/release.html#go1.12) including [*Go 1.12.8*](https://groups.google.com/d/msg/golang-announce/65QixT3tcmg/DrFiG6vvCwAJ) security fixes.
 - Migrate dependency management tool from `glide` to [Go module](https://github.com/etcd-io/etcd/pull/10063).
   - <= 3.3 puts `vendor` directory under `cmd/vendor` directory to [prevent conflicting transitive dependencies](https://github.com/etcd-io/etcd/issues/4913).
   - 3.4 moves `cmd/vendor` directory to `vendor` at repository root.
@@ -150,8 +147,8 @@ Note that any `etcd_debugging_*` metrics are experimental and subject to change.
 ### Go
 
 - Require [*Go 1.12+*](https://github.com/etcd-io/etcd/pull/10045).
-- Compile with Go 1.12.9 including [*Go 1.12.8*](https://groups.google.com/d/msg/golang-announce/65QixT3tcmg/DrFiG6vvCwAJ) security fixes.
-  - See [*Go 1.12 release page*](https://golang.org/doc/devel/release.html#go1.12) for more.
+- Compile with [*Go 1.12.9*](https://golang.org/doc/devel/release.html#go1.12) including [*Go 1.12.8*](https://groups.google.com/d/msg/golang-announce/65QixT3tcmg/DrFiG6vvCwAJ) security fixes.
+
 
 <hr>
 

CHANGELOG-3.4.md

@@ -2,14 +2,28 @@
 
 Previous change logs can be found at [CHANGELOG-3.3](https://github.com/etcd-io/etcd/blob/master/CHANGELOG-3.3.md).
 
+
+The minimum recommended etcd versions to run in **production** are 3.1.11+, 3.2.26+, and 3.3.11+.
+
+
 <hr>
 
+
 ## [v3.4.1](https://github.com/etcd-io/etcd/releases/tag/v3.4.1) (2019-TBD)
 
 See [code changes](https://github.com/etcd-io/etcd/compare/v3.4.0...v3.4.1) and [v3.4 upgrade guide](https://github.com/etcd-io/etcd/blob/master/Documentation/upgrades/upgrade_3_4.md) for any breaking changes.
 
 **Again, before running upgrades from any previous release, please make sure to read change logs below and [v3.4 upgrade guide](https://github.com/etcd-io/etcd/blob/master/Documentation/upgrades/upgrade_3_4.md).**
 
+### Metrics, Monitoring
+
+See [List of metrics](https://github.com/etcd-io/etcd/tree/master/Documentation/metrics) for all metrics per release.
+
+Note that any `etcd_debugging_*` metrics are experimental and subject to change.
+
+- Add [`etcd_debugging_mvcc_current_revision`](https://github.com/etcd-io/etcd/pull/11126) Prometheus metric.
+- Add [`etcd_debugging_mvcc_compact_revision`](https://github.com/etcd-io/etcd/pull/11126) Prometheus metric.
+
 ### etcd server
 
 - Fix [secure server logging message](https://github.com/etcd-io/etcd/commit/8b053b0f44c14ac0d9f39b9b78c17c57d47966eb).
@@ -17,8 +31,7 @@ See [code changes](https://github.com/etcd-io/etcd/compare/v3.4.0...v3.4.1) and
 
 ### Go
 
-- Compile with Go 1.12.9 including [*Go 1.12.8*](https://groups.google.com/d/msg/golang-announce/65QixT3tcmg/DrFiG6vvCwAJ) security fixes.
-- See [*Go 1.12 release page*](https://golang.org/doc/devel/release.html#go1.12) for more.
+- Compile with [*Go 1.12.9*](https://golang.org/doc/devel/release.html#go1.12) including [*Go 1.12.8*](https://groups.google.com/d/msg/golang-announce/65QixT3tcmg/DrFiG6vvCwAJ) security fixes.
 
 
 <hr>
@@ -111,7 +124,7 @@ See [code changes](https://github.com/etcd-io/etcd/compare/v3.3.0...v3.4.0) and
   - Fix [gRPC panic "send on closed channel](https://github.com/etcd-io/etcd/issues/9956).
   - [The new client balancer](https://github.com/etcd-io/etcd/blob/master/Documentation/learning/design-client.md) uses an asynchronous resolver to pass endpoints to the gRPC dial function. To block until the underlying connection is up, pass `grpc.WithBlock()` to `clientv3.Config.DialOptions`.
 - Require [*Go 1.12+*](https://github.com/etcd-io/etcd/pull/10045).
-  - Compile with Go 1.12.9 including [*Go 1.12.8*](https://groups.google.com/d/msg/golang-announce/65QixT3tcmg/DrFiG6vvCwAJ) security fixes.
+  - Compile with [*Go 1.12.9*](https://golang.org/doc/devel/release.html#go1.12) including [*Go 1.12.8*](https://groups.google.com/d/msg/golang-announce/65QixT3tcmg/DrFiG6vvCwAJ) security fixes.
 - Migrate dependency management tool from `glide` to [Go module](https://github.com/etcd-io/etcd/pull/10063).
   - <= 3.3 puts `vendor` directory under `cmd/vendor` directory to [prevent conflicting transitive dependencies](https://github.com/etcd-io/etcd/issues/4913).
   - 3.4 moves `cmd/vendor` directory to `vendor` at repository root.
@@ -620,8 +633,7 @@ Note: **v3.5 will deprecate `etcd --log-package-levels` flag for `capnslog`**; `
 ### Go
 
 - Require [*Go 1.12+*](https://github.com/etcd-io/etcd/pull/10045).
-- Compile with Go 1.12.9 including [*Go 1.12.8*](https://groups.google.com/d/msg/golang-announce/65QixT3tcmg/DrFiG6vvCwAJ) security fixes.
-  - See [*Go 1.12 release page*](https://golang.org/doc/devel/release.html#go1.12) for more.
+- Compile with [*Go 1.12.9*](https://golang.org/doc/devel/release.html#go1.12) including [*Go 1.12.8*](https://groups.google.com/d/msg/golang-announce/65QixT3tcmg/DrFiG6vvCwAJ) security fixes.
 
 ### Dockerfile
 

CHANGELOG-3.5.md

@@ -3,13 +3,20 @@
 Previous change logs can be found at [CHANGELOG-3.4](https://github.com/etcd-io/etcd/blob/master/CHANGELOG-3.4.md).
 
 
+The minimum recommended etcd versions to run in **production** are 3.1.11+, 3.2.26+, and 3.3.11+.
+
+
 <hr>
 
 
-## v3.5.0 (TBD)
+## v3.5.0 (2020 TBD)
 
 See [code changes](https://github.com/etcd-io/etcd/compare/v3.4.0...v3.5.0) and [v3.5 upgrade guide](https://github.com/etcd-io/etcd/blob/master/Documentation/upgrades/upgrade_3_5.md) for any breaking changes.
 
+- [v3.5.0](https://github.com/etcd-io/etcd/releases/tag/v3.5.0) (2020 TBD), see [code changes](https://github.com/etcd-io/etcd/compare/v3.5.0-rc.1...v3.5.0).
+- [v3.5.0-rc.1](https://github.com/etcd-io/etcd/releases/tag/v3.5.0-rc.1) (2020 TBD), see [code changes](https://github.com/etcd-io/etcd/compare/v3.5.0-rc.0...v3.5.0-rc.1).
+- [v3.5.0-rc.0](https://github.com/etcd-io/etcd/releases/tag/v3.5.0-rc.0) (2020 TBD), see [code changes](https://github.com/etcd-io/etcd/compare/v3.4.0...v3.5.0-rc.0).
+
 **Again, before running upgrades from any previous release, please make sure to read change logs below and [v3.5 upgrade guide](https://github.com/etcd-io/etcd/blob/master/Documentation/upgrades/upgrade_3_5.md).**
 
 ### Breaking Changes
@@ -67,6 +74,7 @@ Note that any `etcd_debugging_*` metrics are experimental and subject to change.
   - `etcd --enable-v2=false --enable-v2v3=/aaa` to disable v2 API server. TODO: error?
   - Automatically [create parent directory if it does not exist](https://github.com/etcd-io/etcd/pull/9626) (fix [issue#9609](https://github.com/etcd-io/etcd/issues/9609)).
   - v4.0 will configure `etcd --enable-v2=true --enable-v2v3=/aaa` to enable v2 API server that is backed by **v3 storage**.
+- Support [rollback/downgrade](TODO).
 
 ### Package `embed`
 
@@ -82,6 +90,8 @@ Note that any `etcd_debugging_*` metrics are experimental and subject to change.
 ### Go
 
 - Require [*Go 1.13+*](https://github.com/etcd-io/etcd/pull/11110).
+- Compile with [*Go 1.13*](https://golang.org/doc/devel/release.html#go1.13)
+
 
 <hr>
 

CHANGELOG-4.0.md

@@ -3,6 +3,9 @@
 Previous change logs can be found at [CHANGELOG-3.x](https://github.com/etcd-io/etcd/blob/master/CHANGELOG-3.x.md).
 
 
+The minimum recommended etcd versions to run in **production** are 3.1.11+, 3.2.26+, and 3.3.11+.
+
+
 <hr>
 
 
@@ -31,6 +34,7 @@ See [code changes](https://github.com/etcd-io/etcd/compare/v3.5.0...v4.0.0) and
   - Use [`etcd --initial-corrupt-check`](TODO) instead.
 - [`etcd --experimental-corrupt-check-time`](TODO) has been  deprecated.
   - Use [`etcd --corrupt-check-time`](TODO) instead.
+- Enable TLS 1.13, deprecate TLS cipher suites.
 
 ### etcd server
 
@@ -38,10 +42,11 @@ See [code changes](https://github.com/etcd-io/etcd/compare/v3.5.0...v4.0.0) and
   - `etcd --initial-corrupt-check=true` by default, to check cluster database hashes before serving client/peer traffic.
 - [`etcd --corrupt-check-time`](TODO) 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.
 
 ### Go
 
-- Require [*Go 2*](https://blog.golang.org/go2draft)?
+- Require [*Go 2*](https://blog.golang.org/go2draft).
 
 
 <hr>