releases: update TiDB v3.0.17 release notes

TOC.md

@@ -519,6 +519,7 @@
     + [3.1.0-beta.1](/releases/release-3.1.0-beta.1.md)
     + [3.1.0-beta](/releases/release-3.1.0-beta.md)
   + v3.0
+    + [3.0.17](/releases/release-3.0.17.md)
     + [3.0.16](/releases/release-3.0.16.md)
     + [3.0.15](/releases/release-3.0.15.md)
     + [3.0.14](/releases/release-3.0.14.md)

releases/release-3.0.17.md

@@ -0,0 +1,46 @@
+---
+title: TiDB 3.0.17 Release Notes
+---
+
+# TiDB 3.0.17 Release Notes
+
+Release date: Aug 3, 2020
+
+TiDB version: 3.0.17
+
+## Bug Fixes
+
++ TiDB
+
+    - Return the actual error message instead of an empty set when a query which contains `IndexHashJoin` or `IndexMergeJoin` encounters a panic [#18498](https://github.com/pingcap/tidb/pull/18498)
+    - Fix the unknown column error for SQL statements like `SELECT a FROM t HAVING t.a` [#18432](https://github.com/pingcap/tidb/pull/18432)
+    - Forbid adding a primary key for a table when the table has no primary key or when the table already has an integer primary key [#18342](https://github.com/pingcap/tidb/pull/18342)
+    - Return an empty set when executing `EXPLAIN FORMAT="dot" FOR CONNECTION` [#17157](https://github.com/pingcap/tidb/pull/17157)
+    - Fix `STR_TO_DATE`'s handling for format token '%r', '%h' [#18725](https://github.com/pingcap/tidb/pull/18725)
+
++ TiKV
+
+    - Fix a bug that might read stale data during region merging [#8111](https://github.com/tikv/tikv/pull/8111)
+    - Fix memory leak during scheduling [#8355](https://github.com/tikv/tikv/pull/8355)
+
++ TiDB Lightning
+
+    - Fix the issue that the `log-file` flag is ignored [#345](https://github.com/pingcap/tidb-lightning/pull/345)
+
+## Improvements
+
++ TiDB
+
+    - Ease the impact of statistics feedback on the cluster [#18770](https://github.com/pingcap/tidb/pull/18770)
+    - Limit batch split count for one request [#18694](https://github.com/pingcap/tidb/pull/18694)
+    - Accelerate `/tiflash/replica` HTTP API when there are many history DDL jobs in the TiDB cluster [#18386](https://github.com/pingcap/tidb/pull/18386)
+    - Improve row count estimation for index equal condition [#17609](https://github.com/pingcap/tidb/pull/17609)
+    - Speed up the execution of `kill tidb conn_id` [#18506](https://github.com/pingcap/tidb/pull/18506)
+
++ TiKV
+
+    - Add the `hibernate-timeout` configuration that delays region hibernation to improve rolling update performance [#8207](https://github.com/tikv/tikv/pull/8207)
+
++ TiDB Lightning
+
+    - `[black-white-list]` has been deprecated with a newer, easier-to-understand filter format [#332](https://github.com/pingcap/tidb-lightning/pull/332)

releases/release-notes.md

@@ -30,6 +30,7 @@ aliases: ['/docs/dev/releases/release-notes/','/docs/dev/releases/rn/']
 
 ## 3.0
 
+- [3.0.17](/releases/release-3.0.17.md)
 - [3.0.16](/releases/release-3.0.16.md)
 - [3.0.15](/releases/release-3.0.15.md)
 - [3.0.14](/releases/release-3.0.14.md)