From e2a340c8feca7183367d1e8028bb5feb41e52941 Mon Sep 17 00:00:00 2001
From: TomShawn <1135243111@qq.com>
Date: Thu, 30 Apr 2020 16:57:31 +0800
Subject: [PATCH 1/5] releases: add deprecated note in titles

---
 releases/3.0.10.md       | 4 ++--
 releases/3.0.11.md       | 4 ++--
 releases/3.0.12.md       | 4 ++--
 releases/3.0.9.md        | 4 ++--
 releases/3.1.0-beta.2.md | 4 ++--
 releases/3.1.0-ga.md     | 4 ++--
 releases/3.1.0-rc.md     | 4 ++--
 releases/4.0.0-rc.md     | 4 ++--
 8 files changed, 16 insertions(+), 16 deletions(-)

diff --git a/releases/3.0.10.md b/releases/3.0.10.md
index 311433422ddd..b8b288c00b98 100644
--- a/releases/3.0.10.md
+++ b/releases/3.0.10.md
@@ -1,9 +1,9 @@
 ---
-title: TiDB 3.0.10 Release Notes
+title: TiDB 3.0.10 Release Notes (deprecated)
 category: Releases
 ---
 
-# TiDB 3.0.10 Release Notes
+# TiDB 3.0.10 Release Notes (deprecated)
 
 Release date: February 20, 2020
 
diff --git a/releases/3.0.11.md b/releases/3.0.11.md
index 72f7a9ed917f..b91d42f42814 100644
--- a/releases/3.0.11.md
+++ b/releases/3.0.11.md
@@ -1,9 +1,9 @@
 ---
-title: TiDB 3.0.11 Release Notes
+title: TiDB 3.0.11 Release Notes (deprecated)
 category: Releases
 ---
 
-# TiDB 3.0.11 Release Notes
+# TiDB 3.0.11 Release Notes (deprecated)
 
 Release date: March 4, 2020
 
diff --git a/releases/3.0.12.md b/releases/3.0.12.md
index d66aac764503..c98d8bc39304 100644
--- a/releases/3.0.12.md
+++ b/releases/3.0.12.md
@@ -1,9 +1,9 @@
 ---
-title: TiDB 3.0.12 Release Notes
+title: TiDB 3.0.12 Release Notes (deprecated)
 category: Releases
 ---
 
-# TiDB 3.0.12 Release Notes
+# TiDB 3.0.12 Release Notes (deprecated)
 
 Release date: March 16, 2020
 
diff --git a/releases/3.0.9.md b/releases/3.0.9.md
index 3a16f4e3080e..a0184551f41e 100644
--- a/releases/3.0.9.md
+++ b/releases/3.0.9.md
@@ -1,9 +1,9 @@
 ---
-title: TiDB 3.0.9 Release Notes
+title: TiDB 3.0.9 Release Notes (deprecated)
 category: Releases
 ---
 
-# TiDB 3.0.9 Release Notes
+# TiDB 3.0.9 Release Notes (deprecated)
 
 Release date: January 14, 2020
 
diff --git a/releases/3.1.0-beta.2.md b/releases/3.1.0-beta.2.md
index 6e4eab5abd16..b0e123958dee 100644
--- a/releases/3.1.0-beta.2.md
+++ b/releases/3.1.0-beta.2.md
@@ -1,9 +1,9 @@
 ---
-title: TiDB 3.1 Beta.2 Release Notes
+title: TiDB 3.1 Beta.2 Release Notes (deprecated)
 category: Releases
 ---
 
-# TiDB 3.1 Beta.2 Release Notes
+# TiDB 3.1 Beta.2 Release Notes (deprecated)
 
 Release date: March 9, 2020
 
diff --git a/releases/3.1.0-ga.md b/releases/3.1.0-ga.md
index ffce3c9e4b19..cb29159226dd 100644
--- a/releases/3.1.0-ga.md
+++ b/releases/3.1.0-ga.md
@@ -1,9 +1,9 @@
 ---
-title: TiDB 3.1.0 GA Release Notes
+title: TiDB 3.1.0 GA Release Notes (deprecated)
 category: Releases
 ---
 
-# TiDB 3.1.0 GA Release Notes
+# TiDB 3.1.0 GA Release Notes (deprecated)
 
 Release date: April 16, 2020
 
diff --git a/releases/3.1.0-rc.md b/releases/3.1.0-rc.md
index 0ceda2fc1def..fb230a2f826d 100644
--- a/releases/3.1.0-rc.md
+++ b/releases/3.1.0-rc.md
@@ -1,9 +1,9 @@
 ---
-title: TiDB 3.1 RC Release Notes
+title: TiDB 3.1 RC Release Notes (deprecated)
 category: Releases
 ---
 
-# TiDB 3.1 RC Release Notes
+# TiDB 3.1 RC Release Notes (deprecated)
 
 Release date: April 2, 2020
 
diff --git a/releases/4.0.0-rc.md b/releases/4.0.0-rc.md
index 5e70c5f59818..0ab7db7243f2 100644
--- a/releases/4.0.0-rc.md
+++ b/releases/4.0.0-rc.md
@@ -1,9 +1,9 @@
 ---
-title: TiDB 4.0 RC Release Notes
+title: TiDB 4.0 RC Release Notes (deprecated)
 category: Releases
 ---
 
-# TiDB 4.0 RC Release Notes
+# TiDB 4.0 RC Release Notes (deprecated)
 
 Release date: April 8, 2020
 

From b6a4f674fccef851fecafdb330d091d717628939 Mon Sep 17 00:00:00 2001
From: TomShawn <1135243111@qq.com>
Date: Thu, 30 Apr 2020 17:26:23 +0800
Subject: [PATCH 2/5] address comments

---
 releases/3.0.10.md       | 4 ++++
 releases/3.0.11.md       | 4 ++++
 releases/3.0.12.md       | 4 ++++
 releases/3.0.9.md        | 4 ++++
 releases/3.1.0-beta.2.md | 4 ++++
 releases/3.1.0-ga.md     | 4 ++--
 releases/3.1.0-rc.md     | 4 ++++
 releases/4.0.0-rc.md     | 4 ++++
 8 files changed, 30 insertions(+), 2 deletions(-)

diff --git a/releases/3.0.10.md b/releases/3.0.10.md
index b8b288c00b98..18866a24864a 100644
--- a/releases/3.0.10.md
+++ b/releases/3.0.10.md
@@ -11,6 +11,10 @@ TiDB version: 3.0.10
 
 TiDB Ansible version: 3.0.10
 
+> **Note:**
+>
+> This version is deprecated.
+
 ## TiDB
 
 - Fix wrong `Join` results when `IndexLookUpJoin` uses `OtherCondition` to construct `InnerRange` [#14599](https://github.com/pingcap/tidb/pull/14599)
diff --git a/releases/3.0.11.md b/releases/3.0.11.md
index b91d42f42814..202fb28ab348 100644
--- a/releases/3.0.11.md
+++ b/releases/3.0.11.md
@@ -11,6 +11,10 @@ TiDB version: 3.0.11
 
 TiDB Ansible version: 3.0.11
 
+> **Note:**
+>
+> This version is deprecated.
+
 ## Compatibility Changes
 
 * TiDB
diff --git a/releases/3.0.12.md b/releases/3.0.12.md
index c98d8bc39304..f9d75a5913c5 100644
--- a/releases/3.0.12.md
+++ b/releases/3.0.12.md
@@ -11,6 +11,10 @@ TiDB version: 3.0.12
 
 TiDB Ansible version: 3.0.12
 
+> **Note:**
+>
+> This version is deprecated.
+
 ## Compatibility Changes
 
 + TiDB
diff --git a/releases/3.0.9.md b/releases/3.0.9.md
index a0184551f41e..b7bdda106591 100644
--- a/releases/3.0.9.md
+++ b/releases/3.0.9.md
@@ -11,6 +11,10 @@ TiDB version: 3.0.9
 
 TiDB Ansible version: 3.0.9
 
+> **Note:**
+>
+> This version is deprecated.
+
 ## TiDB
 
 + Executor
diff --git a/releases/3.1.0-beta.2.md b/releases/3.1.0-beta.2.md
index b0e123958dee..72283c5ecfd5 100644
--- a/releases/3.1.0-beta.2.md
+++ b/releases/3.1.0-beta.2.md
@@ -11,6 +11,10 @@ TiDB version: 3.1.0-beta.2
 
 TiDB Ansible version: 3.1.0-beta.2
 
+> **Note:**
+>
+> This version is deprecated.
+
 ## Compatibility Changes
 
 + Tools
diff --git a/releases/3.1.0-ga.md b/releases/3.1.0-ga.md
index cb29159226dd..ffce3c9e4b19 100644
--- a/releases/3.1.0-ga.md
+++ b/releases/3.1.0-ga.md
@@ -1,9 +1,9 @@
 ---
-title: TiDB 3.1.0 GA Release Notes (deprecated)
+title: TiDB 3.1.0 GA Release Notes
 category: Releases
 ---
 
-# TiDB 3.1.0 GA Release Notes (deprecated)
+# TiDB 3.1.0 GA Release Notes
 
 Release date: April 16, 2020
 
diff --git a/releases/3.1.0-rc.md b/releases/3.1.0-rc.md
index fb230a2f826d..66934b62d3c3 100644
--- a/releases/3.1.0-rc.md
+++ b/releases/3.1.0-rc.md
@@ -11,6 +11,10 @@ TiDB version: 3.1.0-rc
 
 TiDB Ansible version: 3.1.0-rc
 
+> **Note:**
+>
+> This version is deprecated.
+
 ## New Features
 
 + TiDB
diff --git a/releases/4.0.0-rc.md b/releases/4.0.0-rc.md
index 0ab7db7243f2..82a988066e09 100644
--- a/releases/4.0.0-rc.md
+++ b/releases/4.0.0-rc.md
@@ -11,6 +11,10 @@ TiDB version: 4.0.0-rc
 
 TiUP version: 0.0.3
 
+> **Note:**
+>
+> This version is deprecated.
+
 ## Compatibility Changes
 
 + TiDB

From 99dd2b32f004a5de8468eb114997c8f06a78d756 Mon Sep 17 00:00:00 2001
From: TomShawn <1135243111@qq.com>
Date: Thu, 30 Apr 2020 18:04:07 +0800
Subject: [PATCH 3/5] change note to warning

---
 releases/3.0.10.md       | 2 +-
 releases/3.0.11.md       | 2 +-
 releases/3.0.12.md       | 2 +-
 releases/3.0.9.md        | 2 +-
 releases/3.1.0-beta.2.md | 2 +-
 releases/3.1.0-rc.md     | 2 +-
 releases/4.0.0-rc.md     | 2 +-
 7 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/releases/3.0.10.md b/releases/3.0.10.md
index 18866a24864a..6dce9db8ce47 100644
--- a/releases/3.0.10.md
+++ b/releases/3.0.10.md
@@ -11,7 +11,7 @@ TiDB version: 3.0.10
 
 TiDB Ansible version: 3.0.10
 
-> **Note:**
+> **Warning:**
 >
 > This version is deprecated.
 
diff --git a/releases/3.0.11.md b/releases/3.0.11.md
index 202fb28ab348..66e4de54ca52 100644
--- a/releases/3.0.11.md
+++ b/releases/3.0.11.md
@@ -11,7 +11,7 @@ TiDB version: 3.0.11
 
 TiDB Ansible version: 3.0.11
 
-> **Note:**
+> **Warning:**
 >
 > This version is deprecated.
 
diff --git a/releases/3.0.12.md b/releases/3.0.12.md
index f9d75a5913c5..1a8ae15cf6a5 100644
--- a/releases/3.0.12.md
+++ b/releases/3.0.12.md
@@ -11,7 +11,7 @@ TiDB version: 3.0.12
 
 TiDB Ansible version: 3.0.12
 
-> **Note:**
+> **Warning:**
 >
 > This version is deprecated.
 
diff --git a/releases/3.0.9.md b/releases/3.0.9.md
index b7bdda106591..729bd39e48e9 100644
--- a/releases/3.0.9.md
+++ b/releases/3.0.9.md
@@ -11,7 +11,7 @@ TiDB version: 3.0.9
 
 TiDB Ansible version: 3.0.9
 
-> **Note:**
+> **Warning:**
 >
 > This version is deprecated.
 
diff --git a/releases/3.1.0-beta.2.md b/releases/3.1.0-beta.2.md
index 72283c5ecfd5..0375bef93e24 100644
--- a/releases/3.1.0-beta.2.md
+++ b/releases/3.1.0-beta.2.md
@@ -11,7 +11,7 @@ TiDB version: 3.1.0-beta.2
 
 TiDB Ansible version: 3.1.0-beta.2
 
-> **Note:**
+> **Warning:**
 >
 > This version is deprecated.
 
diff --git a/releases/3.1.0-rc.md b/releases/3.1.0-rc.md
index 66934b62d3c3..c65aabbec939 100644
--- a/releases/3.1.0-rc.md
+++ b/releases/3.1.0-rc.md
@@ -11,7 +11,7 @@ TiDB version: 3.1.0-rc
 
 TiDB Ansible version: 3.1.0-rc
 
-> **Note:**
+> **Warning:**
 >
 > This version is deprecated.
 
diff --git a/releases/4.0.0-rc.md b/releases/4.0.0-rc.md
index 82a988066e09..b57defb00ba6 100644
--- a/releases/4.0.0-rc.md
+++ b/releases/4.0.0-rc.md
@@ -11,7 +11,7 @@ TiDB version: 4.0.0-rc
 
 TiUP version: 0.0.3
 
-> **Note:**
+> **Warning:**
 >
 > This version is deprecated.
 

From d23c9c935c874affb4af577a3b55c945ffe648cf Mon Sep 17 00:00:00 2001
From: TomShawn <1135243111@qq.com>
Date: Sat, 9 May 2020 20:58:46 +0800
Subject: [PATCH 4/5] remove "deprecated" and add explanation

---
 releases/3.0.10.md       | 6 +++---
 releases/3.0.11.md       | 6 +++---
 releases/3.0.12.md       | 6 +++---
 releases/3.0.9.md        | 6 +++---
 releases/3.1.0-beta.2.md | 6 +++---
 releases/3.1.0-rc.md     | 6 +++---
 releases/4.0.0-rc.md     | 6 +++---
 7 files changed, 21 insertions(+), 21 deletions(-)

diff --git a/releases/3.0.10.md b/releases/3.0.10.md
index 6dce9db8ce47..433dc909b496 100644
--- a/releases/3.0.10.md
+++ b/releases/3.0.10.md
@@ -1,9 +1,9 @@
 ---
-title: TiDB 3.0.10 Release Notes (deprecated)
+title: TiDB 3.0.10 Release Notes
 category: Releases
 ---
 
-# TiDB 3.0.10 Release Notes (deprecated)
+# TiDB 3.0.10 Release Notes
 
 Release date: February 20, 2020
 
@@ -13,7 +13,7 @@ TiDB Ansible version: 3.0.10
 
 > **Warning:**
 >
-> This version is deprecated.
+> Some known issues are found in this version, and these issues are fixed in new versions. It is recommended that you use the latest 3.0.x version.
 
 ## TiDB
 
diff --git a/releases/3.0.11.md b/releases/3.0.11.md
index 66e4de54ca52..14e036834eee 100644
--- a/releases/3.0.11.md
+++ b/releases/3.0.11.md
@@ -1,9 +1,9 @@
 ---
-title: TiDB 3.0.11 Release Notes (deprecated)
+title: TiDB 3.0.11 Release Notes
 category: Releases
 ---
 
-# TiDB 3.0.11 Release Notes (deprecated)
+# TiDB 3.0.11 Release Notes
 
 Release date: March 4, 2020
 
@@ -13,7 +13,7 @@ TiDB Ansible version: 3.0.11
 
 > **Warning:**
 >
-> This version is deprecated.
+> Some known issues are found in this version, and these issues are fixed in new versions. It is recommended that you use the latest 3.0.x version.
 
 ## Compatibility Changes
 
diff --git a/releases/3.0.12.md b/releases/3.0.12.md
index 1a8ae15cf6a5..d579313ce425 100644
--- a/releases/3.0.12.md
+++ b/releases/3.0.12.md
@@ -1,9 +1,9 @@
 ---
-title: TiDB 3.0.12 Release Notes (deprecated)
+title: TiDB 3.0.12 Release Notes
 category: Releases
 ---
 
-# TiDB 3.0.12 Release Notes (deprecated)
+# TiDB 3.0.12 Release Notes
 
 Release date: March 16, 2020
 
@@ -13,7 +13,7 @@ TiDB Ansible version: 3.0.12
 
 > **Warning:**
 >
-> This version is deprecated.
+> Some known issues are found in this version, and these issues are fixed in new versions. It is recommended that you use the latest 3.0.x version.
 
 ## Compatibility Changes
 
diff --git a/releases/3.0.9.md b/releases/3.0.9.md
index 729bd39e48e9..86252b0a0684 100644
--- a/releases/3.0.9.md
+++ b/releases/3.0.9.md
@@ -1,9 +1,9 @@
 ---
-title: TiDB 3.0.9 Release Notes (deprecated)
+title: TiDB 3.0.9 Release Notes
 category: Releases
 ---
 
-# TiDB 3.0.9 Release Notes (deprecated)
+# TiDB 3.0.9 Release Notes
 
 Release date: January 14, 2020
 
@@ -13,7 +13,7 @@ TiDB Ansible version: 3.0.9
 
 > **Warning:**
 >
-> This version is deprecated.
+> Some known issues are found in this version, and these issues are fixed in new versions. It is recommended that you use the latest 3.0.x version.
 
 ## TiDB
 
diff --git a/releases/3.1.0-beta.2.md b/releases/3.1.0-beta.2.md
index 0375bef93e24..d25e0be15b57 100644
--- a/releases/3.1.0-beta.2.md
+++ b/releases/3.1.0-beta.2.md
@@ -1,9 +1,9 @@
 ---
-title: TiDB 3.1 Beta.2 Release Notes (deprecated)
+title: TiDB 3.1 Beta.2 Release Notes
 category: Releases
 ---
 
-# TiDB 3.1 Beta.2 Release Notes (deprecated)
+# TiDB 3.1 Beta.2 Release Notes
 
 Release date: March 9, 2020
 
@@ -13,7 +13,7 @@ TiDB Ansible version: 3.1.0-beta.2
 
 > **Warning:**
 >
-> This version is deprecated.
+> Some known issues are found in this version, and these issues are fixed in new versions. It is recommended that you use the latest 3.1.x version.
 
 ## Compatibility Changes
 
diff --git a/releases/3.1.0-rc.md b/releases/3.1.0-rc.md
index c65aabbec939..dbb32556024e 100644
--- a/releases/3.1.0-rc.md
+++ b/releases/3.1.0-rc.md
@@ -1,9 +1,9 @@
 ---
-title: TiDB 3.1 RC Release Notes (deprecated)
+title: TiDB 3.1 RC Release Notes
 category: Releases
 ---
 
-# TiDB 3.1 RC Release Notes (deprecated)
+# TiDB 3.1 RC Release Notes
 
 Release date: April 2, 2020
 
@@ -13,7 +13,7 @@ TiDB Ansible version: 3.1.0-rc
 
 > **Warning:**
 >
-> This version is deprecated.
+> Some known issues are found in this version, and these issues are fixed in new versions. It is recommended that you use the latest 3.1.x version.
 
 ## New Features
 
diff --git a/releases/4.0.0-rc.md b/releases/4.0.0-rc.md
index b57defb00ba6..30007292b939 100644
--- a/releases/4.0.0-rc.md
+++ b/releases/4.0.0-rc.md
@@ -1,9 +1,9 @@
 ---
-title: TiDB 4.0 RC Release Notes (deprecated)
+title: TiDB 4.0 RC Release Notes
 category: Releases
 ---
 
-# TiDB 4.0 RC Release Notes (deprecated)
+# TiDB 4.0 RC Release Notes
 
 Release date: April 8, 2020
 
@@ -13,7 +13,7 @@ TiUP version: 0.0.3
 
 > **Warning:**
 >
-> This version is deprecated.
+> Some known issues are found in this version, and these issues are fixed in new versions. It is recommended that you use the latest 4.0.x version.
 
 ## Compatibility Changes
 

From eae11bf964e37316889411c9319497382e3a6266 Mon Sep 17 00:00:00 2001
From: TomShawn <1135243111@qq.com>
Date: Sat, 9 May 2020 21:01:49 +0800
Subject: [PATCH 5/5] Update date-and-time.md

---
 reference/sql/data-types/date-and-time.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/reference/sql/data-types/date-and-time.md b/reference/sql/data-types/date-and-time.md
index e147c9526cf7..d30f59ba1b28 100644
--- a/reference/sql/data-types/date-and-time.md
+++ b/reference/sql/data-types/date-and-time.md
@@ -76,6 +76,8 @@ Different types of zero value are shown in the following table:
 
 Invalid `DATE`, `DATETIME`, `TIMESTAMP` values are automatically converted to the corresponding type of zero value ( '0000-00-00' or '0000-00-00 00:00:00' ) if the SQL mode permits such usage.
 
+<!-- markdownlint-disable MD001 -->
+
 ### Automatic initialization and update of `TIMESTAMP` and `DATETIME`
 
 Columns with `TIMESTAMP` or `DATETIME` value type can be automatically initialized or updated to the current time.