releases: add tidb 5.0-rc release notes

TOC.md

@@ -7,8 +7,7 @@
 
 + About TiDB
   + [TiDB Introduction](/overview.md)
-  + [What's New in TiDB 4.0](/whats-new-in-tidb-4.0.md)
-  + [TiDB 4.0 Experimental Features](/experimental-features-4.0.md)
+  + [What's New in TiDB 5.0](/releases/release-5.0.0-rc.md)
   + [Basic Features](/basic-features.md)
   + Benchmarks
     + [Interaction Test on Online Workloads and `ADD INDEX`](/benchmark/online-workloads-and-add-index-operations.md)
@@ -515,6 +514,8 @@
 + Release Notes
   + [All Releases](/releases/release-notes.md)
   + [TiDB Roadmap](/roadmap.md)
+  + v5.0
+    + [5.0.0-rc](/releases/release-5.0.0-rc.md)
   + v4.0
     + [4.0.9](/releases/release-4.0.9.md)
     + [4.0.8](/releases/release-4.0.8.md)

_index.md

@@ -16,7 +16,7 @@ Designed for the cloud, TiDB provides flexible scalability, reliability and secu
 
 - [TiDB Introduction](/overview.md)
 - [Basic Features](/basic-features.md)
-- [What's New in TiDB 4.0](/whats-new-in-tidb-4.0.md)
+- [What's New in TiDB 5.0](/releases/release-5.0.0-rc.md)
 - [Compatibility with MySQL](/mysql-compatibility.md)
 - [Usage Limitations](/tidb-limitations.md)
 - [TiDB Adopters](/adopters.md)

clustered-indexes.md

@@ -5,7 +5,7 @@ summary: Learn how clustered indexes apply to TiDB.
 
 # Clustered Indexes
 
-The clustered index is an experimental feature introduced in TiDB 5.0.0-rc. This document provides multiple examples to explain how this feature makes a difference to the query performance of TiDB. To enable this feature and see the detailed operation guide, see [tidb_enable_clustered_index](/system-variables.md#tidb_enable_clustered_index).
+The clustered index is an experimental feature introduced in TiDB 5.0.0-rc. This document provides multiple examples to explain how this feature makes a difference to the query performance of TiDB. To enable this feature and see the detailed operation guide, see [tidb_enable_clustered_index](/system-variables.md#tidb_enable_clustered_index-new-in-v500-rc).
 
 Clustered indexes provide TiDB the ability to organize tables in a way that can improve the performance of certain queries. The term _clustered_ in this context refers to the _organization of how data is stored_ and not _a group of database servers working together_. Some database management systems refer to clustered indexes as _index-organized tables_ (IOT).
 

log-redaction.md

@@ -43,4 +43,4 @@ To enable log redaction in the TiKV side, set the value of [`security.redact-inf
 
 ## Log redaction in PD side
 
-To enable log redaction in the PD side, set the value of [`security.redact-info-log`](/pd-configuration-file.md#redact-info-log) to `true`. This configuration value defaults to `false`, which means that log redaction is disabled.
+To enable log redaction in the PD side, set the value of [`security.redact-info-log`](/pd-configuration-file.md#redact-info-log-new-in-v500-rc) to `true`. This configuration value defaults to `false`, which means that log redaction is disabled.

maintain-tidb-using-tiup.md

@@ -17,7 +17,7 @@ This document describes the following common operations when you operate and mai
 
 > **Note:**
 >
-> Since TiDB v4.0, PingCAP no longer provides support for TiDB Ansible. Since TiDB v5.0, PingCAP no longer provides TiDB Ansible documents. If you want to read the document that introduces how to maintain a TiDB cluster using TiDB Ansible, see [TiDB Ansible Common Operations](https://docs.pingcap.com/tidb/v4.0/maintain-tidb-using-ansible).
+> Since TiDB v4.0, PingCAP no longer provides support for TiDB Ansible. Since TiDB v5.0, PingCAP no longer provides TiDB Ansible documents. If you want to read the document that introduces how to maintain a TiDB cluster using TiDB Ansible, see [TiDB Ansible Common Operations (v4.0)](https://docs.pingcap.com/tidb/v4.0/maintain-tidb-using-ansible).
 
 ## View the cluster list
 

pd-configuration-file.md

@@ -143,7 +143,7 @@ Configuration items related to security
 + The path of the PEM file that contains the X509 key
 + Default value: ""
 
-### `redact-info-log` <!-- New in v5.0.0-rc -->
+### `redact-info-log` <span class="version-mark">New in v5.0.0-rc</span>
 
 + Controls whether to enable log redaction in the PD log.
 + When you set the configuration value to `true`, user data is redacted in the PD log.
@@ -315,7 +315,7 @@ Configuration items related to scheduling
 + Determines the maximum number of operations related to adding peers within a minute
 + Default value: `15`
 
-### `enable-joint-consensus` <!-- New in v5.0.0-rc -->
+### `enable-joint-consensus` <span class="version-mark">New in v5.0.0-rc</span>
 
 > **Warning:**
 >

production-deployment-using-tiup.md

@@ -12,7 +12,7 @@ TiUP supports deploying TiDB, TiFlash, TiDB Binlog, TiCDC, and the monitoring sy
 
 > **Note:**
 >
-> Since TiDB v4.0, PingCAP no longer provides support for TiDB Ansible. Since TiDB v5.0, PingCAP no longer provides TiDB Ansible documents. If you want to read the document that introduces how to deploy a TiDB cluster using TiDB Ansible, see [Deploy TiDB Using TiDB Ansible](https://docs.pingcap.com/tidb/v4.0/online-deployment-using-ansible).
+> Since TiDB v4.0, PingCAP no longer provides support for TiDB Ansible. Since TiDB v5.0, PingCAP no longer provides TiDB Ansible documents. If you want to read the document that introduces how to deploy a TiDB cluster using TiDB Ansible, see [Deploy TiDB Using TiDB Ansible (v4.0)](https://docs.pingcap.com/tidb/v4.0/online-deployment-using-ansible).
 
 ## Step 1: Prerequisites and precheck
 

production-offline-deployment-using-tiup.md

@@ -10,7 +10,7 @@ This document describes how to deploy a TiDB cluster offline using TiUP.
 
 > **Note:**
 >
-> Since TiDB v4.0, PingCAP no longer provides support for TiDB Ansible. Since TiDB v5.0, PingCAP no longer provides TiDB Ansible documents. If you want to read the document that introduces how to deploy a TiDB cluster using TiDB Ansible offline, see [Deploy TiDB Offline Using TiDB Ansible](https://docs.pingcap.com/tidb/v4.0/offline-deployment-using-ansible).
+> Since TiDB v4.0, PingCAP no longer provides support for TiDB Ansible. Since TiDB v5.0, PingCAP no longer provides TiDB Ansible documents. If you want to read the document that introduces how to deploy a TiDB cluster using TiDB Ansible offline, see [Deploy TiDB Offline Using TiDB Ansible (v4.0)](https://docs.pingcap.com/tidb/v4.0/offline-deployment-using-ansible).
 
 ## Step 1: Prepare the TiUP offline component package