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releases: add TiDB release timeline (pingcap#6792)
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lilin90 authored Nov 12, 2021
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5 changes: 3 additions & 2 deletions TOC.md
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+ [Overview](/tidb-lightning/tidb-lightning-overview.md)
+ [Tutorial](/get-started-with-tidb-lightning.md)
+ [Deploy](/tidb-lightning/deploy-tidb-lightning.md)
+ [Precheck](/tidb-lightning/tidb-lightning-prechecks.md)
+ [Precheck](/tidb-lightning/tidb-lightning-prechecks.md)
+ [Configure](/tidb-lightning/tidb-lightning-configuration.md)
+ Key Features
+ [Checkpoints](/tidb-lightning/tidb-lightning-checkpoints.md)
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+ [Glossary](/glossary.md)
+ Release Notes
+ [All Releases](/releases/release-notes.md)
+ [Release Timeline](/releases/release-timeline.md)
+ v5.2
+ [5.2.2](/releases/release-5.2.2.md)
+ [5.2.2](/releases/release-5.2.2.md)
+ [5.2.1](/releases/release-5.2.1.md)
+ [5.2.0](/releases/release-5.2.0.md)
+ v5.1
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1 change: 1 addition & 0 deletions _index.md
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Expand Up @@ -17,6 +17,7 @@ Designed for the cloud, TiDB provides flexible scalability, reliability and secu
- [TiDB Introduction](/overview.md)
- [Basic Features](/basic-features.md)
- [TiDB 5.2 Release Notes](/releases/release-5.2.0.md)
- [TiDB Release Timeline](/releases/release-timeline.md)
- [Compatibility with MySQL](/mysql-compatibility.md)
- [Usage Limitations](/tidb-limitations.md)
- [TiDB Adopters](/adopters.md)
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12 changes: 6 additions & 6 deletions releases/release-5.2.2.md
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Expand Up @@ -27,18 +27,18 @@ TiDB version: 5.2.2
- Add more types of write queries to QPS dimensions in the hotspot scheduler [#3869](https://github.com/tikv/pd/issues/3869)
- Support dynamically adjusting the retry limit of the balance region scheduler to improve the performance of the scheduler [#3744](https://github.com/tikv/pd/issues/3744)
- Update TiDB Dashboard to v2021.10.08.1 [#4070](https://github.com/tikv/pd/pull/4070)
- Support that the evict leader scheduler can schedule regions with unhealthy peers [#4093](https://github.com/tikv/pd/issues/4093)
- Support that the evict leader scheduler can schedule regions with unhealthy peers [#4093](https://github.com/tikv/pd/issues/4093)
- Speed up the exit process of schedulers [#4146](https://github.com/tikv/pd/issues/4146)

+ Tools

+ TiCDC
+ TiCDC

- Reduce the default value of the Kafka sink configuration item `MaxMessageBytes` from 64 MB to 1 MB to fix the issue that large messages are rejected by the Kafka Broker [#3104](https://github.com/pingcap/ticdc/pull/3104)
- Reduce memory usage in the relpication pipeline [#2553](https://github.com/pingcap/ticdc/issues/2553)[#3037](https://github.com/pingcap/ticdc/pull/3037) [#2726](https://github.com/pingcap/ticdc/pull/2726)
- Optimize monitoring items and alert rules to improve observability of synchronous links, memory GC, and stock data scanning processes [#2735](https://github.com/pingcap/ticdc/pull/2735) [#1606](https://github.com/pingcap/ticdc/issues/1606) [#3000](https://github.com/pingcap/ticdc/pull/3000) [#2985](https://github.com/pingcap/ticdc/issues/2985) [#2156](https://github.com/pingcap/ticdc/issues/2156)
- When the sync task status is normal, no more historical error messages are displayed to avoid misleading users [#2242](https://github.com/pingcap/ticdc/issues/2242)
- Optimize monitoring items and alert rules to improve observability of synchronous links, memory GC, and stock data scanning processes [#2735](https://github.com/pingcap/ticdc/pull/2735) [#1606](https://github.com/pingcap/ticdc/issues/1606) [#3000](https://github.com/pingcap/ticdc/pull/3000) [#2985](https://github.com/pingcap/ticdc/issues/2985) [#2156](https://github.com/pingcap/ticdc/issues/2156)
- When the sync task status is normal, no more historical error messages are displayed to avoid misleading users [#2242](https://github.com/pingcap/ticdc/issues/2242)

## Bug Fixes

+ TiDB
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- Fix the issue that the scatter range scheduler cannot schedule empty regions [#4118](https://github.com/tikv/pd/pull/4118)
- Fix the issue that the key manager cost too much CPU [#4071](https://github.com/tikv/pd/issues/4071)
- Fix the data race issue that might occur when setting configurations of hot region scheduler [#4159](https://github.com/tikv/pd/issues/4159)
- Fix slow leader election caused by stucked region syncer[#3936](https://github.com/tikv/pd/issues/3936)
- Fix slow leader election caused by stuck region syncer[#3936](https://github.com/tikv/pd/issues/3936)

+ TiFlash

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4 changes: 2 additions & 2 deletions releases/release-notes.md
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Expand Up @@ -132,7 +132,7 @@ aliases: ['/docs/dev/releases/release-notes/','/docs/dev/releases/rn/']
- [2.0.3](/releases/release-2.0.3.md)
- [2.0.2](/releases/release-2.0.2.md)
- [2.0.1](/releases/release-2.0.1.md)
- [2.0](/releases/release-2.0-ga.md)
- [2.0 GA](/releases/release-2.0-ga.md)
- [2.0 RC5](/releases/release-2.0-rc.5.md)
- [2.0 RC4](/releases/release-2.0-rc.4.md)
- [2.0 RC3](/releases/release-2.0-rc.3.md)
Expand All @@ -150,7 +150,7 @@ aliases: ['/docs/dev/releases/release-notes/','/docs/dev/releases/rn/']
- [1.0.3](/releases/release-1.0.3.md)
- [1.0.2](/releases/release-1.0.2.md)
- [1.0.1](/releases/release-1.0.1.md)
- [1.0](/releases/release-1.0-ga.md)
- [1.0 GA](/releases/release-1.0-ga.md)
- [Pre-GA](/releases/release-pre-ga.md)
- [RC4](/releases/release-rc.4.md)
- [RC3](/releases/release-rc.3.md)
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2 changes: 1 addition & 1 deletion releases/release-rc.2.md
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Expand Up @@ -5,7 +5,7 @@ aliases: ['/docs/dev/releases/release-rc.2/','/docs/dev/releases/rc2/']

# TiDB RC2 Release Notes

On August 4, 2017, TiDB RC4 is released! This release is focused on the compatibility with MySQL, SQL query optimizer, system stability and performance in this version. What’s more, a new permission management mechanism is added and users can control data access in the same way as the MySQL privilege management system.
On March 1, 2017, TiDB RC2 is released! This release is focused on the compatibility with MySQL, SQL query optimizer, system stability and performance in this version. What’s more, a new permission management mechanism is added and users can control data access in the same way as the MySQL privilege management system.

## TiDB

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4 changes: 2 additions & 2 deletions releases/release-rc.3.md
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Expand Up @@ -5,14 +5,14 @@ aliases: ['/docs/dev/releases/release-rc.3/','/docs/dev/releases/rc3/']

# TiDB RC3 Release Notes

On June 20, 2017, TiDB RC4 is released!This release is focused on MySQL compatibility, SQL optimization, stability, and performance.
On June 16, 2017, TiDB RC3 is released! This release is focused on MySQL compatibility, SQL optimization, stability, and performance.

## Highlight

- The privilege management is refined to enable users to manage the data access privileges using the same way as in MySQL.
- DDL is accelerated.
- The load balancing policy and process are optimized for performance.
- TiDB Ansible is open sourced. By using TiDB-Ansilbe, you can deploy, upgrade, start and shutdown a TiDB cluster with one click.
- TiDB Ansible is open sourced. By using TiDB-Ansible, you can deploy, upgrade, start and shutdown a TiDB cluster with one click.

## Detailed updates

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136 changes: 136 additions & 0 deletions releases/release-timeline.md
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---
title: TiDB Release Timeline
summary: Learn about the TiDB release timeline.
---

# TiDB Release Timeline

This document shows all the released TiDB versions in reverse chronological order.

| Version | Release Date |
| :--- | :--- |
| [5.2.2](/releases/release-5.2.2.md) | 2021-10-29 |
| [5.1.2](/releases/release-5.1.2.md) | 2021-09-27 |
| [5.0.4](/releases/release-5.0.4.md) | 2021-09-27 |
| [4.0.15](/releases/release-4.0.15.md) | 2021-09-27 |
| [5.2.1](/releases/release-5.2.1.md) | 2021-09-09 |
| [5.2.0](/releases/release-5.2.0.md) | 2021-08-27 |
| [5.1.1](/releases/release-5.1.1.md) | 2021-07-30 |
| [4.0.14](/releases/release-4.0.14.md) | 2021-07-27 |
| [5.0.3](/releases/release-5.0.3.md) | 2021-07-02 |
| [5.1.0](/releases/release-5.1.0.md) | 2021-06-24 |
| [5.0.2](/releases/release-5.0.2.md) | 2021-06-10 |
| [4.0.13](/releases/release-4.0.13.md) | 2021-05-28 |
| [5.0.1](/releases/release-5.0.1.md) | 2021-04-24 |
| [5.0.0](/releases/release-5.0.0.md) | 2021-04-07 |
| [4.0.12](/releases/release-4.0.12.md) | 2021-04-02 |
| [4.0.11](/releases/release-4.0.11.md) | 2021-02-26 |
| [4.0.10](/releases/release-4.0.10.md) | 2021-01-15 |
| [5.0.0-rc](/releases/release-5.0.0-rc.md) | 2021-01-12 |
| [3.0.20](/releases/release-3.0.20.md) | 2020-12-25 |
| [4.0.9](/releases/release-4.0.9.md) | 2020-12-21 |
| [4.0.8](/releases/release-4.0.8.md) | 2020-10-30 |
| [4.0.7](/releases/release-4.0.7.md) | 2020-09-29 |
| [3.0.19](/releases/release-3.0.19.md) | 2020-09-25 |
| [4.0.6](/releases/release-4.0.6.md) | 2020-09-15 |
| [4.0.5](/releases/release-4.0.5.md) | 2020-08-31 |
| [3.0.18](/releases/release-3.0.18.md) | 2020-08-21 |
| [3.0.17](/releases/release-3.0.17.md) | 2020-08-03 |
| [4.0.4](/releases/release-4.0.4.md) | 2020-07-31 |
| [4.0.3](/releases/release-4.0.3.md) | 2020-07-24 |
| [3.0.16](/releases/release-3.0.16.md) | 2020-07-03 |
| [4.0.2](/releases/release-4.0.2.md) | 2020-07-01 |
| [4.0.1](/releases/release-4.0.1.md) | 2020-06-12 |
| [3.0.15](/releases/release-3.0.15.md) | 2020-06-05 |
| [3.1.2](/releases/release-3.1.2.md) | 2020-06-04 |
| [4.0.0](/releases/release-4.0-ga.md) | 2020-05-28 |
| [4.0.0-rc.2](/releases/release-4.0.0-rc.2.md) | 2020-05-15 |
| [3.0.14](/releases/release-3.0.14.md) | 2020-05-09 |
| [3.1.1](/releases/release-3.1.1.md) | 2020-04-30 |
| [4.0.0-rc.1](/releases/release-4.0.0-rc.1.md) | 2020-04-28 |
| [3.0.13](/releases/release-3.0.13.md) | 2020-04-22 |
| [3.1.0](/releases/release-3.1.0-ga.md) | 2020-04-16 |
| [4.0.0-rc](/releases/release-4.0.0-rc.md) | 2020-04-08 |
| [3.1.0-rc](/releases/release-3.1.0-rc.md) | 2020-04-02 |
| [4.0.0-beta.2](/releases/release-4.0.0-beta.2.md) | 2020-03-18 |
| [3.0.12](/releases/release-3.0.12.md) | 2020-03-16 |
| [3.1.0-beta.2](/releases/release-3.1.0-beta.2.md) | 2020-03-09 |
| [3.0.11](/releases/release-3.0.11.md) | 2020-03-04 |
| [4.0.0-beta.1](/releases/release-4.0.0-beta.1.md) | 2020-02-28 |
| [3.0.10](/releases/release-3.0.10.md) | 2020-02-20 |
| [4.0.0-beta](/releases/release-4.0.0-beta.md) | 2020-01-17 |
| [3.0.9](/releases/release-3.0.9.md) | 2020-01-14 |
| [3.1.0-beta.1](/releases/release-3.1.0-beta.1.md) | 2020-01-10 |
| [3.0.8](/releases/release-3.0.8.md) | 2019-12-31 |
| [2.1.19](/releases/release-2.1.19.md) | 2019-12-27 |
| [3.1.0-beta](/releases/release-3.1.0-beta.md) | 2019-12-20 |
| [3.0.7](/releases/release-3.0.7.md) | 2019-12-04 |
| [3.0.6](/releases/release-3.0.6.md) | 2019-11-28 |
| [2.1.18](/releases/release-2.1.18.md) | 2019-11-04 |
| [3.0.5](/releases/release-3.0.5.md) | 2019-10-25 |
| [3.0.4](/releases/release-3.0.4.md) | 2019-10-08 |
| [2.1.17](/releases/release-2.1.17.md) | 2019-09-11 |
| [3.0.3](/releases/release-3.0.3.md) | 2019-08-29 |
| [2.1.16](/releases/release-2.1.16.md) | 2019-08-15 |
| [3.0.2](/releases/release-3.0.2.md) | 2019-08-07 |
| [2.1.15](/releases/release-2.1.15.md) | 2019-07-18 |
| [3.0.1](/releases/release-3.0.1.md) | 2019-07-16 |
| [2.1.14](/releases/release-2.1.14.md) | 2019-07-04 |
| [3.0.0](/releases/release-3.0-ga.md) | 2019-06-28 |
| [3.0.0-rc.3](/releases/release-3.0.0-rc.3.md) | 2019-06-21 |
| [2.1.13](/releases/release-2.1.13.md) | 2019-06-21 |
| [2.1.12](/releases/release-2.1.12.md) | 2019-06-13 |
| [2.1.11](/releases/release-2.1.11.md) | 2019-06-03 |
| [3.0.0-rc.2](/releases/release-3.0.0-rc.2.md) | 2019-05-28 |
| [2.1.10](/releases/release-2.1.10.md) | 2019-05-22 |
| [3.0.0-rc.1](/releases/release-3.0.0-rc.1.md) | 2019-05-10 |
| [2.1.9](/releases/release-2.1.9.md) | 2019-05-06 |
| [2.1.8](/releases/release-2.1.8.md) | 2019-04-12 |
| [2.1.7](/releases/release-2.1.7.md) | 2019-03-28 |
| [3.0.0-beta.1](/releases/release-3.0.0-beta.1.md) | 2019-03-26 |
| [2.1.6](/releases/release-2.1.6.md) | 2019-03-15 |
| [2.1.5](/releases/release-2.1.5.md) | 2019-02-28 |
| [2.1.4](/releases/release-2.1.4.md) | 2019-02-15 |
| [2.1.3](/releases/release-2.1.3.md) | 2019-01-28 |
| [3.0.0-beta](/releases/release-3.0-beta.md) | 2019-01-19 |
| [2.0.11](/releases/release-2.0.11.md) | 2019-01-03 |
| [2.1.2](/releases/release-2.1.2.md) | 2018-12-22 |
| [2.0.10](/releases/release-2.0.10.md) | 2018-12-18 |
| [2.1.1](/releases/release-2.1.1.md) | 2018-12-12 |
| [2.1.0](/releases/release-2.1-ga.md) | 2018-11-30 |
| [2.0.9](/releases/release-2.0.9.md) | 2018-11-19 |
| [2.1.0-rc.5](/releases/release-2.1-rc.5.md) | 2018-11-12 |
| [2.1.0-rc.4](/releases/release-2.1-rc.4.md) | 2018-10-23 |
| [2.0.8](/releases/release-2.0.8.md) | 2018-10-16 |
| [2.1.0-rc.3](/releases/release-2.1-rc.3.md) | 2018-09-29 |
| [2.1.0-rc.2](/releases/release-2.1-rc.2.md) | 2018-09-14 |
| [2.0.7](/releases/release-2.0.7.md) | 2018-09-07 |
| [2.1.0-rc.1](/releases/release-2.1-rc.1.md) | 2018-08-24 |
| [2.0.6](/releases/release-2.0.6.md) | 2018-08-06 |
| [2.0.5](/releases/release-2.0.5.md) | 2018-07-06 |
| [2.1.0-beta](/releases/release-2.1-beta.md) | 2018-06-29 |
| [2.0.4](/releases/release-2.0.4.md) | 2018-06-15 |
| [2.0.3](/releases/release-2.0.3.md) | 2018-06-01 |
| [2.0.2](/releases/release-2.0.2.md) | 2018-05-21 |
| [2.0.1](/releases/release-2.0.1.md) | 2018-05-16 |
| [2.0.0](/releases/release-2.0-ga.md) | 2018-04-27 |
| [2.0.0-rc.5](/releases/release-2.0-rc.5.md) | 2018-04-17 |
| [2.0.0-rc.4](/releases/release-2.0-rc.4.md) | 2018-03-30 |
| [2.0.0-rc.3](/releases/release-2.0-rc.3.md) | 2018-03-23 |
| [2.0.0-rc.1](/releases/release-2.0-rc.1.md) | 2018-03-09 |
| [1.1.0-beta](/releases/release-1.1-beta.md) | 2018-02-24 |
| [1.0.8](/releases/release-1.0.8.md) | 2018-02-11 |
| [1.0.7](/releases/release-1.0.7.md) | 2018-01-22 |
| [1.1.0-alpha](/releases/release-1.1-alpha.md) | 2018-01-19 |
| [1.0.6](/releases/release-1.0.6.md) | 2018-01-08 |
| [1.0.5](/releases/release-1.0.5.md) | 2017-12-26 |
| [1.0.4](/releases/release-1.0.4.md) | 2017-12-11 |
| [1.0.3](/releases/release-1.0.3.md) | 2017-11-28 |
| [1.0.2](/releases/release-1.0.2.md) | 2017-11-13 |
| [1.0.1](/releases/release-1.0.1.md) | 2017-11-01 |
| [1.0.0](/releases/release-1.0-ga.md) | 2017-10-16 |
| [Pre-GA](/releases/release-pre-ga.md) | 2017-08-30 |
| [rc4](/releases/release-rc.4.md) | 2017-08-04 |
| [rc3](/releases/release-rc.3.md) | 2017-06-16 |
| [rc2](/releases/release-rc.2.md) | 2017-03-01 |
| [rc1](/releases/release-rc.1.md) | 2016-12-23 |

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