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@qiancai qiancai commented Jan 15, 2026

First-time contributors' checklist

What is changed, added or deleted? (Required)

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Tips for choosing the affected version(s):

By default, CHOOSE MASTER ONLY so your changes will be applied to the next TiDB major or minor releases. If your PR involves a product feature behavior change or a compatibility change, CHOOSE THE AFFECTED RELEASE BRANCH(ES) AND MASTER.

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@ti-chi-bot ti-chi-bot bot added missing-translation-status This PR does not have translation status info. size/XXL Denotes a PR that changes 1000+ lines, ignoring generated files. labels Jan 15, 2026
@qiancai qiancai self-assigned this Jan 15, 2026
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Summary of Changes

Hello @qiancai, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request systematically updates the TiDB Cloud documentation by archiving the 2025 release notes into a dedicated file and preparing the main release notes page for 2026. It also ensures that the FAQ section accurately reflects the most current default TiDB version for Dedicated clusters, providing a clear and up-to-date reference for users.

Highlights

  • New 2025 Release Notes Document: A new markdown file (tidb-cloud/release-notes-2025.md) has been added, consolidating all TiDB Cloud release notes for the year 2025.
  • 2026 Release Notes Initialization: The primary tidb-cloud-release-notes.md file has been updated to focus on 2026, including an initial entry for January 15, 2026, which details an upgrade of the default TiDB version for Dedicated clusters to v8.5.5.
  • FAQ Update for TiDB Versions: The tidb-cloud-faq.md file has been modified to reflect the latest default TiDB version (v8.5.5) for new Dedicated clusters, aligning with the 2026 release notes.

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@qiancai qiancai added area/tidb-cloud This PR relates to the area of TiDB Cloud. for-cloud-release This PR is related to TiDB Cloud release. translation/no-need No need to translate this PR. and removed missing-translation-status This PR does not have translation status info. labels Jan 15, 2026
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Code Review

This pull request adds a new release note for January 15, 2026, and archives the 2025 release notes into a new file. The changes are generally good, but I've identified a few areas for improvement. I've left comments regarding minor formatting issues like extra spaces in tidb-cloud/release-notes-2025.md. More importantly, in tidb-cloud-release-notes.md, there's a typo in the year, and the aliases frontmatter has been removed, which could lead to broken links. Please review the detailed comments for suggestions.


How to try it:

- From the [TiDB Cloud console](https://tidbcloud.com/), choose Alibaba Cloud as the cloud provider when creating a cluster to view the Essential option.
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low

There's a double space after provider. Please remove it for better formatting and consistency.

Suggested change
- From the [TiDB Cloud console](https://tidbcloud.com/), choose Alibaba Cloud as the cloud provider when creating a cluster to view the Essential option.
- From the [TiDB Cloud console](https://tidbcloud.com/), choose Alibaba Cloud as the cloud provider when creating a cluster to view the Essential option.


**General changes**

- For [TiDB Cloud Dedicated](/tidb-cloud/select-cluster-tier.md#tidb-cloud-dedicated) clusters, the maximum storage size of TiKV nodes with 16 vCPU and 32 vCPU is changed from **6144 GiB** to **4096 GiB**.
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There's a trailing space at the end of this line. Please remove it to maintain consistent formatting.

Suggested change
- For [TiDB Cloud Dedicated](/tidb-cloud/select-cluster-tier.md#tidb-cloud-dedicated) clusters, the maximum storage size of TiKV nodes with 16 vCPU and 32 vCPU is changed from **6144 GiB** to **4096 GiB**.
- For [TiDB Cloud Dedicated](/tidb-cloud/select-cluster-tier.md#tidb-cloud-dedicated) clusters, the maximum storage size of TiKV nodes with 16 vCPU and 32 vCPU is changed from **6144 GiB** to **4096 GiB**.


**General changes**

- [TiDB Cloud Dedicated](/tidb-cloud/select-cluster-tier.md#tidb-cloud-dedicated) on Microsoft Azure is now available in public preview.
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There's a trailing space at the end of this line. Please remove it to maintain consistent formatting.

Suggested change
- [TiDB Cloud Dedicated](/tidb-cloud/select-cluster-tier.md#tidb-cloud-dedicated) on Microsoft Azure is now available in public preview.
- [TiDB Cloud Dedicated](/tidb-cloud/select-cluster-tier.md#tidb-cloud-dedicated) on Microsoft Azure is now available in public preview.


**General changes**

- Data export to Alibaba Cloud OSS is now supported.
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There's a trailing space at the end of this line. Please remove it to maintain consistent formatting.

Suggested change
- Data export to Alibaba Cloud OSS is now supported.
- Data export to Alibaba Cloud OSS is now supported.


**General changes**

- Support creating TiDB node groups for [TiDB Cloud Dedicated](/tidb-cloud/select-cluster-tier.md#tidb-cloud-dedicated) clusters to enhance resource management flexibility.
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There's a trailing space at the end of this line. Please remove it to maintain consistent formatting.

Suggested change
- Support creating TiDB node groups for [TiDB Cloud Dedicated](/tidb-cloud/select-cluster-tier.md#tidb-cloud-dedicated) clusters to enhance resource management flexibility.
- Support creating TiDB node groups for [TiDB Cloud Dedicated](/tidb-cloud/select-cluster-tier.md#tidb-cloud-dedicated) clusters to enhance resource management flexibility.


- Support using the Debezium protocol. Debezium is a tool for capturing database changes. It converts each captured database change into a message called an event, and sends these events to Kafka. For more information, see [TiCDC Debezium Protocol](https://docs.pingcap.com/tidb/v8.1/ticdc-debezium).

- Support defining a single partition dispatcher for all tables, or different partition dispatchers for different tables.
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There's a trailing space at the end of this line. Please remove it to maintain consistent formatting.

Suggested change
- Support defining a single partition dispatcher for all tables, or different partition dispatchers for different tables.
- Support defining a single partition dispatcher for all tables, or different partition dispatchers for different tables.

@qiancai qiancai changed the title cloud: add a 20260515 release note cloud: add a 20260115 release note Jan 15, 2026
@ti-chi-bot ti-chi-bot bot added the needs-1-more-lgtm Indicates a PR needs 1 more LGTM. label Jan 15, 2026
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ti-chi-bot bot commented Jan 15, 2026

[LGTM Timeline notifier]

Timeline:

  • 2026-01-15 09:07:34.462800681 +0000 UTC m=+52882.076757547: ☑️ agreed by Oreoxmt.

@qiancai qiancai changed the title cloud: add a 20260115 release note cloud: add 20260115 release note Jan 15, 2026
@qiancai qiancai changed the title cloud: add 20260115 release note cloud: add 20260115 release notes Jan 15, 2026
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@EmmaDuDu: adding LGTM is restricted to approvers and reviewers in OWNERS files.

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qiancai commented Jan 15, 2026

/approve

@qiancai qiancai added the lgtm label Jan 15, 2026
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[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: qiancai

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@ti-chi-bot ti-chi-bot bot added the approved label Jan 15, 2026
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qiancai commented Jan 15, 2026

/retest

@qiancai qiancai merged commit 2aa4546 into pingcap:release-8.5 Jan 15, 2026
9 of 10 checks passed
@qiancai qiancai deleted the cloud-support-8.5.5 branch January 15, 2026 11:58
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