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cloud: add cloud release notes for release-20261027 - #24556
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| Layer / File(s) | Summary |
|---|---|
Availability rules and architecture tidb-cloud/serverless-high-availability.md |
The documentation specifies availability rules for Starter, Premium, and Essential instances. It also describes the regional architecture for Essential and Premium. |
Availability and pricing details tidb-cloud/releases/tidb-cloud-release-notes.md |
The release note describes Tokyo availability, Zonal and Regional options, Regional’s resilience against Availability Zone failures and higher RCU price, gradual rollout to other regions, and pricing dates based on instance creation date. |
Chat2Query support change
| Layer / File(s) | Summary |
|---|---|
Chat2Query support change tidb-cloud/releases/tidb-cloud-release-notes.md |
The release note states that Starter no longer supports Chat2Query in SQL Editor or Data Service, including the Chat2Query API. Other features remain available. |
Priority:
Estimated code review effort: 2 (Simple) | ~10 minutes
Change: Other
Possibly related PRs
- pingcap/docs#24549: Removes Chat2Query documentation for the same Starter feature retirement.
Suggested reviewers: qiancai
Merge Risk: 
00c84
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The release note is largely consistent, but it retains a grammar issue and may direct Starter users to a broken SQL Editor page.
Pre-merge checks: 
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Check name Status Explanation Title check The title clearly identifies the addition of TiDB Cloud release notes for the October 27, 2026 release. It matches the primary change. Description check The description explains the main change, identifies the affected version, and includes the related-links and change-type sections. It omits the AI agent involvement section, but the required informat… Docstring Coverage No eligible functions found in the changed files. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Documentation-only edits and deletions within survi… Linked Issues check Check skipped because no linked issues were found for this pull request. Out of Scope Changes check Check skipped because no linked issues were found for this pull request. Full details: Description check
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Explanation
The description explains the main change, identifies the affected version, and includes the related-links and change-type sections. It omits the AI agent involvement section, but the required information is otherwise mostly complete.
Full details: Docstring Coverage
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No eligible functions found in the changed files. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Documentation-only edits and deletions within surviving functions are included; unchanged diff context and fully deleted functions are excluded. Analyzed 0 functions across 0 files. (1 skipped: 1 unsupported.)
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Actionable comments posted: 2
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tidb-cloud/releases/tidb-cloud-release-notes.md-21-21: 1
21-21:Minor · Functional Correctness · Quick win
⚠️ Unverified finding
Verification ran but could not confirm this finding. It is shown for review, not as a verified issue.Document the Regional High Availability trade-offs.
The existing architecture documentation states that Regional High Availability requires application-level redundancy across zones, increases latency, and might incur cross-zone data-transfer fees. The current sentence only mentions higher cost, so it omits important operational and billing effects. (raw.githubusercontent.com)
Committable replacement
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- Source mode: Auto
- Repository: pingcap/docs
- Branch: cloud/add-release-note-20261027
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696ad98c-07a6-45cf-b579-bb0d2a5359af
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tidb-cloud/releases/tidb-cloud-release-notes.md
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| - **TiDB Cloud Starter** | ||
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| - Chat2Query is no longer supported in [SQL Editor](https://docs.pingcap.com/tidbcloud/explore-data-with-sql-editor/?plan=starter&compatibility=mysql) and [Data Service](https://docs.pingcap.com/tidbcloud/data-service-overview/?plan=starter&compatibility=mysql). |
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Actionable comments posted: 2
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- Branch: cloud/add-release-note-20261027
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ac38eca7-a39f-47c6-8599-0b9b9c07ae05
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tidb-cloud/releases/tidb-cloud-release-notes.mdtidb-cloud/serverless-high-availability.md
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Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>
What is changed, added, or deleted? (Required)
Add the October 27, 2026 TiDB Cloud release note entry for TiDB Cloud Essential regional high availability in
Tokyo (ap-northeast-1), including the related pricing effective dates.Which TiDB version(s) do your changes apply to? (Required)
What is the related PR or file link(s)?
None
Do your changes match any of the following descriptions?
Summary by CodeRabbit
ap-northeast-1), with additional regions rolling out gradually.