pingcap · qiancai · Jul 14, 2026 · Jul 9, 2026 · Jul 9, 2026 · Jul 9, 2026
diff --git a/TOC-develop.md b/TOC-develop.md
@@ -52,7 +52,7 @@
       - [Rails](/develop/dev-guide-sample-application-ruby-rails.md)
     - C#
       - [C#](/develop/dev-guide-sample-application-cs.md)
-  - TiDB Cloud Serverless Driver ![BETA](/media/tidb-cloud/blank_transparent_placeholder.png)
+  - TiDB Cloud Serverless Driver ![PREVIEW](/media/tidb-cloud/blank_transparent_placeholder.png)
     - [Overview](/develop/serverless-driver.md)
     - [Node.js Example](/develop/serverless-driver-node-example.md)
     - [Prisma Example](/develop/serverless-driver-prisma-example.md)
@@ -81,7 +81,7 @@
     - [Follower Read](/develop/dev-guide-use-follower-read.md)
     - [Stale Read](/develop/dev-guide-use-stale-read.md)
   - [HTAP Queries](/develop/dev-guide-hybrid-oltp-and-olap-queries.md)
-- [Vector Search](/develop/dev-guide-vector-search.md) ![BETA](/media/tidb-cloud/blank_transparent_placeholder.png)
+- [Vector Search](/develop/dev-guide-vector-search.md) ![PREVIEW](/media/tidb-cloud/blank_transparent_placeholder.png)
 - Manage Transactions
   - [Overview](/develop/dev-guide-transaction-overview.md)
   - [Optimistic and Pessimistic Transactions](/develop/dev-guide-optimistic-and-pessimistic-transaction.md)

diff --git a/TOC-tidb-cloud-essential.md b/TOC-tidb-cloud-essential.md
@@ -137,7 +137,7 @@
     - [CSV Configurations for Importing Data](/tidb-cloud/csv-config-for-import-data.md)
     - [Troubleshoot Access Denied Errors during Data Import from Amazon S3](/tidb-cloud/troubleshoot-import-access-denied-error.md)
     - [Connect AWS DMS to TiDB Cloud](/tidb-cloud/tidb-cloud-connect-aws-dms.md)
-- Stream Data ![BETA](/media/tidb-cloud/blank_transparent_placeholder.png)
+- Stream Data ![PREVIEW](/media/tidb-cloud/blank_transparent_placeholder.png)
   - [Changefeed Overview](/tidb-cloud/essential-changefeed-overview.md)
   - [Sink to MySQL](/tidb-cloud/essential-changefeed-sink-to-mysql.md)
   - [Sink to Apache Kafka](/tidb-cloud/essential-changefeed-sink-to-kafka.md)
@@ -457,7 +457,7 @@
       - [`schema_unused_indexes`](/sys-schema/sys-schema-unused-indexes.md)
   - [Metadata Lock](/metadata-lock.md)
   - [TiDB Accelerated Table Creation](/accelerated-table-creation.md)
-- CLI Reference ![BETA](/media/tidb-cloud/blank_transparent_placeholder.png)
+- CLI Reference ![PREVIEW](/media/tidb-cloud/blank_transparent_placeholder.png)
   - [Overview](/tidb-cloud/cli-reference.md)
   - auth
     - [login](/tidb-cloud/ticloud-auth-login.md)

diff --git a/TOC-tidb-cloud-lake.md b/TOC-tidb-cloud-lake.md
@@ -36,19 +36,19 @@
   - Data Sources
     - [Overview](/tidb-cloud-lake/guides/data-sources.md)
     - [Amazon S3 - Credentials](/tidb-cloud-lake/guides/aws-credentials.md)
-    - [Amazon SQS (S3) - IAM Role](/tidb-cloud-lake/guides/amazon-sqs-s3-iam-role.md) ![BETA](/media/tidb-cloud/blank_transparent_placeholder.png)
+    - [Amazon SQS (S3) - IAM Role](/tidb-cloud-lake/guides/amazon-sqs-s3-iam-role.md) ![PREVIEW](/media/tidb-cloud/blank_transparent_placeholder.png)
     - [MySQL - Credentials](/tidb-cloud-lake/guides/mysql-credentials.md)
     - [PostgreSQL - Credentials](/tidb-cloud-lake/guides/postgresql-credentials.md)
     - [FeiShuBot](/tidb-cloud-lake/guides/feishubot.md)
-    - [Kafka - Credentials](/tidb-cloud-lake/guides/kafka-credentials.md) ![BETA](/media/tidb-cloud/blank_transparent_placeholder.png)
+    - [Kafka - Credentials](/tidb-cloud-lake/guides/kafka-credentials.md) ![PREVIEW](/media/tidb-cloud/blank_transparent_placeholder.png)
   - Integration Tasks
     - [Overview](/tidb-cloud-lake/guides/integration-tasks.md)
     - [Task Management](/tidb-cloud-lake/guides/task-management.md)
     - [Amazon S3 Integration Task](/tidb-cloud-lake/guides/integrate-with-amazon-s3.md)
-    - [Amazon SQS (S3) Integration Task](/tidb-cloud-lake/guides/integrate-with-amazon-sqs-s3.md) ![BETA](/media/tidb-cloud/blank_transparent_placeholder.png)
+    - [Amazon SQS (S3) Integration Task](/tidb-cloud-lake/guides/integrate-with-amazon-sqs-s3.md) ![PREVIEW](/media/tidb-cloud/blank_transparent_placeholder.png)
     - [MySQL Integration Task](/tidb-cloud-lake/guides/integrate-with-mysql.md)
     - [PostgreSQL Integration Task](/tidb-cloud-lake/guides/integrate-with-postgresql.md)
-    - [Kafka Consumer Integration Task](/tidb-cloud-lake/guides/integrate-with-kafka.md) ![BETA](/media/tidb-cloud/blank_transparent_placeholder.png)
+    - [Kafka Consumer Integration Task](/tidb-cloud-lake/guides/integrate-with-kafka.md) ![PREVIEW](/media/tidb-cloud/blank_transparent_placeholder.png)
 - Load Data
   - Work with Stages
     - [Stage Overview](/tidb-cloud-lake/guides/stage-overview.md)

diff --git a/TOC-tidb-cloud-starter.md b/TOC-tidb-cloud-starter.md
@@ -21,7 +21,7 @@
   - [Transactions](/tidb-cloud/transaction-concepts.md)
   - [SQL](/tidb-cloud/sql-concepts.md)
   - [AI Features](/tidb-cloud/ai-feature-concepts.md)
-  - [Data Service](/tidb-cloud/data-service-concepts.md) ![BETA](/media/tidb-cloud/blank_transparent_placeholder.png)
+  - [Data Service](/tidb-cloud/data-service-concepts.md) ![PREVIEW](/media/tidb-cloud/blank_transparent_placeholder.png)
   - [Scalability](/tidb-cloud/scalability-concepts.md)
   - [High Availability](/tidb-cloud/serverless-high-availability.md)
   - [Monitoring](/tidb-cloud/monitoring-concepts.md)
@@ -39,7 +39,7 @@
     - [Connect via Public Endpoint](/tidb-cloud/connect-via-standard-connection-serverless.md)
     - [Connect via Private Endpoint with AWS](/tidb-cloud/set-up-private-endpoint-connections-serverless.md)
     - [Connect via Private Endpoint with Alibaba Cloud](/tidb-cloud/set-up-private-endpoint-connections-on-alibaba-cloud.md)
-  - Branch ![BETA](/media/tidb-cloud/blank_transparent_placeholder.png)
+  - Branch ![PREVIEW](/media/tidb-cloud/blank_transparent_placeholder.png)
     - [Overview](/tidb-cloud/branch-overview.md)
     - [Manage Branches](/tidb-cloud/branch-manage.md)
     - [GitHub Integration](/tidb-cloud/branch-github-integration.md)
@@ -135,9 +135,9 @@
     - [Troubleshoot Access Denied Errors during Data Import from Amazon S3](/tidb-cloud/troubleshoot-import-access-denied-error.md)
     - [Connect AWS DMS to TiDB Cloud](/tidb-cloud/tidb-cloud-connect-aws-dms.md)
 - Explore Data
-  - [Chat2Query in SQL Editor](/tidb-cloud/explore-data-with-chat2query.md) ![BETA](/media/tidb-cloud/blank_transparent_placeholder.png)
+  - [Chat2Query in SQL Editor](/tidb-cloud/explore-data-with-chat2query.md) ![PREVIEW](/media/tidb-cloud/blank_transparent_placeholder.png)
   - [SQL Proxy Account](/tidb-cloud/sql-proxy-account.md)
-- Data Service ![BETA](/media/tidb-cloud/blank_transparent_placeholder.png)
+- Data Service ![PREVIEW](/media/tidb-cloud/blank_transparent_placeholder.png)
   - [Overview](/tidb-cloud/data-service-overview.md)
   - [Get Started](/tidb-cloud/data-service-get-started.md)
   - Chat2Query API
@@ -461,7 +461,7 @@
       - [`schema_unused_indexes`](/sys-schema/sys-schema-unused-indexes.md)
   - [Metadata Lock](/metadata-lock.md)
   - [TiDB Accelerated Table Creation](/accelerated-table-creation.md)
-- CLI Reference ![BETA](/media/tidb-cloud/blank_transparent_placeholder.png)
+- CLI Reference ![PREVIEW](/media/tidb-cloud/blank_transparent_placeholder.png)
   - [Overview](/tidb-cloud/cli-reference.md)
   - auth
     - [login](/tidb-cloud/ticloud-auth-login.md)

diff --git a/TOC-tidb-cloud.md b/TOC-tidb-cloud.md
@@ -20,7 +20,7 @@
   - [Transactions](/tidb-cloud/transaction-concepts.md)
   - [SQL](/tidb-cloud/sql-concepts.md)
   - [AI Features](/tidb-cloud/ai-feature-concepts.md)
-  - [Data Service](/tidb-cloud/data-service-concepts.md) ![BETA](/media/tidb-cloud/blank_transparent_placeholder.png)
+  - [Data Service](/tidb-cloud/data-service-concepts.md) ![PREVIEW](/media/tidb-cloud/blank_transparent_placeholder.png)
   - [Scalability](/tidb-cloud/scalability-concepts.md)
   - [High Availability](/tidb-cloud/high-availability-with-multi-az.md)
   - [Monitoring](/tidb-cloud/monitoring-concepts.md)
@@ -166,9 +166,9 @@
     - [Precheck Errors, Migration Errors, and Alerts for Data Migration](/tidb-cloud/tidb-cloud-dm-precheck-and-troubleshooting.md)
     - [Connect AWS DMS to TiDB Cloud](/tidb-cloud/tidb-cloud-connect-aws-dms.md)
 - Explore Data
-  - [Chat2Query in SQL Editor](/tidb-cloud/explore-data-with-chat2query.md) ![BETA](/media/tidb-cloud/blank_transparent_placeholder.png)
+  - [Chat2Query in SQL Editor](/tidb-cloud/explore-data-with-chat2query.md) ![PREVIEW](/media/tidb-cloud/blank_transparent_placeholder.png)
   - [SQL Proxy Account](/tidb-cloud/sql-proxy-account.md)
-- Data Service ![BETA](/media/tidb-cloud/blank_transparent_placeholder.png)
+- Data Service ![PREVIEW](/media/tidb-cloud/blank_transparent_placeholder.png)
   - [Overview](/tidb-cloud/data-service-overview.md)
   - [Get Started](/tidb-cloud/data-service-get-started.md)
   - Chat2Query API

diff --git a/_docHome.md b/_docHome.md
@@ -32,7 +32,7 @@ Connect your application with the languages and frameworks you prefer.
 
 </DocHomeCard>
 
-<DocHomeCard href="/ai/vector-search-overview" label="Vector Search (Beta)" icon="cloud-vector-mauve">
+<DocHomeCard href="/ai/vector-search-overview" label="Vector Search (PREVIEW)" icon="cloud-vector-mauve">
 
 Explore native support of Vector Search in {{{ .starter }}} to build your AI application.
 

diff --git a/ai/concepts/vector-search-overview.md b/ai/concepts/vector-search-overview.md
@@ -10,7 +10,7 @@ Vector search offers a powerful solution for semantic similarity searches across
 
 > **Note:**
 >
-> - The vector search feature is in beta. It might be changed without prior notice. If you find a bug, you can report an [issue](https://github.com/pingcap/tidb/issues) on GitHub.
+> - The vector search feature in public preview. It might be changed without prior notice. If you find a bug, you can report an [issue](https://github.com/pingcap/tidb/issues) on GitHub.
 > - The vector search feature is available on [TiDB Self-Managed](/overview.md) and [{{{ .starter }}}](/tidb-cloud/select-cluster-tier.md#starter). For TiDB Self-Managed, the TiDB version must be v8.4.0 or later (v8.5.0 or later is recommended).
 
 ## Concepts

diff --git a/ai/integrations/vector-search-integrate-with-amazon-bedrock.md b/ai/integrations/vector-search-integrate-with-amazon-bedrock.md
@@ -14,7 +14,7 @@ This tutorial demonstrates how to integrate [TiDB Vector Search](/ai/concepts/ve
 
 > **Note:**
 >
-> - The vector search feature is in beta. It might be changed without prior notice. If you find a bug, you can report an [issue](https://github.com/pingcap/tidb/issues) on GitHub.
+> - The vector search feature in public preview. It might be changed without prior notice. If you find a bug, you can report an [issue](https://github.com/pingcap/tidb/issues) on GitHub.
 > - The vector search feature is available on [TiDB Self-Managed](/overview.md) and [{{{ .starter }}}](/tidb-cloud/select-cluster-tier.md#starter). For TiDB Self-Managed, the TiDB version must be v8.4.0 or later (v8.5.0 or later is recommended).
 
 > **Tip**

diff --git a/ai/integrations/vector-search-integrate-with-django-orm.md b/ai/integrations/vector-search-integrate-with-django-orm.md
@@ -10,7 +10,7 @@ This tutorial walks you through how to use the [Django](https://www.djangoprojec
 
 > **Note:**
 >
-> - The vector search feature is in beta. It might be changed without prior notice. If you find a bug, you can report an [issue](https://github.com/pingcap/tidb/issues) on GitHub.
+> - The vector search feature in public preview. It might be changed without prior notice. If you find a bug, you can report an [issue](https://github.com/pingcap/tidb/issues) on GitHub.
 > - The vector search feature is available on [TiDB Self-Managed](/overview.md) and [{{{ .starter }}}](/tidb-cloud/select-cluster-tier.md#starter). For TiDB Self-Managed, the TiDB version must be v8.4.0 or later (v8.5.0 or later is recommended).
 
 ## Prerequisites

diff --git a/ai/integrations/vector-search-integrate-with-jinaai-embedding.md b/ai/integrations/vector-search-integrate-with-jinaai-embedding.md
@@ -10,7 +10,7 @@ This tutorial walks you through how to use [Jina AI](https://jina.ai/) to genera
 
 > **Note:**
 >
-> - The vector search feature is in beta. It might be changed without prior notice. If you find a bug, you can report an [issue](https://github.com/pingcap/tidb/issues) on GitHub.
+> - The vector search feature in public preview. It might be changed without prior notice. If you find a bug, you can report an [issue](https://github.com/pingcap/tidb/issues) on GitHub.
 > - The vector search feature is available on [TiDB Self-Managed](/overview.md) and [{{{ .starter }}}](/tidb-cloud/select-cluster-tier.md#starter). For TiDB Self-Managed, the TiDB version must be v8.4.0 or later (v8.5.0 or later is recommended).
 
 ## Prerequisites

diff --git a/ai/integrations/vector-search-integrate-with-langchain.md b/ai/integrations/vector-search-integrate-with-langchain.md
@@ -10,7 +10,7 @@ This tutorial demonstrates how to integrate [TiDB Vector Search](/ai/concepts/ve
 
 > **Note:**
 >
-> - The vector search feature is in beta. It might be changed without prior notice. If you find a bug, you can report an [issue](https://github.com/pingcap/tidb/issues) on GitHub.
+> - The vector search feature in public preview. It might be changed without prior notice. If you find a bug, you can report an [issue](https://github.com/pingcap/tidb/issues) on GitHub.
 > - The vector search feature is available on [TiDB Self-Managed](/overview.md) and [{{{ .starter }}}](/tidb-cloud/select-cluster-tier.md#starter). For TiDB Self-Managed, the TiDB version must be v8.4.0 or later (v8.5.0 or later is recommended).
 
 > **Tip**

diff --git a/ai/integrations/vector-search-integrate-with-llamaindex.md b/ai/integrations/vector-search-integrate-with-llamaindex.md
@@ -10,7 +10,7 @@ This tutorial demonstrates how to integrate [TiDB Vector Search](/ai/concepts/ve
 
 > **Note:**
 >
-> - The vector search feature is in beta. It might be changed without prior notice. If you find a bug, you can report an [issue](https://github.com/pingcap/tidb/issues) on GitHub.
+> - The vector search feature in public preview. It might be changed without prior notice. If you find a bug, you can report an [issue](https://github.com/pingcap/tidb/issues) on GitHub.
 > - The vector search feature is available on [TiDB Self-Managed](/overview.md) and [{{{ .starter }}}](/tidb-cloud/select-cluster-tier.md#starter). For TiDB Self-Managed, the TiDB version must be v8.4.0 or later (v8.5.0 or later is recommended).
 
 > **Tip**

diff --git a/ai/integrations/vector-search-integrate-with-peewee.md b/ai/integrations/vector-search-integrate-with-peewee.md
@@ -10,7 +10,7 @@ This tutorial walks you through how to use [peewee](https://docs.peewee-orm.com/
 
 > **Note:**
 >
-> - The vector search feature is in beta. It might be changed without prior notice. If you find a bug, you can report an [issue](https://github.com/pingcap/tidb/issues) on GitHub.
+> - The vector search feature in public preview. It might be changed without prior notice. If you find a bug, you can report an [issue](https://github.com/pingcap/tidb/issues) on GitHub.
 > - The vector search feature is available on [TiDB Self-Managed](/overview.md) and [{{{ .starter }}}](/tidb-cloud/select-cluster-tier.md#starter). For TiDB Self-Managed, the TiDB version must be v8.4.0 or later (v8.5.0 or later is recommended).
 
 ## Prerequisites

diff --git a/ai/integrations/vector-search-integrate-with-sqlalchemy.md b/ai/integrations/vector-search-integrate-with-sqlalchemy.md
@@ -10,7 +10,7 @@ This tutorial walks you through how to use [SQLAlchemy](https://www.sqlalchemy.o
 
 > **Note:**
 >
-> - The vector search feature is in beta. It might be changed without prior notice. If you find a bug, you can report an [issue](https://github.com/pingcap/tidb/issues) on GitHub.
+> - The vector search feature in public preview. It might be changed without prior notice. If you find a bug, you can report an [issue](https://github.com/pingcap/tidb/issues) on GitHub.
 > - The vector search feature is available on [TiDB Self-Managed](/overview.md) and [{{{ .starter }}}](/tidb-cloud/select-cluster-tier.md#starter). For TiDB Self-Managed, the TiDB version must be v8.4.0 or later (v8.5.0 or later is recommended).
 
 ## Prerequisites

diff --git a/ai/integrations/vector-search-integration-overview.md b/ai/integrations/vector-search-integration-overview.md
@@ -10,7 +10,7 @@ This document provides an overview of AI integrations for TiDB, including Auto E
 
 > **Note:**
 >
-> - The vector search feature is in beta. It might be changed without prior notice. If you find a bug, you can report an [issue](https://github.com/pingcap/tidb/issues) on GitHub.
+> - The vector search feature in public preview. It might be changed without prior notice. If you find a bug, you can report an [issue](https://github.com/pingcap/tidb/issues) on GitHub.
 > - The vector search feature is available on [TiDB Self-Managed](/overview.md) and [{{{ .starter }}}](/tidb-cloud/select-cluster-tier.md#starter). For TiDB Self-Managed, the TiDB version must be v8.4.0 or later (v8.5.0 or later is recommended).
 
 ## Auto Embedding

diff --git a/ai/quickstart-via-python.md b/ai/quickstart-via-python.md
@@ -17,7 +17,7 @@ By following this document, you will learn how to:
 
 > **Note:**
 >
-> - The vector search feature is in beta and might be changed without prior notice. If you find a bug, you can report an [issue](https://github.com/pingcap/tidb/issues) on GitHub.
+> - The vector search feature is in public preview and might be changed without prior notice. If you find a bug, you can report an [issue](https://github.com/pingcap/tidb/issues) on GitHub.
 > - The vector search feature is available on [TiDB Self-Managed](/overview.md) and [{{{ .starter }}}](/tidb-cloud/select-cluster-tier.md#starter). For TiDB Self-Managed, the TiDB version must be v8.4.0 or later (v8.5.0 or later is recommended).
 
 ## Prerequisites

diff --git a/ai/quickstart-via-sql.md b/ai/quickstart-via-sql.md
@@ -17,7 +17,7 @@ This document demonstrates how to get started with TiDB Vector Search just using
 
 > **Note:**
 >
-> - The vector search feature is in beta and might be changed without prior notice. If you find a bug, you can report an [issue](https://github.com/pingcap/tidb/issues) on GitHub.
+> - The vector search feature in public preview and might be changed without prior notice. If you find a bug, you can report an [issue](https://github.com/pingcap/tidb/issues) on GitHub.
 > - The vector search feature is available on [TiDB Self-Managed](/overview.md) and [{{{ .starter }}}](/tidb-cloud/select-cluster-tier.md#starter). For TiDB Self-Managed, the TiDB version must be v8.4.0 or later (v8.5.0 or later is recommended).
 
 ## Prerequisites

diff --git a/ai/reference/vector-search-data-types.md b/ai/reference/vector-search-data-types.md
@@ -10,7 +10,7 @@ A vector is a sequence of floating-point numbers, such as `[0.3, 0.5, -0.1, ...]
 
 > **Note:**
 >
-> - Vector data types are in beta and might be changed without prior notice. If you find a bug, you can report an [issue](https://github.com/pingcap/tidb/issues) on GitHub.
+> - Vector data types are in public preview and might be changed without prior notice. If you find a bug, you can report an [issue](https://github.com/pingcap/tidb/issues) on GitHub.
 > - Vector data types are available on [TiDB Self-Managed](/overview.md) and [{{{ .starter }}}](/tidb-cloud/select-cluster-tier.md#starter). For TiDB Self-Managed, the TiDB version must be v8.4.0 or later (v8.5.0 or later is recommended).
 
 The following Vector data types are currently available:

diff --git a/ai/reference/vector-search-functions-and-operators.md b/ai/reference/vector-search-functions-and-operators.md
@@ -10,7 +10,7 @@ This document lists the functions and operators available for Vector data types.
 
 > **Note:**
 >
-> - Vector functions and operators are in beta and might be changed without prior notice. If you find a bug, you can report an [issue](https://github.com/pingcap/tidb/issues) on GitHub.
+> - Vector functions and operators are in public preview and might be changed without prior notice. If you find a bug, you can report an [issue](https://github.com/pingcap/tidb/issues) on GitHub.
 > - Vector data types are available on [TiDB Self-Managed](/overview.md) and [{{{ .starter }}}](/tidb-cloud/select-cluster-tier.md#starter). For TiDB Self-Managed, the TiDB version must be v8.4.0 or later (v8.5.0 or later is recommended).
 
 ## Vector functions

diff --git a/ai/reference/vector-search-improve-performance.md b/ai/reference/vector-search-improve-performance.md
@@ -10,7 +10,7 @@ TiDB Vector Search enables you to perform Approximate Nearest Neighbor (ANN) que
 
 > **Note:**
 >
-> - The vector search feature is in beta. It might be changed without prior notice. If you find a bug, you can report an [issue](https://github.com/pingcap/tidb/issues) on GitHub.
+> - The vector search feature in public preview. It might be changed without prior notice. If you find a bug, you can report an [issue](https://github.com/pingcap/tidb/issues) on GitHub.
 > - The vector search feature is available on [TiDB Self-Managed](/overview.md) and [{{{ .starter }}}](/tidb-cloud/select-cluster-tier.md#starter). For TiDB Self-Managed, the TiDB version must be v8.4.0 or later (v8.5.0 or later is recommended).
 
 ## Add vector search index for vector columns

diff --git a/ai/reference/vector-search-index.md b/ai/reference/vector-search-index.md
@@ -12,7 +12,7 @@ To improve search efficiency, you can create vector search indexes in TiDB for a
 
 > **Note:**
 >
-> - The vector search feature is in beta. It might be changed without prior notice. If you find a bug, you can report an [issue](https://github.com/pingcap/tidb/issues) on GitHub.
+> - The vector search feature in public preview. It might be changed without prior notice. If you find a bug, you can report an [issue](https://github.com/pingcap/tidb/issues) on GitHub.
 > - The vector search feature is available on [TiDB Self-Managed](/overview.md) and [{{{ .starter }}}](/tidb-cloud/select-cluster-tier.md#starter). For TiDB Self-Managed, the TiDB version must be v8.4.0 or later (v8.5.0 or later is recommended).
 
 Currently, TiDB supports the [HNSW (Hierarchical Navigable Small World)](https://en.wikipedia.org/wiki/Hierarchical_navigable_small_world) vector search index algorithm.