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# Release History

## V2.0.11

> Release Date: 2026.09.11

V2.0.11 enhances query, storage, computation, region management, and high-availability capabilities. It also introduces the Edge edition, adds client support, raises the minimum JDK requirement, and updates third-party dependencies. The specific release contents are as follows:

* **Storage Module**: `SHOW TIMESERIES` now supports sorting by measurement name
* **Query Module**: Supports query SQL statements containing only a `SELECT` clause
* **Query Module**: Added the `COUNT DATABASE` statement for the table model
* **Query Module**: `EXPLAIN [ANALYZE]` now supports JSON output
* **Query Module**: Supports writing query results to a TsFile at a specified path using SQL
* **Computation Module**: Added an `InternalSession` interface to the UDF API
* **Computation Module**: Added support for backward fill
* **Computation Module**: `GROUP BY` and `ORDER BY` now support aliases defined with `AS` in the `SELECT` list
* **Miscellaneous**: Supports manually repairing partitioned tables using SQL
* **Miscellaneous**: `EXTEND REGION` and `REMOVE REGION` now accept a list of `regionId` values to process multiple Regions in one operation
* **High Availability**: Added high-availability support for table management, device management, writable view management, TTL management, database management, and user permission management
* **Client**: Added a Node.js client, supporting 2.x versions only
* **Edge Edition**: Introduced an Edge edition for low-memory devices, capping CN and DN memory at 512 MB and targeting read/write workloads of approximately 10,000 measurements at 1 Hz. The first version uses JVM and default configuration adjustments; future versions may evolve toward a fused CN and DN architecture
* **JDK**: The minimum requirement is now JDK 17, and third-party dependencies have been updated

## V2.0.10

> Release Date: 2026.07.08
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Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,27 @@
-->
# Release History

## V2.0.11

> Release Date: 2026.09.11

V2.0.11 enhances query, storage, computation, region management, and high-availability capabilities. It also introduces the Edge edition, adds client support, raises the minimum JDK requirement, and updates third-party dependencies. The specific release contents are as follows:

* **Storage Module**: `SHOW TIMESERIES` now supports sorting by measurement name
* **Query Module**: Supports query SQL statements containing only a `SELECT` clause
* **Query Module**: Added the `COUNT DATABASE` statement for the table model
* **Query Module**: `EXPLAIN [ANALYZE]` now supports JSON output
* **Query Module**: Supports writing query results to a TsFile at a specified path using SQL
* **Computation Module**: Added an `InternalSession` interface to the UDF API
* **Computation Module**: Added support for backward fill
* **Computation Module**: `GROUP BY` and `ORDER BY` now support aliases defined with `AS` in the `SELECT` list
* **Miscellaneous**: Supports manually repairing partitioned tables using SQL
* **Miscellaneous**: `EXTEND REGION` and `REMOVE REGION` now accept a list of `regionId` values to process multiple Regions in one operation
* **High Availability**: Added high-availability support for table management, device management, writable view management, TTL management, database management, and user permission management
* **Client**: Added a Node.js client, supporting 2.x versions only
* **Edge Edition**: Introduced an Edge edition for low-memory devices, capping CN and DN memory at 512 MB and targeting read/write workloads of approximately 10,000 measurements at 1 Hz. The first version uses JVM and default configuration adjustments; future versions may evolve toward a fused CN and DN architecture
* **JDK**: The minimum requirement is now JDK 17, and third-party dependencies have been updated

## V2.0.10

> Release Date: 2026.07.08
Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,27 @@
-->
# Release History

## V2.0.11

> Release Date: 2026.09.11

V2.0.11 enhances query, storage, computation, region management, and high-availability capabilities. It also introduces the Edge edition, adds client support, raises the minimum JDK requirement, and updates third-party dependencies. The specific release contents are as follows:

* **Storage Module**: `SHOW TIMESERIES` now supports sorting by measurement name
* **Query Module**: Supports query SQL statements containing only a `SELECT` clause
* **Query Module**: Added the `COUNT DATABASE` statement for the table model
* **Query Module**: `EXPLAIN [ANALYZE]` now supports JSON output
* **Query Module**: Supports writing query results to a TsFile at a specified path using SQL
* **Computation Module**: Added an `InternalSession` interface to the UDF API
* **Computation Module**: Added support for backward fill
* **Computation Module**: `GROUP BY` and `ORDER BY` now support aliases defined with `AS` in the `SELECT` list
* **Miscellaneous**: Supports manually repairing partitioned tables using SQL
* **Miscellaneous**: `EXTEND REGION` and `REMOVE REGION` now accept a list of `regionId` values to process multiple Regions in one operation
* **High Availability**: Added high-availability support for table management, device management, writable view management, TTL management, database management, and user permission management
* **Client**: Added a Node.js client, supporting 2.x versions only
* **Edge Edition**: Introduced an Edge edition for low-memory devices, capping CN and DN memory at 512 MB and targeting read/write workloads of approximately 10,000 measurements at 1 Hz. The first version uses JVM and default configuration adjustments; future versions may evolve toward a fused CN and DN architecture
* **JDK**: The minimum requirement is now JDK 17, and third-party dependencies have been updated

## V2.0.10

> Release Date: 2026.07.08
Expand Down
21 changes: 21 additions & 0 deletions src/UserGuide/latest/IoTDB-Introduction/Release-history_apache.md
Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,27 @@
-->
# Release History

## V2.0.11

> Release Date: 2026.09.11

V2.0.11 enhances query, storage, computation, region management, and high-availability capabilities. It also introduces the Edge edition, adds client support, raises the minimum JDK requirement, and updates third-party dependencies. The specific release contents are as follows:

* **Storage Module**: `SHOW TIMESERIES` now supports sorting by measurement name
* **Query Module**: Supports query SQL statements containing only a `SELECT` clause
* **Query Module**: Added the `COUNT DATABASE` statement for the table model
* **Query Module**: `EXPLAIN [ANALYZE]` now supports JSON output
* **Query Module**: Supports writing query results to a TsFile at a specified path using SQL
* **Computation Module**: Added an `InternalSession` interface to the UDF API
* **Computation Module**: Added support for backward fill
* **Computation Module**: `GROUP BY` and `ORDER BY` now support aliases defined with `AS` in the `SELECT` list
* **Miscellaneous**: Supports manually repairing partitioned tables using SQL
* **Miscellaneous**: `EXTEND REGION` and `REMOVE REGION` now accept a list of `regionId` values to process multiple Regions in one operation
* **High Availability**: Added high-availability support for table management, device management, writable view management, TTL management, database management, and user permission management
* **Client**: Added a Node.js client, supporting 2.x versions only
* **Edge Edition**: Introduced an Edge edition for low-memory devices, capping CN and DN memory at 512 MB and targeting read/write workloads of approximately 10,000 measurements at 1 Hz. The first version uses JVM and default configuration adjustments; future versions may evolve toward a fused CN and DN architecture
* **JDK**: The minimum requirement is now JDK 17, and third-party dependencies have been updated

## V2.0.10

> Release Date: 2026.07.08
Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,27 @@
-->
# 发布历史

## V2.0.11

> 发版时间:2026.09.11

V2.0.11 版本主要围绕查询、存储、计算、分区管理和高可用能力进行了增强,新增 Edge 边缘版本和客户端支持,同时更新了 JDK 要求及第三方依赖。具体发布内容如下:

* 存储模块:`SHOW TIMESERIES` 支持按测点名排序
* 查询模块:支持仅包含 `SELECT` 子句的查询 SQL
* 查询模块:表模型新增 `COUNT DATABASE` 语句
* 查询模块:`EXPLAIN [ANALYZE]` 支持输出 JSON 格式
* 查询模块:支持使用 SQL 将查询结果写回到指定路径的 TsFile 中
* 计算模块:UDF API 增加 `InternalSession` 接口
* 计算模块:支持后值填充
* 计算模块:`GROUP BY` 和 `ORDER BY` 支持使用 `SELECT` 中 `AS` 定义的别名
* 其他模块:支持使用 SQL 手动修复分区表
* 其他模块:`EXTEND REGION` 和 `REMOVE REGION` 语法支持传入 `regionId` 列表,一次处理多个 Region
* 高可用模块:表管理、设备管理、可写视图管理、TTL 管理、数据库管理和用户权限管理支持高可用
* 客户端:新增 Node.js 客户端,仅支持 2.x 版本
* 边缘版本:推出面向低内存边缘设备的 Edge 版本,将 CN 与 DN 内存上限控制在 512 MB,目标支持约 1 万个 1 Hz 测点读写;首版通过调整 JVM 和默认配置参数实现,后续将探索 CN 与 DN 融合
* JDK:最低要求 JDK 17,并更新第三方依赖

## V2.0.10

> 发版时间:2026.07.08
Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,27 @@
-->
# 发布历史

## V2.0.11

> 发版时间:2026.09.11

V2.0.11 版本主要围绕查询、存储、计算、分区管理和高可用能力进行了增强,新增 Edge 边缘版本和客户端支持,同时更新了 JDK 要求及第三方依赖。具体发布内容如下:

* 存储模块:`SHOW TIMESERIES` 支持按测点名排序
* 查询模块:支持仅包含 `SELECT` 子句的查询 SQL
* 查询模块:表模型新增 `COUNT DATABASE` 语句
* 查询模块:`EXPLAIN [ANALYZE]` 支持输出 JSON 格式
* 查询模块:支持使用 SQL 将查询结果写回到指定路径的 TsFile 中
* 计算模块:UDF API 增加 `InternalSession` 接口
* 计算模块:支持后值填充
* 计算模块:`GROUP BY` 和 `ORDER BY` 支持使用 `SELECT` 中 `AS` 定义的别名
* 其他模块:支持使用 SQL 手动修复分区表
* 其他模块:`EXTEND REGION` 和 `REMOVE REGION` 语法支持传入 `regionId` 列表,一次处理多个 Region
* 高可用模块:表管理、设备管理、可写视图管理、TTL 管理、数据库管理和用户权限管理支持高可用
* 客户端:新增 Node.js 客户端,仅支持 2.x 版本
* 边缘版本:推出面向低内存边缘设备的 Edge 版本,将 CN 与 DN 内存上限控制在 512 MB,目标支持约 1 万个 1 Hz 测点读写;首版通过调整 JVM 和默认配置参数实现,后续将探索 CN 与 DN 融合
* JDK:最低要求 JDK 17,并更新第三方依赖

## V2.0.10

> 发版时间:2026.07.08
Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,27 @@
-->
# 发布历史

## V2.0.11

> 发版时间:2026.09.11

V2.0.11 版本主要围绕查询、存储、计算、分区管理和高可用能力进行了增强,新增 Edge 边缘版本和客户端支持,同时更新了 JDK 要求及第三方依赖。具体发布内容如下:

* 存储模块:`SHOW TIMESERIES` 支持按测点名排序
* 查询模块:支持仅包含 `SELECT` 子句的查询 SQL
* 查询模块:表模型新增 `COUNT DATABASE` 语句
* 查询模块:`EXPLAIN [ANALYZE]` 支持输出 JSON 格式
* 查询模块:支持使用 SQL 将查询结果写回到指定路径的 TsFile 中
* 计算模块:UDF API 增加 `InternalSession` 接口
* 计算模块:支持后值填充
* 计算模块:`GROUP BY` 和 `ORDER BY` 支持使用 `SELECT` 中 `AS` 定义的别名
* 其他模块:支持使用 SQL 手动修复分区表
* 其他模块:`EXTEND REGION` 和 `REMOVE REGION` 语法支持传入 `regionId` 列表,一次处理多个 Region
* 高可用模块:表管理、设备管理、可写视图管理、TTL 管理、数据库管理和用户权限管理支持高可用
* 客户端:新增 Node.js 客户端,仅支持 2.x 版本
* 边缘版本:推出面向低内存边缘设备的 Edge 版本,将 CN 与 DN 内存上限控制在 512 MB,目标支持约 1 万个 1 Hz 测点读写;首版通过调整 JVM 和默认配置参数实现,后续将探索 CN 与 DN 融合
* JDK:最低要求 JDK 17,并更新第三方依赖

## V2.0.10

> 发版时间:2026.07.08
Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,27 @@
-->
# 发布历史

## V2.0.11

> 发版时间:2026.09.11

V2.0.11 版本主要围绕查询、存储、计算、分区管理和高可用能力进行了增强,新增 Edge 边缘版本和客户端支持,同时更新了 JDK 要求及第三方依赖。具体发布内容如下:

* 存储模块:`SHOW TIMESERIES` 支持按测点名排序
* 查询模块:支持仅包含 `SELECT` 子句的查询 SQL
* 查询模块:表模型新增 `COUNT DATABASE` 语句
* 查询模块:`EXPLAIN [ANALYZE]` 支持输出 JSON 格式
* 查询模块:支持使用 SQL 将查询结果写回到指定路径的 TsFile 中
* 计算模块:UDF API 增加 `InternalSession` 接口
* 计算模块:支持后值填充
* 计算模块:`GROUP BY` 和 `ORDER BY` 支持使用 `SELECT` 中 `AS` 定义的别名
* 其他模块:支持使用 SQL 手动修复分区表
* 其他模块:`EXTEND REGION` 和 `REMOVE REGION` 语法支持传入 `regionId` 列表,一次处理多个 Region
* 高可用模块:表管理、设备管理、可写视图管理、TTL 管理、数据库管理和用户权限管理支持高可用
* 客户端:新增 Node.js 客户端,仅支持 2.x 版本
* 边缘版本:推出面向低内存边缘设备的 Edge 版本,将 CN 与 DN 内存上限控制在 512 MB,目标支持约 1 万个 1 Hz 测点读写;首版通过调整 JVM 和默认配置参数实现,后续将探索 CN 与 DN 融合
* JDK:最低要求 JDK 17,并更新第三方依赖

## V2.0.10

> 发版时间:2026.07.08
Expand Down