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The following commit(s) were added to refs/heads/master by this push:
     new f810a0e271c [changelog] add missing behavior change for 218 and 304 
(#2151)
f810a0e271c is described below

commit f810a0e271c7540b46b4fc1d9e879ad463ba030c
Author: Mingyu Chen (Rayner) <morning...@163.com>
AuthorDate: Mon Mar 31 12:26:14 2025 +0800

    [changelog] add missing behavior change for 218 and 304 (#2151)
    
    ## Versions
    
    - [x] dev
    - [x] 3.0
    - [x] 2.1
    - [x] 2.0
    
    ## Languages
    
    - [x] Chinese
    - [x] English
    
    ## Docs Checklist
    
    - [ ] Checked by AI
    - [ ] Test Cases Built
---
 blog/release-note-2.1.8.md                                             | 3 ++-
 blog/release-note-3.0.4.md                                             | 3 ++-
 docs/releasenotes/v3.0/release-3.0.4.md                                | 3 ++-
 .../current/releasenotes/v3.0/release-3.0.4.md                         | 3 ++-
 .../{version-3.0 => version-2.0}/releasenotes/v2.1/release-2.1.8.md    | 3 ++-
 .../version-2.0/releasenotes/v3.0/release-3.0.4.md                     | 3 ++-
 .../version-2.1/releasenotes/v2.1/release-2.1.8.md                     | 3 ++-
 .../version-2.1/releasenotes/v3.0/release-3.0.4.md                     | 3 ++-
 .../version-3.0/releasenotes/v2.1/release-2.1.8.md                     | 3 ++-
 .../version-3.0/releasenotes/v3.0/release-3.0.4.md                     | 3 ++-
 .../{version-3.0 => version-2.0}/releasenotes/v2.1/release-2.1.8.md    | 3 ++-
 versioned_docs/version-2.0/releasenotes/v3.0/release-3.0.4.md          | 3 ++-
 versioned_docs/version-2.1/releasenotes/v2.1/release-2.1.8.md          | 3 ++-
 versioned_docs/version-2.1/releasenotes/v3.0/release-3.0.4.md          | 3 ++-
 versioned_docs/version-3.0/releasenotes/v2.1/release-2.1.8.md          | 3 ++-
 versioned_docs/version-3.0/releasenotes/v3.0/release-3.0.4.md          | 3 ++-
 16 files changed, 32 insertions(+), 16 deletions(-)

diff --git a/blog/release-note-2.1.8.md b/blog/release-note-2.1.8.md
index 429b1f84894..821d1aebc7e 100644
--- a/blog/release-note-2.1.8.md
+++ b/blog/release-note-2.1.8.md
@@ -36,6 +36,7 @@ Dear Community, **Apache Doris version 2.1.8 was officially 
released on January
 
 ## Behavior Changes
 
+- When querying a data source with case-insensitive table names (such as Hive) 
through External Catalog, in previous versions, you can use any case to query 
the table name, but in version 2.1.8, Doris's own table name case sensitivity 
policy will be strictly followed.
 - Add the environment variable `SKIP_CHECK_ULIMIT` to skip the ulimit value 
verification check within the BE process. This is only available to 
applications in the Docker quick start scenario. 
[#45267](https://github.com/apache/doris/pull/45267)
 - Add the `enable_cooldown_replica_affinity` session variable to control the 
selection of replica affinity for queries under cold - hot separation.
 - In FE, add the configurations `restore_job_compressed_serialization` and 
`backup_job_compressed_serialization` to solve the OOM problem of FE during 
backup and restore operations when the number of db tablets is extremely large. 
By default, these configurations are disabled, and once enabled, they cannot be 
downgraded.
@@ -187,4 +188,4 @@ Dear Community, **Apache Doris version 2.1.8 was officially 
released on January
 
 ### Others
 
-- Fix the potential memory leak problem when `enable_jvm_monitor=true` is 
enabled on the BE side [#44311](https://github.com/apache/doris/pull/44311).
\ No newline at end of file
+- Fix the potential memory leak problem when `enable_jvm_monitor=true` is 
enabled on the BE side [#44311](https://github.com/apache/doris/pull/44311).
diff --git a/blog/release-note-3.0.4.md b/blog/release-note-3.0.4.md
index 89b9dc58954..c9144a061e1 100644
--- a/blog/release-note-3.0.4.md
+++ b/blog/release-note-3.0.4.md
@@ -44,6 +44,7 @@ Dear community members, the Apache Doris 3.0.4 version was 
officially released o
 
   - For more information, please refer to documentation: [Export Overview - 
Apache 
Doris](https://doris.apache.org/docs/3.0/data-operate/export/export-overview)
 
+- When querying a data source with case-insensitive table names (such as Hive) 
through External Catalog, in previous versions, you can use any case to query 
the table name, but in version 3.0.4, Doris's own table name case sensitivity 
policy will be strictly followed.
 - The Hudi JNI Scanner has been replaced from Spark API to Hadoop API to 
enhance compatibility. Users can switch by setting the session variable `set 
hudi_jni_scanner=spark/hadoop`. 
[#44396](https://github.com/apache/doris/pull/44396) 
 - The use of `auto bucket` in Colocate tables is prohibited.  
[#44396](https://github.com/apache/doris/pull/44396) 
 - Paimon cache has been added to the Catalog, eliminating real-time data 
queries.  [#44911 ](https://github.com/apache/doris/pull/44911)
@@ -230,4 +231,4 @@ Dear community members, the Apache Doris 3.0.4 version was 
officially released o
 
 - When granting `CREATE_PRIV`, the existence of the corresponding resource is 
no longer checked. [#45125](https://github.com/apache/doris/pull/45125) 
 - Fixed the issue where queries on views with permissions could fail due to 
missing permissions for referenced tables in extreme scenarios. 
[#44621](https://github.com/apache/doris/pull/44621) 
-- Resolved the issue where permission checks for `use db` did not distinguish 
between internal and external Catalogs. 
[#45720](https://github.com/apache/doris/pull/45720) 
\ No newline at end of file
+- Resolved the issue where permission checks for `use db` did not distinguish 
between internal and external Catalogs. 
[#45720](https://github.com/apache/doris/pull/45720) 
diff --git a/docs/releasenotes/v3.0/release-3.0.4.md 
b/docs/releasenotes/v3.0/release-3.0.4.md
index 261108f867b..43c3effe652 100644
--- a/docs/releasenotes/v3.0/release-3.0.4.md
+++ b/docs/releasenotes/v3.0/release-3.0.4.md
@@ -39,6 +39,7 @@ Dear community members, the Apache Doris 3.0.4 version was 
officially released o
 
   - For more information, please refer to documentation: [Export Overview - 
Apache 
Doris](https://doris.apache.org/docs/3.0/data-operate/export/export-overview)
 
+- When querying a data source with case-insensitive table names (such as Hive) 
through External Catalog, in previous versions, you can use any case to query 
the table name, but in version 3.0.4, Doris's own table name case sensitivity 
policy will be strictly followed.
 - The Hudi JNI Scanner has been replaced from Spark API to Hadoop API to 
enhance compatibility. Users can switch by setting the session variable `set 
hudi_jni_scanner=spark/hadoop`. 
[#44396](https://github.com/apache/doris/pull/44396) 
 - The use of `auto bucket` in Colocate tables is prohibited.  
[#44396](https://github.com/apache/doris/pull/44396) 
 - Paimon cache has been added to the Catalog, eliminating real-time data 
queries.  [#44911 ](https://github.com/apache/doris/pull/44911)
@@ -225,4 +226,4 @@ Dear community members, the Apache Doris 3.0.4 version was 
officially released o
 
 - When granting `CREATE_PRIV`, the existence of the corresponding resource is 
no longer checked. [#45125](https://github.com/apache/doris/pull/45125) 
 - Fixed the issue where queries on views with permissions could fail due to 
missing permissions for referenced tables in extreme scenarios. 
[#44621](https://github.com/apache/doris/pull/44621) 
-- Resolved the issue where permission checks for `use db` did not distinguish 
between internal and external Catalogs. 
[#45720](https://github.com/apache/doris/pull/45720) 
\ No newline at end of file
+- Resolved the issue where permission checks for `use db` did not distinguish 
between internal and external Catalogs. 
[#45720](https://github.com/apache/doris/pull/45720) 
diff --git 
a/i18n/zh-CN/docusaurus-plugin-content-docs/current/releasenotes/v3.0/release-3.0.4.md
 
b/i18n/zh-CN/docusaurus-plugin-content-docs/current/releasenotes/v3.0/release-3.0.4.md
index 66729e16ba8..bdc6910809c 100644
--- 
a/i18n/zh-CN/docusaurus-plugin-content-docs/current/releasenotes/v3.0/release-3.0.4.md
+++ 
b/i18n/zh-CN/docusaurus-plugin-content-docs/current/releasenotes/v3.0/release-3.0.4.md
@@ -38,6 +38,7 @@ under the License.
 - 导出数据至 Parquet/ORC 格式时,`bitmap`、`quantile_state` 和 `hll` 类型将以 Binary 
格式导出。同时新增支持导出 `jsonb` 和 `variant` 类型,导出格式为 `string`。 
[#44041](https://github.com/apache/doris/pull/44041) 
 
   - 更多内容,参考文档:[Export Overview - Apache 
Doris](https://doris.apache.org/docs/3.0/data-operate/export/export-overview)
+- 当通过 External Catalog 查询表名大小写不敏感的数据源(如 Hive)时,在之前版本中,可以使用任意大小写进行表名查询,但是在 
3.0.4 版本中,将严格遵循 Doris 自身的表名大小写敏感策略。
 - 将 Hudi JNI Scanner 从 Spark API 替换为 Hadoop API,以增强兼容性。用户可以通过设置会话变量 `set 
hudi_jni_scanner=spark/hadoop` 
进行切换。[#44267](https://github.com/apache/doris/pull/44267) 
 - 禁止在 Colocate 表中使用 `auto bucket`。 
[#44396](https://github.com/apache/doris/pull/44396) 
 - 为 Catalog 增加 Paimon 缓存,不再进行实时数据查询。 [#44911 
](https://github.com/apache/doris/pull/44911)
@@ -224,4 +225,4 @@ under the License.
 
 - 赋予 `CREATE_PRIV` 时,不再检查对应资源是否存在。 
[#45125](https://github.com/apache/doris/pull/45125) 
 - 修复在极端场景下,可能出现的查询有权限的视图,但报错没有视图中引用的表的权限的问题。 
[#44621](https://github.com/apache/doris/pull/44621) 
-- 修复 `use db` 时检查权限时不区分内外 Catalog 的问题。 
[#45720](https://github.com/apache/doris/pull/45720) 
\ No newline at end of file
+- 修复 `use db` 时检查权限时不区分内外 Catalog 的问题。 
[#45720](https://github.com/apache/doris/pull/45720) 
diff --git 
a/i18n/zh-CN/docusaurus-plugin-content-docs/version-3.0/releasenotes/v2.1/release-2.1.8.md
 
b/i18n/zh-CN/docusaurus-plugin-content-docs/version-2.0/releasenotes/v2.1/release-2.1.8.md
similarity index 98%
copy from 
i18n/zh-CN/docusaurus-plugin-content-docs/version-3.0/releasenotes/v2.1/release-2.1.8.md
copy to 
i18n/zh-CN/docusaurus-plugin-content-docs/version-2.0/releasenotes/v2.1/release-2.1.8.md
index 5924060769b..b50fa62a7e9 100644
--- 
a/i18n/zh-CN/docusaurus-plugin-content-docs/version-3.0/releasenotes/v2.1/release-2.1.8.md
+++ 
b/i18n/zh-CN/docusaurus-plugin-content-docs/version-2.0/releasenotes/v2.1/release-2.1.8.md
@@ -33,6 +33,7 @@ under the License.
 
 ## 行为变更
 
+- 当通过 External Catalog 查询表名大小写不敏感的数据源(如 Hive)时,在之前版本中,可以使用任意大小写进行表名查询,但是在 
2.1.8版本中,将严格遵循 Doris 自身的表名大小写敏感策略。
 - 添加环境变量 `SKIP_CHECK_ULIMIT` 以跳过 BE 进程内关于 ulimit 值校验检查,仅适用于 Docker 
快速启动场景中应用。[#45267](https://github.com/apache/doris/pull/45267)
 - 添加 `enable_cooldown_replica_affinity session` 变量控制冷热分层下查询选用副本亲和性
 - FE 添加配置` restore_job_compressed_serialization` 和 
`backup_job_compressed_serialization` 用于解决 db tablet 数量非常大情况下备份和恢复操作时 FE OOM 
的问题,默认关闭,打开之后无法降级
@@ -195,4 +196,4 @@ under the License.
 
 ### Others
 
-- 修复 BE 端开启 `enable_jvm_monitor=true` 
后可能导致的内存泄露问题。[#44311](https://github.com/apache/doris/pull/44311)
\ No newline at end of file
+- 修复 BE 端开启 `enable_jvm_monitor=true` 
后可能导致的内存泄露问题。[#44311](https://github.com/apache/doris/pull/44311)
diff --git 
a/i18n/zh-CN/docusaurus-plugin-content-docs/version-2.0/releasenotes/v3.0/release-3.0.4.md
 
b/i18n/zh-CN/docusaurus-plugin-content-docs/version-2.0/releasenotes/v3.0/release-3.0.4.md
index 66729e16ba8..bdc6910809c 100644
--- 
a/i18n/zh-CN/docusaurus-plugin-content-docs/version-2.0/releasenotes/v3.0/release-3.0.4.md
+++ 
b/i18n/zh-CN/docusaurus-plugin-content-docs/version-2.0/releasenotes/v3.0/release-3.0.4.md
@@ -38,6 +38,7 @@ under the License.
 - 导出数据至 Parquet/ORC 格式时,`bitmap`、`quantile_state` 和 `hll` 类型将以 Binary 
格式导出。同时新增支持导出 `jsonb` 和 `variant` 类型,导出格式为 `string`。 
[#44041](https://github.com/apache/doris/pull/44041) 
 
   - 更多内容,参考文档:[Export Overview - Apache 
Doris](https://doris.apache.org/docs/3.0/data-operate/export/export-overview)
+- 当通过 External Catalog 查询表名大小写不敏感的数据源(如 Hive)时,在之前版本中,可以使用任意大小写进行表名查询,但是在 
3.0.4 版本中,将严格遵循 Doris 自身的表名大小写敏感策略。
 - 将 Hudi JNI Scanner 从 Spark API 替换为 Hadoop API,以增强兼容性。用户可以通过设置会话变量 `set 
hudi_jni_scanner=spark/hadoop` 
进行切换。[#44267](https://github.com/apache/doris/pull/44267) 
 - 禁止在 Colocate 表中使用 `auto bucket`。 
[#44396](https://github.com/apache/doris/pull/44396) 
 - 为 Catalog 增加 Paimon 缓存,不再进行实时数据查询。 [#44911 
](https://github.com/apache/doris/pull/44911)
@@ -224,4 +225,4 @@ under the License.
 
 - 赋予 `CREATE_PRIV` 时,不再检查对应资源是否存在。 
[#45125](https://github.com/apache/doris/pull/45125) 
 - 修复在极端场景下,可能出现的查询有权限的视图,但报错没有视图中引用的表的权限的问题。 
[#44621](https://github.com/apache/doris/pull/44621) 
-- 修复 `use db` 时检查权限时不区分内外 Catalog 的问题。 
[#45720](https://github.com/apache/doris/pull/45720) 
\ No newline at end of file
+- 修复 `use db` 时检查权限时不区分内外 Catalog 的问题。 
[#45720](https://github.com/apache/doris/pull/45720) 
diff --git 
a/i18n/zh-CN/docusaurus-plugin-content-docs/version-2.1/releasenotes/v2.1/release-2.1.8.md
 
b/i18n/zh-CN/docusaurus-plugin-content-docs/version-2.1/releasenotes/v2.1/release-2.1.8.md
index 5924060769b..b50fa62a7e9 100644
--- 
a/i18n/zh-CN/docusaurus-plugin-content-docs/version-2.1/releasenotes/v2.1/release-2.1.8.md
+++ 
b/i18n/zh-CN/docusaurus-plugin-content-docs/version-2.1/releasenotes/v2.1/release-2.1.8.md
@@ -33,6 +33,7 @@ under the License.
 
 ## 行为变更
 
+- 当通过 External Catalog 查询表名大小写不敏感的数据源(如 Hive)时,在之前版本中,可以使用任意大小写进行表名查询,但是在 
2.1.8版本中,将严格遵循 Doris 自身的表名大小写敏感策略。
 - 添加环境变量 `SKIP_CHECK_ULIMIT` 以跳过 BE 进程内关于 ulimit 值校验检查,仅适用于 Docker 
快速启动场景中应用。[#45267](https://github.com/apache/doris/pull/45267)
 - 添加 `enable_cooldown_replica_affinity session` 变量控制冷热分层下查询选用副本亲和性
 - FE 添加配置` restore_job_compressed_serialization` 和 
`backup_job_compressed_serialization` 用于解决 db tablet 数量非常大情况下备份和恢复操作时 FE OOM 
的问题,默认关闭,打开之后无法降级
@@ -195,4 +196,4 @@ under the License.
 
 ### Others
 
-- 修复 BE 端开启 `enable_jvm_monitor=true` 
后可能导致的内存泄露问题。[#44311](https://github.com/apache/doris/pull/44311)
\ No newline at end of file
+- 修复 BE 端开启 `enable_jvm_monitor=true` 
后可能导致的内存泄露问题。[#44311](https://github.com/apache/doris/pull/44311)
diff --git 
a/i18n/zh-CN/docusaurus-plugin-content-docs/version-2.1/releasenotes/v3.0/release-3.0.4.md
 
b/i18n/zh-CN/docusaurus-plugin-content-docs/version-2.1/releasenotes/v3.0/release-3.0.4.md
index 66729e16ba8..bdc6910809c 100644
--- 
a/i18n/zh-CN/docusaurus-plugin-content-docs/version-2.1/releasenotes/v3.0/release-3.0.4.md
+++ 
b/i18n/zh-CN/docusaurus-plugin-content-docs/version-2.1/releasenotes/v3.0/release-3.0.4.md
@@ -38,6 +38,7 @@ under the License.
 - 导出数据至 Parquet/ORC 格式时,`bitmap`、`quantile_state` 和 `hll` 类型将以 Binary 
格式导出。同时新增支持导出 `jsonb` 和 `variant` 类型,导出格式为 `string`。 
[#44041](https://github.com/apache/doris/pull/44041) 
 
   - 更多内容,参考文档:[Export Overview - Apache 
Doris](https://doris.apache.org/docs/3.0/data-operate/export/export-overview)
+- 当通过 External Catalog 查询表名大小写不敏感的数据源(如 Hive)时,在之前版本中,可以使用任意大小写进行表名查询,但是在 
3.0.4 版本中,将严格遵循 Doris 自身的表名大小写敏感策略。
 - 将 Hudi JNI Scanner 从 Spark API 替换为 Hadoop API,以增强兼容性。用户可以通过设置会话变量 `set 
hudi_jni_scanner=spark/hadoop` 
进行切换。[#44267](https://github.com/apache/doris/pull/44267) 
 - 禁止在 Colocate 表中使用 `auto bucket`。 
[#44396](https://github.com/apache/doris/pull/44396) 
 - 为 Catalog 增加 Paimon 缓存,不再进行实时数据查询。 [#44911 
](https://github.com/apache/doris/pull/44911)
@@ -224,4 +225,4 @@ under the License.
 
 - 赋予 `CREATE_PRIV` 时,不再检查对应资源是否存在。 
[#45125](https://github.com/apache/doris/pull/45125) 
 - 修复在极端场景下,可能出现的查询有权限的视图,但报错没有视图中引用的表的权限的问题。 
[#44621](https://github.com/apache/doris/pull/44621) 
-- 修复 `use db` 时检查权限时不区分内外 Catalog 的问题。 
[#45720](https://github.com/apache/doris/pull/45720) 
\ No newline at end of file
+- 修复 `use db` 时检查权限时不区分内外 Catalog 的问题。 
[#45720](https://github.com/apache/doris/pull/45720) 
diff --git 
a/i18n/zh-CN/docusaurus-plugin-content-docs/version-3.0/releasenotes/v2.1/release-2.1.8.md
 
b/i18n/zh-CN/docusaurus-plugin-content-docs/version-3.0/releasenotes/v2.1/release-2.1.8.md
index 5924060769b..b50fa62a7e9 100644
--- 
a/i18n/zh-CN/docusaurus-plugin-content-docs/version-3.0/releasenotes/v2.1/release-2.1.8.md
+++ 
b/i18n/zh-CN/docusaurus-plugin-content-docs/version-3.0/releasenotes/v2.1/release-2.1.8.md
@@ -33,6 +33,7 @@ under the License.
 
 ## 行为变更
 
+- 当通过 External Catalog 查询表名大小写不敏感的数据源(如 Hive)时,在之前版本中,可以使用任意大小写进行表名查询,但是在 
2.1.8版本中,将严格遵循 Doris 自身的表名大小写敏感策略。
 - 添加环境变量 `SKIP_CHECK_ULIMIT` 以跳过 BE 进程内关于 ulimit 值校验检查,仅适用于 Docker 
快速启动场景中应用。[#45267](https://github.com/apache/doris/pull/45267)
 - 添加 `enable_cooldown_replica_affinity session` 变量控制冷热分层下查询选用副本亲和性
 - FE 添加配置` restore_job_compressed_serialization` 和 
`backup_job_compressed_serialization` 用于解决 db tablet 数量非常大情况下备份和恢复操作时 FE OOM 
的问题,默认关闭,打开之后无法降级
@@ -195,4 +196,4 @@ under the License.
 
 ### Others
 
-- 修复 BE 端开启 `enable_jvm_monitor=true` 
后可能导致的内存泄露问题。[#44311](https://github.com/apache/doris/pull/44311)
\ No newline at end of file
+- 修复 BE 端开启 `enable_jvm_monitor=true` 
后可能导致的内存泄露问题。[#44311](https://github.com/apache/doris/pull/44311)
diff --git 
a/i18n/zh-CN/docusaurus-plugin-content-docs/version-3.0/releasenotes/v3.0/release-3.0.4.md
 
b/i18n/zh-CN/docusaurus-plugin-content-docs/version-3.0/releasenotes/v3.0/release-3.0.4.md
index 66729e16ba8..bdc6910809c 100644
--- 
a/i18n/zh-CN/docusaurus-plugin-content-docs/version-3.0/releasenotes/v3.0/release-3.0.4.md
+++ 
b/i18n/zh-CN/docusaurus-plugin-content-docs/version-3.0/releasenotes/v3.0/release-3.0.4.md
@@ -38,6 +38,7 @@ under the License.
 - 导出数据至 Parquet/ORC 格式时,`bitmap`、`quantile_state` 和 `hll` 类型将以 Binary 
格式导出。同时新增支持导出 `jsonb` 和 `variant` 类型,导出格式为 `string`。 
[#44041](https://github.com/apache/doris/pull/44041) 
 
   - 更多内容,参考文档:[Export Overview - Apache 
Doris](https://doris.apache.org/docs/3.0/data-operate/export/export-overview)
+- 当通过 External Catalog 查询表名大小写不敏感的数据源(如 Hive)时,在之前版本中,可以使用任意大小写进行表名查询,但是在 
3.0.4 版本中,将严格遵循 Doris 自身的表名大小写敏感策略。
 - 将 Hudi JNI Scanner 从 Spark API 替换为 Hadoop API,以增强兼容性。用户可以通过设置会话变量 `set 
hudi_jni_scanner=spark/hadoop` 
进行切换。[#44267](https://github.com/apache/doris/pull/44267) 
 - 禁止在 Colocate 表中使用 `auto bucket`。 
[#44396](https://github.com/apache/doris/pull/44396) 
 - 为 Catalog 增加 Paimon 缓存,不再进行实时数据查询。 [#44911 
](https://github.com/apache/doris/pull/44911)
@@ -224,4 +225,4 @@ under the License.
 
 - 赋予 `CREATE_PRIV` 时,不再检查对应资源是否存在。 
[#45125](https://github.com/apache/doris/pull/45125) 
 - 修复在极端场景下,可能出现的查询有权限的视图,但报错没有视图中引用的表的权限的问题。 
[#44621](https://github.com/apache/doris/pull/44621) 
-- 修复 `use db` 时检查权限时不区分内外 Catalog 的问题。 
[#45720](https://github.com/apache/doris/pull/45720) 
\ No newline at end of file
+- 修复 `use db` 时检查权限时不区分内外 Catalog 的问题。 
[#45720](https://github.com/apache/doris/pull/45720) 
diff --git a/versioned_docs/version-3.0/releasenotes/v2.1/release-2.1.8.md 
b/versioned_docs/version-2.0/releasenotes/v2.1/release-2.1.8.md
similarity index 98%
copy from versioned_docs/version-3.0/releasenotes/v2.1/release-2.1.8.md
copy to versioned_docs/version-2.0/releasenotes/v2.1/release-2.1.8.md
index 52567589729..c00a31a73c1 100644
--- a/versioned_docs/version-3.0/releasenotes/v2.1/release-2.1.8.md
+++ b/versioned_docs/version-2.0/releasenotes/v2.1/release-2.1.8.md
@@ -32,6 +32,7 @@ Dear Community, **Apache Doris version 2.1.8 was officially 
released on January
 
 ## Behavior Changes
 
+- When querying a data source with case-insensitive table names (such as Hive) 
through External Catalog, in previous versions, you can use any case to query 
the table name, but in version 2.1.8, Doris's own table name case sensitivity 
policy will be strictly followed.
 - Add the environment variable `SKIP_CHECK_ULIMIT` to skip the ulimit value 
verification check within the BE process. This is only available to 
applications in the Docker quick start scenario. 
[#45267](https://github.com/apache/doris/pull/45267)
 - Add the `enable_cooldown_replica_affinity` session variable to control the 
selection of replica affinity for queries under cold - hot separation.
 - In FE, add the configurations `restore_job_compressed_serialization` and 
`backup_job_compressed_serialization` to solve the OOM problem of FE during 
backup and restore operations when the number of db tablets is extremely large. 
By default, these configurations are disabled, and once enabled, they cannot be 
downgraded.
@@ -183,4 +184,4 @@ Dear Community, **Apache Doris version 2.1.8 was officially 
released on January
 
 ### Others
 
-- Fix the potential memory leak problem when `enable_jvm_monitor=true` is 
enabled on the BE side [#44311](https://github.com/apache/doris/pull/44311).
\ No newline at end of file
+- Fix the potential memory leak problem when `enable_jvm_monitor=true` is 
enabled on the BE side [#44311](https://github.com/apache/doris/pull/44311).
diff --git a/versioned_docs/version-2.0/releasenotes/v3.0/release-3.0.4.md 
b/versioned_docs/version-2.0/releasenotes/v3.0/release-3.0.4.md
index 261108f867b..43c3effe652 100644
--- a/versioned_docs/version-2.0/releasenotes/v3.0/release-3.0.4.md
+++ b/versioned_docs/version-2.0/releasenotes/v3.0/release-3.0.4.md
@@ -39,6 +39,7 @@ Dear community members, the Apache Doris 3.0.4 version was 
officially released o
 
   - For more information, please refer to documentation: [Export Overview - 
Apache 
Doris](https://doris.apache.org/docs/3.0/data-operate/export/export-overview)
 
+- When querying a data source with case-insensitive table names (such as Hive) 
through External Catalog, in previous versions, you can use any case to query 
the table name, but in version 3.0.4, Doris's own table name case sensitivity 
policy will be strictly followed.
 - The Hudi JNI Scanner has been replaced from Spark API to Hadoop API to 
enhance compatibility. Users can switch by setting the session variable `set 
hudi_jni_scanner=spark/hadoop`. 
[#44396](https://github.com/apache/doris/pull/44396) 
 - The use of `auto bucket` in Colocate tables is prohibited.  
[#44396](https://github.com/apache/doris/pull/44396) 
 - Paimon cache has been added to the Catalog, eliminating real-time data 
queries.  [#44911 ](https://github.com/apache/doris/pull/44911)
@@ -225,4 +226,4 @@ Dear community members, the Apache Doris 3.0.4 version was 
officially released o
 
 - When granting `CREATE_PRIV`, the existence of the corresponding resource is 
no longer checked. [#45125](https://github.com/apache/doris/pull/45125) 
 - Fixed the issue where queries on views with permissions could fail due to 
missing permissions for referenced tables in extreme scenarios. 
[#44621](https://github.com/apache/doris/pull/44621) 
-- Resolved the issue where permission checks for `use db` did not distinguish 
between internal and external Catalogs. 
[#45720](https://github.com/apache/doris/pull/45720) 
\ No newline at end of file
+- Resolved the issue where permission checks for `use db` did not distinguish 
between internal and external Catalogs. 
[#45720](https://github.com/apache/doris/pull/45720) 
diff --git a/versioned_docs/version-2.1/releasenotes/v2.1/release-2.1.8.md 
b/versioned_docs/version-2.1/releasenotes/v2.1/release-2.1.8.md
index 52567589729..c00a31a73c1 100644
--- a/versioned_docs/version-2.1/releasenotes/v2.1/release-2.1.8.md
+++ b/versioned_docs/version-2.1/releasenotes/v2.1/release-2.1.8.md
@@ -32,6 +32,7 @@ Dear Community, **Apache Doris version 2.1.8 was officially 
released on January
 
 ## Behavior Changes
 
+- When querying a data source with case-insensitive table names (such as Hive) 
through External Catalog, in previous versions, you can use any case to query 
the table name, but in version 2.1.8, Doris's own table name case sensitivity 
policy will be strictly followed.
 - Add the environment variable `SKIP_CHECK_ULIMIT` to skip the ulimit value 
verification check within the BE process. This is only available to 
applications in the Docker quick start scenario. 
[#45267](https://github.com/apache/doris/pull/45267)
 - Add the `enable_cooldown_replica_affinity` session variable to control the 
selection of replica affinity for queries under cold - hot separation.
 - In FE, add the configurations `restore_job_compressed_serialization` and 
`backup_job_compressed_serialization` to solve the OOM problem of FE during 
backup and restore operations when the number of db tablets is extremely large. 
By default, these configurations are disabled, and once enabled, they cannot be 
downgraded.
@@ -183,4 +184,4 @@ Dear Community, **Apache Doris version 2.1.8 was officially 
released on January
 
 ### Others
 
-- Fix the potential memory leak problem when `enable_jvm_monitor=true` is 
enabled on the BE side [#44311](https://github.com/apache/doris/pull/44311).
\ No newline at end of file
+- Fix the potential memory leak problem when `enable_jvm_monitor=true` is 
enabled on the BE side [#44311](https://github.com/apache/doris/pull/44311).
diff --git a/versioned_docs/version-2.1/releasenotes/v3.0/release-3.0.4.md 
b/versioned_docs/version-2.1/releasenotes/v3.0/release-3.0.4.md
index 261108f867b..43c3effe652 100644
--- a/versioned_docs/version-2.1/releasenotes/v3.0/release-3.0.4.md
+++ b/versioned_docs/version-2.1/releasenotes/v3.0/release-3.0.4.md
@@ -39,6 +39,7 @@ Dear community members, the Apache Doris 3.0.4 version was 
officially released o
 
   - For more information, please refer to documentation: [Export Overview - 
Apache 
Doris](https://doris.apache.org/docs/3.0/data-operate/export/export-overview)
 
+- When querying a data source with case-insensitive table names (such as Hive) 
through External Catalog, in previous versions, you can use any case to query 
the table name, but in version 3.0.4, Doris's own table name case sensitivity 
policy will be strictly followed.
 - The Hudi JNI Scanner has been replaced from Spark API to Hadoop API to 
enhance compatibility. Users can switch by setting the session variable `set 
hudi_jni_scanner=spark/hadoop`. 
[#44396](https://github.com/apache/doris/pull/44396) 
 - The use of `auto bucket` in Colocate tables is prohibited.  
[#44396](https://github.com/apache/doris/pull/44396) 
 - Paimon cache has been added to the Catalog, eliminating real-time data 
queries.  [#44911 ](https://github.com/apache/doris/pull/44911)
@@ -225,4 +226,4 @@ Dear community members, the Apache Doris 3.0.4 version was 
officially released o
 
 - When granting `CREATE_PRIV`, the existence of the corresponding resource is 
no longer checked. [#45125](https://github.com/apache/doris/pull/45125) 
 - Fixed the issue where queries on views with permissions could fail due to 
missing permissions for referenced tables in extreme scenarios. 
[#44621](https://github.com/apache/doris/pull/44621) 
-- Resolved the issue where permission checks for `use db` did not distinguish 
between internal and external Catalogs. 
[#45720](https://github.com/apache/doris/pull/45720) 
\ No newline at end of file
+- Resolved the issue where permission checks for `use db` did not distinguish 
between internal and external Catalogs. 
[#45720](https://github.com/apache/doris/pull/45720) 
diff --git a/versioned_docs/version-3.0/releasenotes/v2.1/release-2.1.8.md 
b/versioned_docs/version-3.0/releasenotes/v2.1/release-2.1.8.md
index 52567589729..c00a31a73c1 100644
--- a/versioned_docs/version-3.0/releasenotes/v2.1/release-2.1.8.md
+++ b/versioned_docs/version-3.0/releasenotes/v2.1/release-2.1.8.md
@@ -32,6 +32,7 @@ Dear Community, **Apache Doris version 2.1.8 was officially 
released on January
 
 ## Behavior Changes
 
+- When querying a data source with case-insensitive table names (such as Hive) 
through External Catalog, in previous versions, you can use any case to query 
the table name, but in version 2.1.8, Doris's own table name case sensitivity 
policy will be strictly followed.
 - Add the environment variable `SKIP_CHECK_ULIMIT` to skip the ulimit value 
verification check within the BE process. This is only available to 
applications in the Docker quick start scenario. 
[#45267](https://github.com/apache/doris/pull/45267)
 - Add the `enable_cooldown_replica_affinity` session variable to control the 
selection of replica affinity for queries under cold - hot separation.
 - In FE, add the configurations `restore_job_compressed_serialization` and 
`backup_job_compressed_serialization` to solve the OOM problem of FE during 
backup and restore operations when the number of db tablets is extremely large. 
By default, these configurations are disabled, and once enabled, they cannot be 
downgraded.
@@ -183,4 +184,4 @@ Dear Community, **Apache Doris version 2.1.8 was officially 
released on January
 
 ### Others
 
-- Fix the potential memory leak problem when `enable_jvm_monitor=true` is 
enabled on the BE side [#44311](https://github.com/apache/doris/pull/44311).
\ No newline at end of file
+- Fix the potential memory leak problem when `enable_jvm_monitor=true` is 
enabled on the BE side [#44311](https://github.com/apache/doris/pull/44311).
diff --git a/versioned_docs/version-3.0/releasenotes/v3.0/release-3.0.4.md 
b/versioned_docs/version-3.0/releasenotes/v3.0/release-3.0.4.md
index 261108f867b..43c3effe652 100644
--- a/versioned_docs/version-3.0/releasenotes/v3.0/release-3.0.4.md
+++ b/versioned_docs/version-3.0/releasenotes/v3.0/release-3.0.4.md
@@ -39,6 +39,7 @@ Dear community members, the Apache Doris 3.0.4 version was 
officially released o
 
   - For more information, please refer to documentation: [Export Overview - 
Apache 
Doris](https://doris.apache.org/docs/3.0/data-operate/export/export-overview)
 
+- When querying a data source with case-insensitive table names (such as Hive) 
through External Catalog, in previous versions, you can use any case to query 
the table name, but in version 3.0.4, Doris's own table name case sensitivity 
policy will be strictly followed.
 - The Hudi JNI Scanner has been replaced from Spark API to Hadoop API to 
enhance compatibility. Users can switch by setting the session variable `set 
hudi_jni_scanner=spark/hadoop`. 
[#44396](https://github.com/apache/doris/pull/44396) 
 - The use of `auto bucket` in Colocate tables is prohibited.  
[#44396](https://github.com/apache/doris/pull/44396) 
 - Paimon cache has been added to the Catalog, eliminating real-time data 
queries.  [#44911 ](https://github.com/apache/doris/pull/44911)
@@ -225,4 +226,4 @@ Dear community members, the Apache Doris 3.0.4 version was 
officially released o
 
 - When granting `CREATE_PRIV`, the existence of the corresponding resource is 
no longer checked. [#45125](https://github.com/apache/doris/pull/45125) 
 - Fixed the issue where queries on views with permissions could fail due to 
missing permissions for referenced tables in extreme scenarios. 
[#44621](https://github.com/apache/doris/pull/44621) 
-- Resolved the issue where permission checks for `use db` did not distinguish 
between internal and external Catalogs. 
[#45720](https://github.com/apache/doris/pull/45720) 
\ No newline at end of file
+- Resolved the issue where permission checks for `use db` did not distinguish 
between internal and external Catalogs. 
[#45720](https://github.com/apache/doris/pull/45720) 


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