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cdc: deprecate the enable-old-value to the previous v7.4 release-note (
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3AceShowHand committed Aug 8, 2024
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Expand Up @@ -320,10 +320,11 @@ TiDB 版本:7.4.0
| TiCDC | [`large-message-handle-compression`](/ticdc/ticdc-sink-to-kafka.md#ticdc-层数据压缩功能) | 新增 | 控制是否开启编码时的压缩功能,默认为空,即不开启。|
| TiCDC | [`large-message-handle-option`](/ticdc/ticdc-sink-to-kafka.md#发送大消息到外部存储) | 修改 | 该配置项新增一个可选值 `claim-check`。当设置为 `claim-check` 时,TiCDC Kafka sink 支持在消息大小超过限制时将该条消息发送到外部存储服务,同时向 Kafka 发送一条含有该大消息在外部存储服务中的地址的消息。 |

## 废弃功能
## 废弃和删除的功能

+ [Mydumper](https://docs.pingcap.com/zh/tidb/v4.0/mydumper-overview) 计划在 v7.5.0 中废弃,其绝大部分功能已经被 [Dumpling](/dumpling-overview.md) 取代,强烈建议切换到 Dumpling。
+ TiKV-importer 组件计划在 v7.5.0 中废弃,建议使用 [TiDB Lightning 物理导入模式](/tidb-lightning/tidb-lightning-physical-import-mode.md)作为替代方案。
+ TiCDC 移除 `enable-old-value` 参数 [#9667](https://github.com/pingcap/tiflow/issues/9667) @[3AceShowHand](https://github.com/3AceShowHand)

## 改进提升

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