tidb-binlog: deprecate binlog as a data sync tool (#15273) (#15425)

tidb-binlog/bidirectional-replication-between-tidb-clusters.md

@@ -7,7 +7,10 @@ summary: Learn how to perform the bidirectional replication between TiDB cluster
 
 > **Warning:**
 >
-> Currently, bidirectional replication is still an experimental feature. It is **NOT** recommended to use it in the production environment.
+> - Currently, bidirectional replication is still an experimental feature. It is **NOT** recommended to use it in the production environment.
+> - TiDB Binlog is not compatible with some features introduced in TiDB v5.0 and they cannot be used together. For details, see [Notes](/tidb-binlog/tidb-binlog-overview.md#notes).
+> - Starting from TiDB v7.5.0, technical support for the data replication feature of TiDB Binlog is no longer provided. It is strongly recommended to use [TiCDC](/ticdc/ticdc-overview.md) as an alternative solution for data replication.
+> - Although TiDB v7.5.0 still supports the real-time backup and restoration feature of TiDB Binlog, this component will be completely deprecated in future versions. It is recommended to use [PITR](/br/br-pitr-guide.md) as an alternative solution for data recovery.
 
 This document describes the bidirectional replication between two TiDB clusters, how the replication works, how to enable it, and how to replicate DDL operations.
 

tidb-binlog/tidb-binlog-overview.md

@@ -16,7 +16,9 @@ TiDB Binlog has the following features:
 
 > **Note:**
 >
-> TiDB Binlog is not compatible with some features introduced in TiDB v5.0 and they cannot be used together. For details, see [Notes](#notes). It is recommended to use [TiCDC](/ticdc/ticdc-overview.md) instead of TiDB Binlog.
+> - TiDB Binlog is not compatible with some features introduced in TiDB v5.0 and they cannot be used together. For details, see [Notes](#notes).
+> - Starting from TiDB v7.5.0, technical support for the data replication feature of TiDB Binlog is no longer provided. It is strongly recommended to use [TiCDC](/ticdc/ticdc-overview.md) as an alternative solution for data replication.
+> - Although TiDB v7.5.0 still supports the real-time backup and restoration feature of TiDB Binlog, this component will be completely deprecated in future versions. It is recommended to use [PITR](/br/br-pitr-guide.md) as an alternative solution for data recovery.
 
 ## TiDB Binlog architecture
 

tidb-binlog/upgrade-tidb-binlog.md

@@ -7,6 +7,12 @@ summary: Learn how to upgrade TiDB Binlog to the latest cluster version.
 
 This document introduces how to upgrade TiDB Binlog that is deployed manually to the latest [cluster](/tidb-binlog/tidb-binlog-overview.md) version. There is also a section on how to upgrade TiDB Binlog from an earlier incompatible version (Kafka/Local version) to the latest version.
 
+> **Note:**
+>
+> - TiDB Binlog is not compatible with some features introduced in TiDB v5.0 and they cannot be used together. For details, see [Notes](/tidb-binlog/tidb-binlog-overview.md#notes).
+> - Starting from TiDB v7.5.0, technical support for the data replication feature of TiDB Binlog is no longer provided. It is strongly recommended to use [TiCDC](/ticdc/ticdc-overview.md) as an alternative solution for data replication.
+> - Although TiDB v7.5.0 still supports the real-time backup and restoration feature of TiDB Binlog, this component will be completely deprecated in future versions. It is recommended to use [PITR](/br/br-pitr-guide.md) as an alternative solution for data recovery.
+
 ## Upgrade TiDB Binlog deployed manually
 
 Follow the steps in this section if you deploy TiDB Binlog manually.