[FLINK-33567][Documentation] Add Flink compatibility matrix for Pulsar 4.0.0
diff --git a/docs/data/pulsar.yml b/docs/data/pulsar.yml
index f940c5f..23492e1 100644
--- a/docs/data/pulsar.yml
+++ b/docs/data/pulsar.yml
@@ -17,6 +17,7 @@
 ################################################################################
 
 version: 4.0.0
+flink_compatibility: [1.17]
 variants:
   - maven: flink-connector-pulsar
     sql_url: https://repo.maven.apache.org/maven2/org/apache/flink/flink-sql-connector-pulsar/$full_version/flink-sql-connector-pulsar-$full_version.jar
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