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The following commit(s) were added to refs/heads/4.2 by this push:
new 042fabfd2a6 MINOR: Fix the Client/Broker Forward Compatibility table
in compatibility page (#21209)
042fabfd2a6 is described below
commit 042fabfd2a60c8baecee8a30b4391547686ca6cf
Author: Ken Huang <[email protected]>
AuthorDate: Thu Dec 25 19:40:10 2025 +0800
MINOR: Fix the Client/Broker Forward Compatibility table in compatibility
page (#21209)
The formatting of this table is currently incorrect. <img width="885"
height="808" alt="image"
src="https://github.com/user-attachments/assets/6ee71dde-0d3d-44d3-8e82-49b5ab922f64";
/>
The following snapshot is for this patch. <img width="991" height="656"
alt="image"
src="https://github.com/user-attachments/assets/b9958eb0-0a73-47b4-99dd-359efaa60d08";
/>
Reviewers: Chia-Ping Tsai <[email protected]>
---
docs/getting-started/compatibility.md | 218 +++++++++++-----------------------
1 file changed, 70 insertions(+), 148 deletions(-)
diff --git a/docs/getting-started/compatibility.md
b/docs/getting-started/compatibility.md
index 098c912cf17..f2f47fc1dbf 100644
--- a/docs/getting-started/compatibility.md
+++ b/docs/getting-started/compatibility.md
@@ -273,156 +273,78 @@ before 3.2.x
✅
</td> </tr> </table>
-**Note: Can’t upgrade server from static voter to dynamic voter,
see[KAFKA-16538](https://issues.apache.org/jira/browse/KAFKA-16538).**
+**Note: Can’t upgrade server from static voter to dynamic voter, see
[KAFKA-16538](https://issues.apache.org/jira/browse/KAFKA-16538).**
## Client/Broker Forward Compatibility
-
-<table>
-<tr>
-<th>
-
-Kafka Version
-</th>
-<th>
-
-Module
-</th>
-<th>
-
-Compatibility with Kafka 4.0
-</th>
-<th>
-
-Key Differences/Limitations
-</th> </tr>
-<tr>
-<td>
-
-0.x, 1.x, 2.0
-</td>
-<td>
-
-Client
-</td>
-<td>
-
-❌ Not Compatible
-</td>
-<td>
-
-Pre-0.10.x protocols are fully removed in Kafka 4.0
([KIP-896](https://cwiki.apache.org/confluence/x/K5sODg)).
-</td> </tr>
-<tr>
-<td>
-
-Streams
-</td>
-<td>
-
-❌ Not Compatible
-</td>
-<td>
-
-Pre-0.10.x protocols are fully removed in Kafka 4.0
([KIP-896](https://cwiki.apache.org/confluence/x/K5sODg)).
-</td> </tr>
-<tr>
-<td>
-
-Connect
-</td>
-<td>
-
-❌ Not Compatible
-</td>
-<td>
-
-Pre-0.10.x protocols are fully removed in Kafka 4.0
([KIP-896](https://cwiki.apache.org/confluence/x/K5sODg)).
-</td> </tr>
-<tr>
-<td>
-
-2.1 ~ 2.8
-</td>
-<td>
-
-Client
-</td>
-<td>
-
-⚠️ Partially Compatible
-</td>
-<td>
-
-More details in the
[Consumer](/40/documentation.html#upgrade_400_notable_consumer),
[Producer](/40/documentation.html#upgrade_400_notable_producer), and [Admin
Client](/40/documentation.html#upgrade_400_notable_admin_client) section.
-</td> </tr>
-<tr>
-<td>
-
-Streams
-</td>
-<td>
-
-⚠️ Limited Compatibility
-</td>
-<td>
-
-More details in the [Kafka
Streams](/40/documentation.html#upgrade_400_notable_kafka_streams) section.
-</td> </tr>
-<tr>
-<td>
-
-Connect
-</td>
-<td>
-
-⚠️ Limited Compatibility
-</td>
-<td>
-
-More details in the
[Connect](/40/documentation.html#upgrade_400_notable_connect) section.
-</td> </tr>
-<tr>
-<td>
-
-3.x
-</td>
-<td>
-
-Client
-</td>
-<td>
-
-✅ Fully Compatible
-</td>
-<td>
-
-
-</td> </tr>
-<tr>
-<td>
-
-Streams
-</td>
-<td>
-✅ Fully Compatible
-</td>
-<td>
-
-
-</td> </tr>
-<tr>
-<td>
-
-Connect
-</td>
-<td>
-
-✅ Fully Compatible
-</td>
-<td>
-
-
-</td> </tr> </table>
+<table>
+ <tr>
+ <th>Kafka Version</th>
+ <th>Module</th>
+ <th>Compatibility with Kafka 4.0</th>
+ <th>Key Differences/Limitations</th>
+ </tr>
+ <tr>
+ <td rowspan="3">0.x, 1.x, 2.0</td>
+ <td>Client</td>
+ <td>❌ Not Compatible</td>
+ <td>
+
+Pre-0.10.x protocols are fully removed in Kafka 4.0
([KIP-896](https://cwiki.apache.org/confluence/x/K5sODg)).
+</td>
+ </tr>
+ <tr>
+ <td>Streams</td>
+ <td>❌ Not Compatible</td>
+ <td>
+
+Pre-0.10.x protocols are fully removed in Kafka 4.0
([KIP-896](https://cwiki.apache.org/confluence/x/K5sODg)).</td>
+ </tr>
+ <tr>
+ <td>Connect</td>
+ <td>❌ Not Compatible</td>
+ <td>
+
+Pre-0.10.x protocols are fully removed in Kafka 4.0
([KIP-896](https://cwiki.apache.org/confluence/x/K5sODg)).</td>
+ </tr>
+ <tr>
+ <td rowspan="3">2.1 ~ 2.8</td>
+ <td>Client</td>
+ <td>⚠️ Partially Compatible</td>
+ <td>
+
+More details in the
[Consumer](/40/documentation.html#upgrade_400_notable_consumer),
[Producer](/40/documentation.html#upgrade_400_notable_producer), and [Admin
Client](/40/documentation.html#upgrade_400_notable_admin_client) section.</td>
+ </tr>
+ <tr>
+ <td>Streams</td>
+ <td>⚠️ Limited Compatibility</td>
+ <td>
+
+More details in the [Kafka
Streams](/40/documentation.html#upgrade_400_notable_kafka_streams) section.</td>
+ </tr>
+ <tr>
+ <td>Connect</td>
+ <td>⚠️ Limited Compatibility</td>
+ <td>
+
+More details in the
[Connect](/40/documentation.html#upgrade_400_notable_connect) section.</td>
+ </tr>
+ <tr>
+ <td rowspan="3">3.x</td>
+ <td>Client</td>
+ <td>✅ Fully Compatible</td>
+ <td>—</td>
+ </tr>
+ <tr>
+ <td>Streams</td>
+ <td>✅ Fully Compatible</td>
+ <td>—</td>
+ </tr>
+ <tr>
+ <td>Connect</td>
+ <td>✅ Fully Compatible</td>
+ <td>—</td>
+ </tr>
+</table>
Note: Starting with Kafka 4.0, the `--zookeeper` option in AdminClient
commands has been removed. Users must use the `--bootstrap-server` option to
interact with the Kafka cluster. This change aligns with the transition to
KRaft mode.
