| --- |
| id: client-java-4.0.3 |
| title: Client Java 4.0.3 |
| sidebar_label: Client Java 4.0.3 |
| --- |
| |
| - [fix][sec] Upgrade to Netty 4.1.118 to address [CVE-2025-24970](https://github.com/netty/netty/security/advisories/GHSA-4g8c-wm8x-jfhw) ([#23965](https://github.com/apache/pulsar/pull/23965)) |
| - [feat][client] Support forward proxy for the ZTS server in pulsar-client-auth-athenz ([#23947](https://github.com/apache/pulsar/pull/23947)) |
| - [fix] Avoid NPE when closing an uninitialized SameAuthParamsLookupAutoClusterFailover ([#23911](https://github.com/apache/pulsar/pull/23911)) |
| - [fix] Initialize UrlServiceProvider before trying to use transaction coordinator ([#23914](https://github.com/apache/pulsar/pull/23914)) |
| - [fix][client] Fix LoadManagerReport not found ([#23886](https://github.com/apache/pulsar/pull/23886)) |
| - [fix][client] Fix memory leak in ClientCnx.newLookup when there's TooManyRequestsException ([#23971](https://github.com/apache/pulsar/pull/23971)) |
| - [fix][client] Fix memory leak when message size exceeds max message size and batching is enabled ([#23967](https://github.com/apache/pulsar/pull/23967)) |
| - [fix][client] call redeliver 1 msg but did 2 msgs ([#23943](https://github.com/apache/pulsar/pull/23943)) |
| - [fix][client] fix retry topic with exclusive mode. ([#23859](https://github.com/apache/pulsar/pull/23859)) |
| - [improve][client] Avoid logging errors for retriable errors when creating producer ([#23935](https://github.com/apache/pulsar/pull/23935)) |
| - [improve][client] Update TypedMessageBuilder deliverAfter and deliverAt api comment ([#23969](https://github.com/apache/pulsar/pull/23969)) |
| - [improve][cli] Support additional msg metadata for V1 topic on peek message cmd ([#23978](https://github.com/apache/pulsar/pull/23978)) |
