---

id: client-java-2.9.4 title: Client Java 2.9.4 sidebar_label: Client Java 2.9.4

What's Changed

• [fix][client] Memory limit currentUsage leak and semaphore release duplicated in ProducerImpl #16971
• [fix][client] MaxQueueSize semaphore release leak in createOpSendMsg #16958
• [fix][client][txn] Use PulsarClient HashWheelTimer to schedule producer batch trigger task #18058