# What's New in Apache Pulsar 2.10.4

DevFeed: [What's New in Apache Pulsar 2.10.4](<https://devfeed.tech/articles/what-s-new-in-apache-pulsar-2-10-4-12750.md>)

Original publisher: [Read original article](<https://pulsar.apache.org/blog/2023/04/19/Apache-Pulsar-2-10-4/>)

Author: liangyepianzhou, Anonymitaet, momo-jun

Published: 2023-04-19T00:00:00Z

Content type: article

Language: en

Sources: [Apache Pulsar Blog](<https://devfeed.tech/sources/apache-pulsar-blog.md>)

Topics: [Apache Pulsar](<https://devfeed.tech/topics/pulsar.md>), [releases](<https://devfeed.tech/topics/releases.md>), [Release notes](<https://devfeed.tech/topics/release-notes.md>), [Optimization](<https://devfeed.tech/topics/optimization.md>), [Concurrency](<https://devfeed.tech/topics/concurrency.md>)

Tags: [apache](<https://devfeed.tech/tags/apache.md>), [broker](<https://devfeed.tech/tags/broker.md>), [bug-fixes](<https://devfeed.tech/tags/bug-fixes.md>), [concurrent](<https://devfeed.tech/tags/concurrent.md>), [contributors](<https://devfeed.tech/tags/contributors.md>), [efficiency](<https://devfeed.tech/tags/efficiency.md>), [error-handling](<https://devfeed.tech/tags/error-handling.md>), [improvements](<https://devfeed.tech/tags/improvements.md>), [performance](<https://devfeed.tech/tags/performance.md>), [releases](<https://devfeed.tech/tags/releases.md>), [subscriptions](<https://devfeed.tech/tags/subscriptions.md>)

## AI overview

Apache Pulsar 2.10.4 introduces improvements and bug fixes contributed through 12 commits. Highlights include better Key_Shared subscription performance, improved broker shutdown error handling, corrected cursor positioning, reduced lock contention with concurrent subscriptions, and support for deleting partitioned topics.

## Source excerpt

The Apache Pulsar community releases version 2.10.4! 37 contributors provided improvements and bug fixes that delivered 12 commits. Thanks for all your contributions.