> ## Documentation Index
> Fetch the complete documentation index at: https://docs.streamnative.io/llms.txt
> Use this file to discover all available pages before exploring further.

# V4.2.1.10

# StreamNative Weekly Release Notes v4.2.1.10

## Download

### Distributions

* [https://github.com/streamnative/pulsar/releases/tag/v4.2.1.10](https://github.com/streamnative/pulsar/releases/tag/v4.2.1.10)

### Packages

* [Maven Central](https://search.maven.org/artifact/io.streamnative/pulsar/4.2.1.10/pom)

### Images

* [sn-platform](https://hub.docker.com/layers/streamnative/sn-platform/4.2.1.10/images/sha256-7e04d8af23111f38839283dd72f44539e70f22ae03be79aa52ff36ffbdbecdfa)

* [sn-platform-slim](https://hub.docker.com/layers/streamnative/sn-platform-slim/4.2.1.10/images/sha256-9f94405d448746c3ecdd669eb4005331e203c7d77eeb0ef8806f19c2914ddf75)

* [private-cloud](https://hub.docker.com/layers/streamnative/private-cloud/4.2.1.10/images/sha256-9f94405d448746c3ecdd669eb4005331e203c7d77eeb0ef8806f19c2914ddf75)

## General Changes

### Apache Pulsar

([#26242](https://github.com/apache/pulsar/pull/26242)) \[fix]\[broker] Fix delayed-delivery bucket merge failures when delayedDeliveryMaxNumBuckets is 1-3

([#25857](https://github.com/apache/pulsar/pull/25857)) \[fix]\[client] Avoid exception in ConsumerImpl hasMessageAvailable before first receive

([#26247](https://github.com/apache/pulsar/pull/26247)) \[fix]\[ml] Tolerate concurrent creation of the managed ledger z-node

([#26203](https://github.com/apache/pulsar/pull/26203)) \[fix]\[broker] Log exception in PulsarMetadataEventSynchronizer failure path

([#26141](https://github.com/apache/pulsar/pull/26141)) \[fix]\[test] Await reader reconnect after seek() to fix flaky TopicReaderTest assertions

([#26121](https://github.com/apache/pulsar/pull/26121)) \[improve]\[fn] Standardize log4j2 Root logger configuration to use system property

([#26219](https://github.com/apache/pulsar/pull/26219)) \[improve]\[broker]\[branch-4.2] Upgrade bookkeeper to 4.17.4

### MoP

04d1aa56 fix

### KoP

\[fix] Remove the NotOwnedBundleHandler

### StreamNative Pulsar Plugins

3cd25b00e Cleanup docker disk usage

### Function Mesh Worker Service

9aad6581 fix bump version error

registry-service: handle missing connector config definitions

registry-service: Align list pagination with Claude

## Security Fixes

### Apache Pulsar

([#26250](https://github.com/apache/pulsar/pull/26250)) \[fix]\[sec] Upgrade lz4-java to 1.11.1 to address CVE-2026-59949

([#26235](https://github.com/apache/pulsar/pull/26235)) \[fix]\[sec] Upgrade grpc in pulsar-function-go to 1.82.1 to fix GHSA-hrxh-6v49-42gf

([#26231](https://github.com/apache/pulsar/pull/26231)) \[fix]\[sec] Bump google.golang.org/grpc from 1.79.3 to 1.82.1 in /pulsar-function-go/examples

([#26270](https://github.com/apache/pulsar/pull/26270)) \[fix]\[sec]\[branch-4.2] Upgrade Spring to 7.0.8