> ## 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.

# V4.2.1.18

# StreamNative Weekly Release Notes v4.2.1.18

## Download

### Distributions

* [https://github.com/streamnative/pulsar/releases/tag/v4.2.1.18](https://github.com/streamnative/pulsar/releases/tag/v4.2.1.18)

### Packages

* [Maven Central](https://search.maven.org/artifact/io.streamnative/pulsar/4.2.1.18/pom)

### Images

* [sn-platform](https://hub.docker.com/layers/streamnative/sn-platform/4.2.1.18/images/sha256-92027ea78c3a8491c89e271a03ddc74d860d62c4af53f1ddaffd8c8adb526f05)

* [sn-platform-slim](https://hub.docker.com/layers/streamnative/sn-platform-slim/4.2.1.18/images/sha256-5588433a10ca9d01e1cb51a42bf435a8664905a55bcd14a24af58889843f5aa3)

* [private-cloud](https://hub.docker.com/layers/streamnative/private-cloud/4.2.1.18/images/sha256-5588433a10ca9d01e1cb51a42bf435a8664905a55bcd14a24af58889843f5aa3)

## General Changes

### Apache Pulsar

([#26759](https://github.com/apache/pulsar/pull/26759)) \[improve]\[misc]\[branch-4.x] Upgrade Jackson to 2.18.11

([#26736](https://github.com/apache/pulsar/pull/26736)) \[fix]\[cli] Avoid inheriting broker initial heap settings in tools

([#26733](https://github.com/apache/pulsar/pull/26733)) \[fix]\[client] Release connections opened after close

### StreamNative Pulsar Plugins

fix(detector): support rotating token files

d4452af9d Stabilize Azure workload identity cloud storage test

### Function Mesh Worker Service

f8fb38c2 ci: Replace unavailable MinIO fixtures with RustFS

### StreamNative Unified RBAC

fix: preserve authentication provider identity in authorization cache (4.2)

## Security Fixes


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