> ## 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.

# V4.0.0.1

# StreamNative Weekly Release Notes v4.0.0.1

## Download

### Distributions

* [https://github.com/streamnative/pulsar/releases/tag/v4.0.0.1](https://github.com/streamnative/pulsar/releases/tag/v4.0.0.1)

### Packages

* [Maven Central](https://search.maven.org/artifact/io.streamnative/pulsar/4.0.0.1/pom)

### Images

* [sn-platform](https://hub.docker.com/layers/streamnative/sn-platform/4.0.0.1/images/sha256-6afa0ecd618c99eccb454bc9d4c8bff545041dff48ede8ca3a77d5a3453ac5f5)

* [sn-platform-slim](https://hub.docker.com/layers/streamnative/sn-platform-slim/4.0.0.1/images/sha256-b24a1a362f4342a9a1af939b8a13e38e8afafd1584387b4834af3a96a92a2092)

* [private-cloud](https://hub.docker.com/layers/streamnative/private-cloud/4.0.0.1/images/sha256-b24a1a362f4342a9a1af939b8a13e38e8afafd1584387b4834af3a96a92a2092)

## General Changes

### Apache Pulsar

\[improve]\[io] Upgrade Spring version to 6.1.14 in IO Connectors

\[improve]\[io] Upgrade Spring version to 6.1.13 in IO Connectors

### KoP

Refactor the transaction implementation to make it align with Kafka

### StreamNative Ursa storage

Parquet read perfomance improvement

Delay metadata update task for managedLedger

Introduce compact cordinator.

Fix flaky test `testReadAfterTrimmed`

Decrease s3OpsRateLimitPerSecond to 100

Fix delete topic failed when not load

Fix compaction otel paramter

## Security Fixes