---
title: Java-SDK - 3.4.0-beta
slug: feature-experimentation/release-notes/java-sdk-3-4-0-beta
docTags: 
createdAt: 2026-07-20T15:45:33.056Z
---

\## 3.4.0-beta
July 24th, 2019

\### New Features:
\- Introduced \`EventProcessor\` interface with \`BatchEventProcessor\` implementation.
\- Introduced \`LogEvent\` notification.
\- Added \`BatchEventProcessor\` as the default implementation within the \`OptimizelyFactory\` class.

\### Deprecated
\- \`LogEvent\` was deprecated from \`TrackNotification\` and \`ActivateNotification\` notifications in favor of explicit \`LogEvent\` notification.

[https://github.com/optimizely/java-sdk/releases/tag/3.4.0-beta](https://github.com/optimizely/java-sdk/releases/tag/3.4.0-beta)