---
title: Changelog
slug: viewer-2d/changelog
docTags: 
createdAt: 2025-03-26T17:01:49.572Z
---

Periodically, we update the 2D Viewer SDK with new features, improvements, and bug fixes. This page lists all the changes made to the SDK.

## 2025-03-05

- **Updated** `three.js` to r171.
- **Changed** the viewer window behaviour to resize without affecting zoom.