# Firebase Studio UI Not Properly Rendering The Preview Window Simulator

**URL:** <https://community.firebasestudio.dev/t/firebase-studio-ui-not-properly-rendering-the-preview-window-simulator/11557>\
**Category:** UI / UX\
**Created:** [May 3, 2025, 11:34pm UTC](https://community.firebasestudio.dev/t/firebase-studio-ui-not-properly-rendering-the-preview-window-simulator/11557 "2025-05-03T23:34:14Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![conradwt](https://sea2.discourse-cdn.com/flex002/user_avatar/community.firebasestudio.dev/conradwt/32/5884_2.png) [@conradwt](https://community.firebasestudio.dev/u/conradwt)\
**Post date:** [May 3, 2025, 11:34pm UTC](https://community.firebasestudio.dev/t/firebase-studio-ui-not-properly-rendering-the-preview-window-simulator/11557/1 "2025-05-03T23:34:14Z")

</div>

I have been working through the following code lab:

> **[Building Agentic Apps with Flutter and Firebase Studio](https://atlantean-glyph-453717-k6.web.app/#0)**

After rebuild on the workspace, the preview window simulator is properly rendered for the application:

 ![Screenshot 2025-05-03 at 3.58.05 PM](https://us1.discourse-cdn.com/flex002/uploads/idxcommunity/original/2X/7/71af91ce476db9585e81f0e7af917a25f7fa1279.jpeg)

Next, I’m using the latest version of Chrome, 136.0.7103.49 (Official Build) (arm64). Also, I’m not seeing this issue with the latest version Safari and Firefox. Does anyone have any ideas?