# Desktop to Mobile View Banner

**URL:** https://meta.discourse.org/t/desktop-to-mobile-view-banner/245532
**Category:** Theme component
**Tags:** mobile, end-of-life
**Created:** [November 14, 2022, 4:01pm UTC](https://meta.discourse.org/t/desktop-to-mobile-view-banner/245532 "2022-11-14T16:01:44Z")
**Posts on this page:** 1
**Showing post:** 4

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### Author: ![Roi](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/roi/32/130587_2.png) [@Roi](https://meta.discourse.org/u/Roi)
#### Post date: [July 18, 2026, 9:39am UTC](https://meta.discourse.org/t/desktop-to-mobile-view-banner/245532/4 "2026-07-18T09:39:52Z")

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Is this component still maintained? I’m seeing this after upgrading Discourse today:

`[THEME 9 'Desktop to Mobile View Banner'] DEPRECATION NOTICE: The file 'theme-9/discourse/templates/connectors/below-site-header/desktop-to-mobile-view-banner.hbs' uses the deprecated .hbs extension. Refactor it to use '.gjs' instead. [deprecation id: discourse.hbs-extension] [info: https://meta.discourse.org/t/398896]`

> [@Deprecating .hbs file extension in themes and plugins](https://meta.discourse.org/t/398896):
>
> In the latest version of Discourse, using .hbs files in themes and plugins is deprecated. Support for this file format will be removed after the next ESR release. Handlebars templates should be replaced with the more modern .gjs format, which provides a much better development experience, and will enable large performance improvements in future versions of Discourse. For simple cases, share your code with [https://ask.discourse.com/](https://ask.discourse.com/), and ask it to rewrite in the .gjs format. For more complex c…

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