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tech 18 June 2026

Explore Audacity 4.0 Beta: A Better Qt Interface

Audacity 4.0 Beta has arrived with its new Qt interface, bringing significant visual and functional improvements. Discover what this means for users.

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Audacity 4.0 beta lets you test its new (nicer) Qt interface ↗ www.omgubuntu.co.uk

A Visual and Functional Revolution

Audacity, the renowned open-source audio editor, has reached a milestone with the release of version 4.0 Beta. This version introduces a new user interface built on Qt, replacing the old wxWidgets framework. Although the audio engine remains unchanged, this visual overhaul is a giant leap for a tool that, while effective, was often criticized for its outdated appearance.

Why Qt?

The choice of Qt for the user interface is significant. Qt is known for its flexibility and ability to deliver modern, responsive interfaces. For developers, this means a better user experience and a more robust foundation for future enhancements. Audacity users can now enjoy a more intuitive and customizable interface, making audio editing more accessible than ever.

New Features to Explore

Version 4.0 Beta is not just about a visual makeover. Among the new features are advanced spectral editing tools, allowing users to select and modify specific frequency ranges directly in the spectrogram. This opens up new possibilities for sound engineers and musicians looking to refine their audio projects.

Another notable addition is the redesigned envelope tool, which simplifies managing gain curves with drag-and-drop controls. Compatibility with Nyquist and VST3 plugins, as well as support for AudioUnits on macOS and LV2 on Linux, extends Audacity's capabilities far beyond its previous versions.

Compatibility and Limitations

While Audacity 4.0 Beta is backward compatible with 3.x project files, it's important to note that the reverse is not guaranteed. Users should back up their projects before opening them in the new version. Some features from version 3.x, such as tempo tracks and LADSPA plugins, are not yet included in Beta 4.0.

A Tool for the Future

With this update, Audacity aligns with modern expectations for audio editing. The ability to work on multiple projects simultaneously, save to the cloud via Audio.com, and enjoy new layout options makes this tool even more indispensable for audio content creators.

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Audacity 4.0 Qt Interface Audio Editing Open Source Beta Release
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