The free and open-source audio editor Audacity has officially released version 4.0, representing the most significant architectural overhaul in the software's two-decade history. Released today by the development team on GitHub, the new version rebuilds the application interface on the Qt framework, introducing native high-DPI rendering and fundamentally changing how users interact with the program. At the heart of the update is a new clip-editing model that replaces decades-old track-based workflows. Users can now select and manipulate clips directly by clicking on clip headers, with the ability to group multiple clips together for synchronized movement, copying, and pasting. The traditional separate tool modes, Select, Envelope, Draw, and Multi-tool, have been eliminated in favor of context-sensitive behavior, with functions like splitting now accessible via keyboard shortcuts or waveform interaction. The release also introduces workspace presets (Modern, Classic, and Music) that all...