Versions:

4.2.6
4.2.5
4.2.4
4.2.3
4.2.2
4.2.1
4.2.0
4.1.6
4.1.5
4.1.4

Companion 4.2.6, published by Bitfocus, transforms the consumer-oriented Elgato Stream Deck and comparable USB keypads into broadcast-grade control surfaces capable of commanding hundreds of professional audio, video, lighting, and networking devices from a single customizable interface. Originally conceived to give live-streamers tactile shortcuts for scene switching, the open-source project has evolved through ten major releases into a cross-platform automation hub now trusted by stadium AV crews, houses-of-worship technicians, corporate event producers, and cloud-based broadcasters who need instant, reliable command of vision mixers, PTZ cameras, media servers, lighting desks, presentation laptops, encoders, and even IoT relays. Each virtual button can fire single or compound actions—HTTP requests, OSC messages, MIDI commands, TCP/UDP strings, Sony VISCA, PJLink, Art-Net, WebSocket payloads, or shell scripts—while dynamic feedback keeps labels, colors, and PNG icons updated in real time to reflect tally, mute, record, or preview status. Users build reusable pages, nest folders, protect functions with PINs, and trigger macros from external GPI or time-of-day schedules; a built-in emulator lets engineers test configurations offline before deploying the same profile to dozens of operator stations. The software runs unobtrusively on Windows, macOS, and Linux, exposes a web-based admin panel for remote editing, and offers satellite instances that extend control to additional Stream Decks or iOS/Android tablets over the local network. Companion 4.2.6 is available for free on get.nero.com, with downloads provided via trusted Windows package sources such as winget, always delivering the latest version and supporting batch installation of multiple applications.

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