Native WhatsApp software coming to Mac thanks to Catalyst
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WhatsApp is working on a new Mac app that uses Apple's Mac Catalyst development framework and this will let it use system resources more efficiently.
WhatsApp — owned by Meta — currently offers a web-based Electron app for Mac users alongside its web app through browsers. The new app has been in a closed beta for a few months, but now anyone can download the 85.1MB file on macOS Big Sur or later on the WhatsApp website.
After installation, it will present a QR code for users to scan with their iPhone and link their account using the WhatsApp iOS app. The three-panel interface inside the Mac app offers access to archived chats, starred messages, phone calls, and settings.
The Catalyst app offers features not found in the Electron version, such as file drag-and-drop functionality and a spell-checker.
Electron versus Catalyst
Electron and Catalyst are software development frameworks that help developers create desktop apps. Electron's goal is to simplify app development that wraps code inside a version of the Chromium browser engine.
The web-based nature means that Electron apps can't offer the same functionality as native apps, such as those built using Catalyst.
Apple built the Catalyst framework to help developers create Mac apps that share code with their iPad apps. It can automatically bring iPad-specific features and port them into compatible macOS features.
Meta has yet to release WhatsApp on the iPad. It's not clear if the Mac app is springing from iOS code, or if the iPad will get a version based on what's released for the Mac.