Mac Os 10.15.7: Whatsapp Web

WhatsApp Web is a browser-based version of WhatsApp. Since it runs inside a web browser, it works perfectly on Catalina, provided you use a supported, up-to-date browser.

Supported browsers on macOS 10.15.7:

Step-by-step setup:

Messages not syncing / disconnected

Notifications not appearing

Desktop app won’t install or run

Slow performance or crashes

You cannot install the official WhatsApp.dmg from the website, but you might be able to install an older version that still supports Catalina. whatsapp web mac os 10.15.7

Since you are using the web version rather than the dedicated macOS app, a few limitations exist: WhatsApp Web is a browser-based version of WhatsApp