@thomc thanks. Apparently the old internal presence plugin in the JS SDK is now public: https://github.com/webex/webex-js-sdk/blob/next/packages/%40webex/plugin-presence/src/presence.ts . Sorry, I was still under the impression that it is internal as it was for many years, that's why I did not recommend it. But now that it's public, feel free to use it.
It can be used for getting updates on user statuses, but it's only designed for one user at a time. Setting up a listener for every user in your org might be too much, if done individually, so what I could recommend is maybe showing / pinning certain users (you could limit it to a certain number, like 5-10) and create presence websockets for those users in your app.
