MrMonkey

No ports open to the internet except 80/443 on the reverse proxy

In terms of security, isn’t this kind of the same as just opening the server port to the internet, which many others are advising against?

Stremio is not proprietary and closed source. It’s open source and you can find all the code for client applications and server on their GitHub account - https://github.com/Stremio

I was a Bitwarden user for 2yrs and recently moved away to ProtonPass. Primary reason for me was native mobile apps and email alias feature. Although it doesn’t have a web version yet (which is planned and would be coming in future), browser add-ons and native apps cover what I need and migration was mostly seamless as well