Impossible to make Vaultwarden and Tailscale work (infinite Bitwarden Vault loading)

So i'd like to have my own Self Hosted PassWord manager. Idealy, securely accessible from outsite home, without having to open my Router Ports.

After hours of work, I just can't manage to get Vaultwarden work on my ZimaOS NAS.

I tried to set this up using DuckDNS + Nginx + Caddy OR just Tailscale + Vaultwarden.

But every time i have the same problem: when trying to log into a website, Bitwarden, the browser module, cannot retrieve information i think. And just doesn't work.

I can access the Vaultwarden web app, add items to my vault and all. But can't create new Logins from the browser Bitwarden extention, nor see my Vault from the browser.

That has been the issue with both methods that i tried in order to have my self hosted password manager.

I don't know what did i missed. HTTPS and MagicDNS are both activated in Tailscale, the domain is correct on Vaultwarden config…

I'm a noob in the topic, and even selfhosting is very new to me, so I probably missed something. Could use some help then.

Edit: I've noticed that when adding a Vaultwarden folder via the Web App, I can see it appearing on the Bitwarden browser extension (in "Vault options" -> "Folders"). But still can't see or use my Logins.

EDIT: Looks like i needed to force a Vaultwarden update in my ZimaOS NAS Terminal to solve this issue. I have no idea if it was indeed the problem, but my App Store show an old and newer Vaultwarden version. Everything work since the manual update