For me, Bitwarden Pasword Manager app 2025.11.0 on IOS 26.1 had no issues scanning the sample QR at https://2fas.com/auth/check-token/ . The QR was displayed on my Windows 11 PC, using the iPhone camera to capture
For me, Bitwarden Authenticator 2025.12.0 (375) on IOS 26.1 had no issues scanning the sample QR at https://2fas.com/auth/check-token/ or at https://authenticationtest.com/totpChallenge/. The QR was displayed on my Windows 11 PC, using the iPhone camera to capture.
For me, Bitwarden Password Manager extension 2025.11.1 on Chrome 142.0.74444.176 Windows 11 had no issues scanning the sample QR at https://2fas.com/auth/check-token/ , although this “scans” the webpage behind the extension without the use of a camera.