LibreWolf

On Pop!_OS, was able to install LibreWolf from the Pop Shop, and it accessed 1Password successfully
On macOS, 1Password extension did not work at one point, but does as of 2024-02-27
RFP (Resist FingerPrinting) sets the time zone to GMT, which messes with Riverbed among others. Turn it off in Settings > LibreWolf > Fingerprinting