FYI, the version 4.084 has been promoted as stable, soon it will be available for download at volumio.com
in the meanwhile, it can be downloaded from the following links:
https://updates2.volumio.org/pi/volumio/4.084/Volumio-4.084-2025-12-25-pi.zip
https://updates2.volumio.org/x86_amd64/volumio/4.084/Volumio-4.084-2025-12-25-x86_amd64.zip
This version should solve most of the problems related to WiFi setup reported by several users