What type of hardware are you using: Virtual machine What YunoHost version are you running: 12.0.11 (stable) How are you able to access your server: The webadmin SSH Direct access via physical keyboard/screen Are you in a special context or did you perform specific tweaking on your YunoHost ins…

Solved: this turned out to be an issue with CryptPad: after uninstalling CryptPad I could successfully update my DynDNS