Jami does not launch fully

I installed Jami using the four lines of apt commands that are listed on the download page for Ubuntu 22.04. When I launch jami, nothing happens besides

Using Qt runtime version: 6.2.3 for a good minute with blinking cursor thereunder.

Then the following

(process:66323): libnotify-WARNING **: 14:51:27.239: Failed to connect to proxy

GLImplementation: desktop
Surface Type: OpenGL
Surface Profile: CompatibilityProfile
Surface Version: 4.6
Using Default SG Backend: yes
Using Software Dynamic GL: no
Using Angle: no

Init Parameters:
  *  application-name Jami 
  *  browser-subprocess-path /usr/lib/libqt-jami/libexec/QtWebEngineProcess 
  *  create-default-gl-context  
  *  disable-features DnsOverHttpsUpgrade,ConsolidatedMovementXY,InstalledApp,BackgroundFetch,WebOTP,WebPayments,WebUSB,PictureInPicture 
  *  disable-setuid-sandbox  
  *  disable-speech-api  
  *  disable-web-security  
  *  enable-features NetworkServiceInProcess,TracingServiceInProcess 
  *  enable-main-frame-before-activation  
  *  enable-threaded-compositing  
  *  in-process-gpu  
  *  lang en 
  *  num-raster-threads 4 
  *  single-process  
  *  use-gl desktop 

"Using locale: en_US"
14:51:27.423         os_core_unix.c !pjlib 2.12.1 for POSIX initialized
Daemon is running
No accounts to migrate
Screen saver dbus interface:  "org.freedesktop.ScreenSaver"
Exception getting account info. AccountModel::getAccountInfo, can't find 
Can't update current account info data for ""

(process:66323): dconf-WARNING **: 14:51:27.550: unable to open file '/etc/dconf/db/site': Failed to open file “/etc/dconf/db/site”: open() failed: No such file or directory; expect degraded performance
Main window loaded using OpenGLRhi
NetworkManager client initialized, version:  1.36.6 , daemon running: yes , networking enabled: yes
primary network connection: b8716423-03ed-310d-83ec-abf228785ada default:  yes

Any thought ? Thank you.
Ubuntu Studio 22.04 reinstalled one week ago, update-upgraded.
Ubuntu 22.04.2 LTS
Linux ux582lr 5.15.0-60-lowlatency #66-Ubuntu SMP PREEMPT Tue Jan 24 14:26:16 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux