Jitsi Desktop on fresh Ubuntu 20.04

Hello,

I’m installing Jitsi Desktop unstable on a fresh Ubuntu 20.04.

Reading package lists... Done
Building dependency tree       
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
 jitsi : Depends: libavformat57 but it is not installable or
                  libavformat-ffmpeg56 but it is not installable
         Depends: libavcodec57 but it is not installable or
                  libavcodec-extra57 but it is not installable or
                  libavcodec-ffmpeg56 but it is not installable or
                  libavcodec-ffmpeg-extra56 but it is not installable
         Depends: libavfilter6 but it is not installable or
                  libavfilter-extra6 but it is not installable or
                  libavfilter-ffmpeg5 but it is not installable
         Depends: libavutil55 but it is not installable or
                  libavutil-ffmpeg54 but it is not installable
         Depends: libswscale4 but it is not installable or
                  libswscale-ffmpeg3 but it is not installable
E: Unable to correct problems, you have held broken packages.

I think the problem was solved on 23 Jan, but the last version, i.e. 5633, is not in the repository.

How can I install Jitsi?