PS: @colombene You might be interested in submitting your FSF talk to our FOSDEM Design Devroom. We organise a design related track at FOSDEM (Europe’s biggest free open source conference). It happens 5th February 2022. This year (due to the 
) it will be fully online.
You can find out more on our Call for Submissions:
If you’d like some help on creating the talk, or with the system, you can come ask a question on our FOSDEM 2022 support thread