Well, the Shotwell logo is a long time ago, so I redesigned the logo based on GNOME’s Adwaita brand identity:
Heads-up: @jensgeorg
Very nice, thank you. Would you mind making a merge request against the Shotwell repository?
Thank you! I’d be happy to submit a merge request, but I’m having trouble accessing GNOME GitLab. Account creation is being blocked because my IP address is flagged, and signing in with my GitLab.com account does not seem to work either. Do you know of an alternative way I could submit the logo?
Did you contacted infrastructure team?
Logo looks nice 
Although it’s flat. Adwaita icons generally aren’t flat, you can see it e.g. here data/icons/hicolor/scalable/apps/org.gnome.Nautilus.svg · main · GNOME / Files · GitLab
to be fair, Shotwell isn’t Adwaita as well 