Flatpak from gnomw-nightly broken?

flatpak run org.gnome.Shotwell
(shotwell:2): GLib-CRITICAL **: 10:39:44.987: g_strsplit: assertion 'string != NULL' failed


flatpak info org.gnome.Shotwell
샷웰 - Digitaler Foto-Organisator

          ID: org.gnome.Shotwell
         Ref: app/org.gnome.Shotwell/x86_64/master
        Arch: x86_64
      Branch: master
     License: LGPL-2.1+
      Origin: gnome-nightly
  Collection: org.gnome.Nightly
Installation: system
   Installed: 56,3 MB
     Runtime: org.gnome.Platform/x86_64/40
         Sdk: org.gnome.Sdk/x86_64/40

      Commit: 842830fe04e3d57d3dc4923afbcd8110c8d7ab7cee60bac92634b099e590a291
      Parent: da16c191d5521f3193e6a212d712e5b7d65e4079316da575bd9a1ef7035b2f96
     Subject: Export org.gnome.Shotwell
        Date: 2021-07-11 23:11:09 +0000

(No Idea why flatpak thinks I should read this in Korean and German, my System is set to US-English, with a Korean keyboard layout and German currency and units)

UPDATE: apt pulled some updates from gnome-nightly and it now works again.