DiGAV is now in force.
The accompanying “Digitale-Gesundheitsanwendungen-Verordnung (DiGAV)”
https://www.bgbl.de/xaver/bgbl/start.xav?startbk=Bundesanzeiger_BGBl&jumpTo=bgbl120s0768.pdf#__bgbl__%2F%2F*%5B%40attr_id%3D%27bgbl120s0768.pdf%27%5D__1592376167435
The accompanying Guideline for DiGAV:
https://www.bfarm.de/SharedDocs/Downloads/DE/Service/Beratungsverfahren/DiGA-Leitfaden.pdf?__blob=publicationFile&v=2
General supporting background material
https://hih-2025.de/diga-summit-summary-video-docs-next-steps/
including an English summary
https://hih-2025.de/wp-content/uploads/2020/04/2020-06-02_DVG-Fast-Track-english-Slide-Deck_Website.pdf