Hochschulrektorenkonferenz, Kultusministerkonferenz and VG Wort decides to allow usage of written materials until end of next summerterm. They announced to discuss a new solution until then.
Link to announcement:
https://www.hrk.de/presse/pressemitteilungen/pressemitteilung/?tx_ttnews[tt_news]=4091&cHash=f181d2743de706089ffd40d5ede58f30