The fifth MIRROR Virtual Project Meeting took place on 14 and 15 June 2021. During the meeting, a review of the activities carried out under the project was conducted ahead of the project’s Midterm review, scheduled for 14 July. During the meeting, the K&I team gave an account of the completion of the Report on the factors that can influence social acceptance of the MIRROR system and the ongoing activities concerning the development of the MIRROR Social Frame.