We have 2 reviews in PDF format:
The Magic Circle – Magic Circular
http://www.jonathanallen.info/EMHC.review.Vienna.2019.©J.Allen&TMC-.pdf
3 pages, English
Magic Circle Austria – ALADIN
https://emhc2019.files.wordpress.com/2019/11/emhc2019_aladin.pdf
12 pages, German
In the meantime two reviews of the vienna meeting are online:
Jan Isenbart:
https://zzzauber.wordpress.com/2019/08/26/some-collected-impressions-from-the-8th-emhc-in-vienna/