Issue 5 of Vostok (Oriens), published on 29.10.2021, has a couple of articles that relate to the Sasanian era, and others related to areas and eras covered by BiblioIranica:
- The Role and Place of the Middle Persian Language and Writing in Caucasian Albania by Murtazali S. Gadzhiev
See also the author’s upload. - The Caucasian Territorial Churches and the Sāsānid Commonwealth by Frank Schleicher