Russian milblog recounts development and frontline use of the 'Upyr' drone, claiming it helped hit an Abrams tank

A Russian milblog post describes the crowdfunded development of the 'Upyr' drone and its testing and use on the фронт (frontline). It claims the first 'Abrams' tank was struck using an 'Upyr' drone, but provides no specific date or location for the alleged engagement.