That's the beauty of the Fujifilm loan thing, innit? I'm not sure that will bother me too much tbh; between the X-T20, X-T30, XT-1 and X-T4 I've owned (blimey), and the X-T5 I borrowed, I didn't really register much difference in the EVF experience.
If I get the X-E5 I'm planning on waiting...