The other gallery wasn't getting updated, so I made my own. It should be the most complete and up-to-date of UmaYon translations currently available. All credit for the translation belongs to people at the UmaMusu Discord; head over there if you want to help them out.
Update: added chapters 44-47.
Sources: Chapters 1-13, 37-47 (p. 1-27, 74-95): https://mangadex.org/title/43997/umayon-mini-comics Chapters 14-36 (p. 28-73): https://umamusume.tumblr.com/ - these are now also available on MangaDex. Chapters 83, 91, 92, 99 (p. 96-103): https://twitter.com/uma_musu_en