Just released #Hollo 0.5.3 (ghcr.io/fedify-dev/hollo:0.5.3), 0.4.9 (ghcr.io/fedify-dev/hollo:0.4.9), and 0.3.8 (ghcr.io/fedify-dev/hollo:0.3.8), which fix interoperability issues with some software including @mitra. (Thanks for @silverpill's bug report.)