Just released #Hollo 0.5.4 (ghcr.io/fedify-dev/hollo:0.5.4), 0.4.10 (ghcr.io/fedify-dev/hollo:0.4.10), and 0.3.9 (ghcr.io/fedify-dev/hollo:0.3.9), which fix interoperability issues with some software including @mitra. (Thanks for @silverpill's bug report.)