@cm Indeed. For a second, I thought the LaTeX display would somehow be embedded in the toot, but a look in the browser console shows that qoto.org simply calls MathJax. So LaTeX rendering will only work in the QOTO web UI, unless we can convince all other Mastodon instances to load MathJax too ;-)
I wonder if a switch to KaTeX instead of MathJax would make any difference?