Is there a way to use TeX/LaTeX equations with the Xmind software?
XMind 2020 version just launched the support for LaTeX (MathJax, to be precise). From the Release Notes, version 2020.3.23:
- LaTeX Equation - Insert professional equations right away, including mathematics and chemistry;
More Info: FAQ – What command does XMind Equation Support?
You're probably out of luck with that. According to the xmind support
there are something fundamental issues that prevent implementing rich-text support
Nevertheless, you are not alone, and an alternative apparently exists.