The latest version of Tectonic is 0.15.0 (i.e. pre-release), and is dated February 5, 2024. Looking at the contributions on GitHub [1], there's not much activity happening in the repo.
Frankly, there are better ways to get and use TeX and friends (i.e. LaTeX, XeTeX, XeLaTeX, etc.); see https://www.latex-project.org/get/
Frankly, there are better ways to get and use TeX and friends (i.e. LaTeX, XeTeX, XeLaTeX, etc.); see https://www.latex-project.org/get/
[1] https://github.com/tectonic-typesetting/tectonic/graphs/cont...