Fixel-based analysis with MRtrix3

Hello, the official guideline of FBA I can find now is based on MRtrix0.3.16 ( Fixel-Based Analysis (FBA) — MRtrix 3.0 documentation), but some of the commands have been changed. Is there any new documentation with version3.0.3?
Thank you!

Indeed, there is! All the documentation is versioned as well. The link for 3.0.3 is here – but you’ll find that the fixel-based analysis page is now split into two, one the analysis of single-shell data, the other for multi-shell data.

In general, if you need a specific version of the docs, you can simply substitute the version number in the URL, or use the little menu at the bottom left:

Screenshot from 2022-05-03 10-49-23

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thank you very much!!!