Strange crop when loading some Fujifilm RAW files

I have an issue opening some of my .RAF (lossless compressed) format files from my Fujifilm X-T4. There is a strange crop applied to some of my images when I open them in RawTherapee. I do not have this issue with alternative Raw processors using the identical image file. I cannot discern a pattern as to what is causing this issue as It only happens to some images

It seems similar to the issue described in this post: Issue with opening RAF (Fuji) raw format files in RawTherapee, however, as I am on version 5.8, updating RawTherapee is not a viable solution.

Any help would be much appreciated.

Here is a Raw file I am experiencing this issue with:
DSCF1308.RAF (27.2 MB)

Rawtherapee version: 5.8
Windows 10 Version 1909

It’s good you found the other thread. Really the only way to solve this issue is to wait for 5.9 to be released (no concrete date yet), or to use a nightly build from here:
The issue has been solved in those. See here:

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FWIW I can open it with no crop in a recent Dev build, 5.8-2482, on Windows 10 2004