I just wrote a similar script via GTP because I was missing this feature that I was used to from 3ds max. I really missed it. But I immediately came across your script and it is implemented more conveniently than I did. I will definitely use your script.
P.S. Delta transform is garbage.
Thank you for creating such a useful and long-needed add-on! Manage File Paths has already become an essential tool in my workflow.
I’d like to suggest a few improvements that could make it even better:
Multiple default search paths: It would be great to define several standard directories where the add-on should look for textures by default—and remember these paths across scenes and files, so we don’t have to re-enter them every time. Scrollable texture list: In large scenes, the file path list in the Scene tab can become very long. A collapsible panel with a resizable height and its own vertical scrollbar would greatly improve usability. Other than that, everything works smoothly and exactly as expected - really well done!