[Bug]: Cast Removal is not saved for Slides

[nicokaiser]

NegPy version / build

0.58

OS

macOS 26

Scanner

Digital camera (macro/copy setup)

Scanner model / details

Sony A7 + Nikkor 50mm f/3.5

Light source

CineStill CS Lite

Correction mode

Off

Input ICC profile (if any)

No response

Relevant process-tab settings

Process: Slide
Normalization: off

What happened

When I process a slide, NegPy lets me adjust the Cast Removal, which is great for expired film with heavy color cast.
However, when I navigate to another frame, and then back to the original, the Cast Removal setting resets to 0.00.

Source file

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Screenshots

No response

[thetalkingdrum]

I think I found the problem. It's only if cast removal is set to 0.5 that it resets to zero. At least in my testing.