Always show the same image in both windows in multi-window mode?

I would like to set one window to display the full image and set the 2nd window to 100% zoom to check the sharpness and would like to be able to go through the photos in a folder and have both views update to always display the same photo (i.e. without having to press additional buttons to make the 2nd window show the same image).
Is it currently possible to configure this? I have gone through the settings and haven't found a way to achieve this.
I think it would be a really useful feature to consider adding in the future :)

This is possible in the following way:

Drag and resize the Filmstrip panel to a second monitor (if available) or just from the main window (this panel will float)

Increase the thumbnail size to the maximum, and resize the Filmstrip so that the previews fit.

In the main window, have a zoomed image.

Switching images in the Filmstrip will change the image in the main window (zoom is preserved if Preferences - Zoom  Image zoom on next file is set to keep zoom ratio or keep image width)

What you're asking for (two windows in RAW View with different zoom levels) is currently unavailable. We'll consider adding it in future releases.

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Alex Tutubalin/FastRawViewer team