Histogram - unlock proportions

[user0]

XnViewMP 1.4.4 64bit
Windows11 (22H2), display resolution 3840x2160, win scaling 150%

Suggestion
unlock Histogram proportions (free Aspect ratio) so it can stretch and use more space in its window

[xnview]

histogram use full height, on which image file do you have that?

[user0]

the screenshot is from Browser mode (same in Properties) and its like this for of all my files -
histogram's aspect ratio is locked to 1:2, no matter how you resize histogram window

[xnview]

Thanks to your detailed description I can reproduce the problem.

[xnview]

This problem is supposed to be fixed in XnView MP 1.4.5. Please check and confirm the bug fix here.

[user0]

fixed in 1.4.5