Possible glitch when changing the window size from full screen to normal mode in widescreen view?

When restoring main window from full screen mode to normal mode, the adjustment of different panes and inspector bar seems disproportional. Perhaps there is no good way to guess the appropriate ratio of three areas, so the size of inspector bar is set to be fixed?
Full screen, proportion adjusted by user:

After hitting key esc and restore to normal mode:

You have a huge discrepancy in the reported resolutions of your images. :thinking:

They are actual-size captures, full screen vs normal mode. Will try to reduce the size of files in the future,

Is this a multi-monitor setup or using a TV as a monitor?

iMac but attach with a 34" 4K monitor as the main display to maximise the display area…