When the Options dialog is open, the Log View dialog cannot receive focus.

Clicking the Log View in the taskbar or window list briefly highlights it but focus returns to the Options dialog.

This happens because the Options dialog uses ApplicationModal modality, which blocks interaction with all other application windows, including the Log View, which is an independent top-level window (Qt.WindowType.Window).
  
The fix would be to change the Options dialog from ApplicationModal to WindowModal, so it only blocks its parent (the main window) while leaving sibling top-level windows like the Log View interactive. But it has perhaps drawbacks so any change has to be carefully evaluated.