...as it can get quite annoying and cover part of the actual thing you want to see in the image. It also takes a very long time to auto-hide and only does so when the mouse leaves the window, apparently. Maybe just a toggle in the "View" menu. Thanks!
A possibly relevant merge request was started @ https://invent.kde.org/graphics/gwenview/-/merge_requests/34
Git commit 309660296dbba2f0c7b0bd93f49a91d96029211a by Nate Graham, on behalf of Madhav Kanbur. Committed on 01/02/2021 at 17:07. Pushed by ngraham into branch 'master'. Allow disabling Bird's Eye View FIXED-IN: 21.04 Signed-off-by: Madhav Kanbur <abcdjdj@gmail.com> M +2 -1 app/gwenviewui.rc M +1 -0 app/viewmainpage.cpp M +4 -3 doc/index.docbook M +17 -1 lib/documentview/documentview.cpp M +1 -0 lib/documentview/documentview.h M +12 -1 lib/documentview/documentviewcontroller.cpp M +4 -0 lib/gwenviewconfig.kcfg https://invent.kde.org/graphics/gwenview/commit/309660296dbba2f0c7b0bd93f49a91d96029211a