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kovidgoyal · 04-29-2015, 11:26 PM

All books covers should never be opened, only a few books "around" the current book. Different components in the UI open the covers separately, the grid view, the cover browser, the book details panel. The first two also maintain small in memory caches (they have to be separate since the sizes of the displayed covers are different). However, if you hide both the cover browser and the grid view, then you should be seeing only cover opens coming from the book details panel which should be one at a time.

If that does not explain what you are seeing, let me know and I will take a look.

04-29-2015, 11:26 PM	#944
kovidgoyal creator of calibre Posts: 45,494 Karma: 28005164 Join Date: Oct 2006 Location: Mumbai, India Device: Various	All books covers should never be opened, only a few books "around" the current book. Different components in the UI open the covers separately, the grid view, the cover browser, the book details panel. The first two also maintain small in memory caches (they have to be separate since the sizes of the displayed covers are different). However, if you hide both the cover browser and the grid view, then you should be seeing only cover opens coming from the book details panel which should be one at a time. If that does not explain what you are seeing, let me know and I will take a look. Last edited by kovidgoyal; 04-29-2015 at 11:29 PM.