Does this seem related? https://9to5mac.com/2020/04/28/new-bug-found-in-macos-can-quickly-fill-up-storage-when-importing-photos-with-image-capture/
"The problem discovered by the NeoFinder team is that the Mac adds 1.5MB of empty data to each converted photo, making the imported files larger for no reason. By looking inside these photos through a Hex-Editor, you can find a section full of zeroes, which results in unnecessarily larger files.” I know you’re not capturing images, just loading them, but It’s pretty suspiciously similar. > On May 8, 2020, at 11:53 AM, Gabriel Zachmann via Cocoa-dev > <cocoa-dev@lists.apple.com> wrote: > > Sometimes, when it switches from one image to the next, there is a noticeable > lag when the file size of the next image is very big, say, 50 MB or more. _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com