STEPS TO REPRODUCE 1. Set your Dolphin view mode to Compact and disable all Previews in Settings->Configure Dolphin->General->Previews 2. Put a 1000+ songs in one folder. 3. Open that folder in Dolphin and attempt to navigate to one item. OBSERVED RESULT Dolphin will start listing the directory and inspecting every single item (probably to draw an icon). This radically slows down the simple process of listing the items in the directory so much that a folder with over 1000 items is completely unusable. This is significantly worse on even a nfs4 mount over local gigabit LAN. EXPECTED RESULT List the items as quickly as `ls --color=never`. For extra detail like Previews and icons, do this in the background without disrupting the user. Perhaps prioritize items that the user has selected, then within view of the window, then the rest in the folder. SOFTWARE/OS VERSIONS Operating System: Gentoo Linux KDE Plasma Version: 5.23.5 KDE Frameworks Version: 5.92.0 Qt Version: 5.15.3 Kernel Version: 5.15.61 (64-bit) Graphics Platform: X11 Processors: 8 × 11th Gen Intel® Core™ i7-1165G7 @ 2.80GHz Memory: 31.1 GiB of RAM Graphics Processor: Mesa Intel® Xe Graphics ADDITIONAL INFORMATION Note that `ls` exhibits the same behaviour when --color is enabled. Run `ls --color=never` and this is how Dolphin should perform. Quickly.