Replacing it by a Logitech bluetooth mouse brought back scrolling via mouse wheel in a controlled way. You got me, I was indeed using also a magic mouse for scrolling. get a Linux thanks a lot for your feedback.same workflow on a rather old, slow Linux machine is blazing fast with 3.2.1.changing theme does not have any effect on the described behaviour.no difference when scrolling with mouse or trackpad.opencl_device_priority=!Intel(R) UHD Graphics 630, /!AMD Radeon Pro 5500M Compute Engine,/AMD Radeon Pro 5500M Compute Engine, /AMD Radeon Pro 5500M Compute Engine, activating OpenCL => 'multiple GPUs' did not bring any significant improvements if any at all.preview is shown instantly without any delay.during scrolling thumbnails are displayed instantly, no delay.scrolling through thumbnails is smooth and in a controlled manner (a swipe brings you to the next images you can do two swipes down and then two up again to get to the same images/row).images get imported whilst thumbnails are shown instantly as they are being added without any delay.during scrolling thumbnails are popping in, nearly one after the other as if they are being loaded from a very slow disk.scrolling is not smooth and in an uncontrolled manner (a swipe brings you somewhere much further within the collection 2-3 swipes can bring you at the end of the collection two down and two up will not bring you to the same images/row).thumbnails start popping up (being displayed one after the other) only after import has finished.images get imported without showing any thumbnails during import process.

Open a preview (selecting one image and pressing 'w').

in a 5 images per row grid (by using trackpad or mouse wheel) Note: Due to default setting, OpenCL is not activated

Do a fresh install of 3.2.1 / 3.0.2 without changing any configuration.

Clean config/cache (delete ~/.config/darktable and ~/.cache/darktable).

Remove any previous /Applications/darktable.app.

about 800 RAW images (.NEF) of a Nikon D750.

DMG from Darktable's official GitHub releases

Darktable 3.2.1 / 3.0.2 directly downloaded as.

openCL devices: 'Intel(R) UHD Graphics 630' (device 0), 'AMD Radeon Pro 5500M Compute Engine' (device 1).

From the menu bar, click Go and Go To Folder.

You may be having this problem because your Preview preferences files might become corrupt. Please note that this process may take more than one hour.ĥ. Select your disk from the left menu and then click First Aid and then click Run. You can also use Spotlight to find and launch the app. Open Disk Utility (Applications / Utilities) on your Mac.

And test again if the Preview app is working or not.Ĥ.

Either case, exit safe mode by restarting your Mac normally (do not press and hold the Shift key).

Try opening a file using Preview in safe mode, does it work? Log in (you may need to log in a few times).Keep holding the Shift key until you see the login screen, then release the key.Turn on your Mac and immediately press and hold the Shift key.You can restart your Mac by going to Apple meu and Restart.ģ. After restarting my Mac, I was able to open my files again using Preview. Click Force Quit or you may press the Option, Command, and Esc (Escape) keys togetherĢ.Note that doing so may cause you to lose unsaved changes if any. If Preview does not quit, or if you could unable to quit the app, try force quitting the app. Then now try to open a file that you could not previously open. Quit the Preview app and then re-open it. If you prefer, you can check the “Automatically keep my Mac up to date” to have your Mac update automatically.ġ. If there is an update available, click the Update Now button and the new software will be installed on your Mac. On your Mac, click Apple menu > System Preferences and then Software Update.Please try the steps below and after each step test to see if your issue is fixed:īefore doing anything, make sure that your Mac is up to date. If you’re having trouble opening some of your photos or PDF files using Preview, and this article may help you. See also: PDF Won’t Open: “Please Wait…” Message, How To Open Preview on Mac is the default image and PDF viewer app that lets you view and edit various file types including PDF, JPEG, PNG, PSD, and TIFF. When I tried to open photos or PDF files, the file did not open and I was getting the same message saying “The file “macReports” couldn’t be opened. The Preview app stopped working suddenly. Yesterday I had this problem while using my Mac.

Mac os preview always continued scroll