gtaranti Posted July 23, 2019 Share Posted July 23, 2019 (edited) After the latest macOS Mojave update yesterday (10.14.6) when I activate Alfred bar through the cmd-Space shortcut and I have a VLC player window open, the bar itself is not clearly visible (but is functional) and visual artefacts (in purple colour) litter the screen. Please see https://imgur.com/qbpHd2g I don't know if it's the update, VLC or Alfred fault. But before the update, VLC and Alfred was working together without problems. Edited July 23, 2019 by gtaranti Link to comment Share on other sites More sharing options...
Andrew Posted July 23, 2019 Share Posted July 23, 2019 @gtaranti Alfred is just creating a standard macOS floating panel, so isn't really able to fettle this behaviour. If you quit VLC, does Alfred work as expected? Have you tried a different Alfred theme, perhaps a custom one with no blur set? As a workaround, perhaps try "Compatibility Mode" in Alfred's Appearance > Options > Focusing Also try temporarily creating a new user account and running Alfred / VLC there Cheers, Andrew Link to comment Share on other sites More sharing options...
gtaranti Posted July 23, 2019 Author Share Posted July 23, 2019 (edited) If I minimise VLC window, the problem disappears. The problem is there with any theme selection "Compatibility Mode" set. Makes no difference Created new Test user. Same behaviour. Thanks, Edited July 23, 2019 by gtaranti Link to comment Share on other sites More sharing options...
waitingforgo Posted July 23, 2019 Share Posted July 23, 2019 I can confirm very similar problems. Thanks to gtaranti for tracking this down! My info: • I keep VLC on a separate screen. The problem only occurs if there's a video playing in VLC. • The problem goes away for me if I switch from "Alfred" (Alfred Default Theme) to "Alfred Classic". • I'm on a Mac Pro 5,1 with a NVIDIA GeForce GTX 760 graphics card. Link to comment Share on other sites More sharing options...
gtaranti Posted July 23, 2019 Author Share Posted July 23, 2019 Right @waitingforgo ! The problem is solved when I choose the theme "Alfred Classic" . Good catch! Still, I like the dark theme better though! Link to comment Share on other sites More sharing options...
Andrew Posted July 23, 2019 Share Posted July 23, 2019 Try installing this theme which is a copy of the Alfred Dark theme, but with no transparency and blur disabled: https://www.alfredapp.com/extras/theme/I8nmpqQCWx/ Cheers, Andrew 2b3 1 Link to comment Share on other sites More sharing options...
waitingforgo Posted July 23, 2019 Share Posted July 23, 2019 (edited) I can confirm there are no graphic glitches with that theme on my system, and it works as expected. (And — since I don't normally use Alfred Dark — I can confirm that the graphic glitches are there for the original theme.) Edited July 23, 2019 by waitingforgo Link to comment Share on other sites More sharing options...
Andrew Posted July 23, 2019 Share Posted July 23, 2019 @waitingforgo thanks for the response - Would you mind duplicating the built in Alfred Dark theme, and just setting blur to 0 for the new theme (from the little blur icon in the top left of the theme editor). This will narrow it down to blur vs transparency. Cheers, Andrew Link to comment Share on other sites More sharing options...
waitingforgo Posted July 23, 2019 Share Posted July 23, 2019 I'm presuming by "setting blur to 0" you mean set the Window Blur slider to "None". I have done so. I have created the duplicate, and can confirm that the graphic glitches go away on my system when I set Blur to "None." They return when I nudge the duplicate theme's Blur slider even the slightest bit to the right. Link to comment Share on other sites More sharing options...
Andrew Posted July 23, 2019 Share Posted July 23, 2019 Thanks for that! For now, at least we know a workaround. Looking at the 10.14.6 changes on this page: https://support.apple.com/en-gb/HT209149 I suspect that Apple broke something with one of the following "fixes": Resolves a graphics issue that may occur when waking from sleep. Fixes an issue that may cause fullscreen video to appear black on Mac mini. It might be worth reporting this to VLC to see if there is anything they can do to sidestep this issue, as they are doing much lower level graphics interactions than Alfred. Cheers, Andrew Link to comment Share on other sites More sharing options...
waitingforgo Posted July 23, 2019 Share Posted July 23, 2019 Honestly, I'm thrilled that this was "resolved" so quickly. Thanks for your help; Alfred remains in my Top 5 most-used apps (and I'm a proud Legendary Supporter). I use it so much so that when the graphics glitches appeared, I feared it was a universal issue with the operating system, or a problem with my actual graphics card. Anyway, I'll report it to VLC. Andrew 1 Link to comment Share on other sites More sharing options...
gtaranti Posted July 23, 2019 Author Share Posted July 23, 2019 Thanks @Andrew for your excellent support, and @waitingforgo for your tests! 2b3 and Andrew 2 Link to comment Share on other sites More sharing options...
Andrei Z Posted August 11, 2019 Share Posted August 11, 2019 (edited) I have a MacBook Pro Retina late-2013 and I want to report: - i don't need to open Alfred, a right click anywhere should trigger the issue - minimizing or quitting VLC fixes the issue - with VLC running, even after quitting Alfred, the issue persists, so I assume Alfred has nothing to do with the issue, it's just another trigger. Triggers for me are: - right clicking any window to show a menu - clicking a menu option from the menu bar - opening Alfred - moving a window around As far as I can tell this is an issue with VLC and MacOS, not with Alfred Edited August 11, 2019 by Andrei Z Terminal 1 Link to comment Share on other sites More sharing options...
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