This conversation has been merged. Please reference the main conversation: Lightroom Classic 7.3: Crop tool showing last image (GPU on)
I just installed Lightroom 6 on my Windows 7 x64 machine.
It works just fine, however, after processing picture A (in the develop module) and switching to picture B (using the right arrow) if I click on "R" (crop) or "\" (compare to before) or zoom in, I see for a fraction of a second a flicker of the previously processed image A. (and I've already switched to image B)
FYI, I have an nVidia GTX 650 video card and process D810 raw files. Perhaps you're developing on super fast hardware and you don't notice it, but on my machine I do notice it all the time.
This doesn't occur when the graphics card acceleration is disabled, so this is clearly an acceleration bug. Also, it only happens when I have a secondary display enabled (I have a single card with dual DVI monitor support).
While it causes no harm and it happens only the first time for each new picture I process, I find it very annoying. It's clearly a bug, because this shouldn't happen.
I can probably capture and post a video of this.
on imac 27, with dual screen on display port
if i disable Gpu acceleration, no more problem
next update to correct this problem would be nice ;-)
This is on a Mac Pro (Mid-2012), Mac OS X 10.9.5, with "ATI Radeon HD 5770 OpenGL Engine" according to the performance tab of the Preferences.
I have windows 8.1 x64, gtx550 ti nvidia graphics.
Running on a 27" iMac, OS X 10.10.03, 4.0GHz CPU, 16GB Memory, AMD Radeon R9 M295X 4GB.
It occurs almost every time when the screen is refreshed (cropping using "R" or reviewing using "\", or when switching between photos using Left/Right arrows).
It may not be an issue for Adobe's developers, but for me (and apparently others) it's distracting and affects the fluency of my workflow.
I must admit that my NVidia card is reasonably powerful and can run many 3D games, however, I sense no noticeable benefit from having GPU enabled (compared to when using my i3770 CPU alone), so I have disabled it altogether with no apparent loss of functionality.
All in all, it feels like the product was rushed out without being completely polished, both in terms of bugs and set of useful features.
On another issue, some features I hoped they would add to this new release weren't added making this a rather "lukewarm" release, like having the spot removal tool support content-aware fill.
I would also allow to increase the compression range of shadow/highlight sliders. Improve the noise reduction tools, improve the "process" further (frankly, I prefer the Capture One process much better, however their interface and overall provided features are not as useful as lightroom, which is why I don't use it).
The flickering is extremely distracting and makes it hard to judge subtle changes when toggling edited/original.
Fortunately the acceleration can just be disabled for now, so...not a big deal. But this was supposed to be the big new feature of LR6.
Try turning OFF the GPU support in LR / Prefs / Performance and see if things work better.
Switching between photos in my catalog, the first time I click on "\" (compare before/after) or "r" (resize/rotate) I get a flicker showing the picture I edited previously. When disabling the video card acceleration it doesn't happen at all.
I am running Windows 7 Ultimate x64 with NVidia GT650 (using NVidias latest drivers).
Do you want me to record a video of my screen and post a link to it here?
The problem is most definitely not solved.
Maybe it's just a problem with me, but I must admit I've had too much disappointment with Lightroom lately. Buying Lightroom (rather than leasing it - aka cloud version) had placed me as a second-grade citizen, not enjoying the same improvements made to the otherwise identical cloud version, and some of the recent updates (like the new Import screen) are not to my liking. Top it with the bugs and issues with recent releases, some of which are simply not being addressed at all, and I'm left an unsatisfied customer.
I'll be honest with you, I've been experimenting recently with the Capture One 8.3's trial and I am quite impressed. I think I will wait for their next release and switch over. I just don't have the patience capacity to deal with Lightroom's issues right now. Sorry.
If you have any insights, suggestions or a timeline for a fix, I'd be glad to hear about it.
As you requested I have uploaded a video. Unfortunately I couldn't take a direct screen recording (it was too sluggish) and had to place a camera at front of the monitor, so please forgive the poor quality.
I was using Lightroom 6.2.1 on Windows 7 x64.
You can see the flickers (where you briefly see the previous image edited) while pressing the "\" (you can see the "Before" appearing just before the flicker) or when scaling using the "r". It's very predictable and completely reproducible as you can see from my repeated demonstrations.
From the list of people here, it is happening on Windows 7, 8.1, 10 and Mac OS X.
This is clearly not an isolated problem, however the reports here reflect people who:
1. Explicitly enabled the GPU acceleration.
2. Have bothered to report it.
3. Have found this specific forum/thread.
I am confident that this problem is far more widespread and may indicate some low level video buffer management issue.
Here is the link to the video: https://goo.gl/gX86up
Please keep us posted regarding this issue.
Just to confirm, you have the very latest drivers directly from the nVidia website? (Doing windows update won't give you the latest and greatest)
According to the nVidia GeForce Experience tool I have drivers version 358.50 released on 10/07/2015.
And Windows update is up to date as well. If it helps, I am running on Intel 3770K with 16GB of RAM, my video card has 2GB of RAM.
Mind you, this has been happening since the release of 6.0 months ago, so this must have been evident during development/testing, so I doubt QA has missed it due to some update they have and I (and other people on this thread) don't. Especially since it has been happening on the latest and greatest Windows 10 and also on Mac OS X. (I wonder if it had the natively provided nVidia drivers by Apple, or installed the latest nVidia drivers from nVidia website)
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