I am having a really weird issue that keeps on persisting. This is a second project it is affecting and it just seemed to start happening all of a sudden since maybe 2 months ago. I have never seen this before and I changed nothing except updating UE. This is happening on UE5.3 and 5.4.
Basically, I am seeing double vision in my viewport and camera preview. This happens when I open the project and using a simple studio lighting set up. I can make it disappear if I disable ray traced shadows on my lights. I can also force it to disappear in my viewport ONLY if I override screen percentage and set it to 100, but it still stays in my camera preview. This also disappears if I reduce the light attenuation radius to something really low like 100. If 6 attenuation radiuses are overlapping it causes this double vision issue, but it also happens with less lights.
In some rare occasions if I open the project this does not occur, but mostly it occurs. If I adjust or wiggle my sidebars (for example where the details panel and outliner are) the problem pops up in my viewport.
Thankfully, this does not show up on renders, but it makes it almost impossible to work in the project. Since this is a product rendering studio, I need to be able to see the products properly in correct lighting, but I cant with this bug.
I have not found anything else online the resembles this at all. I am using a GeForce RTX2080 Ti card.
YES - OVER HERE! Same issue. it started with the last version of 5.3. Its not consistent and pretty glitchy. My workaround is to turn off and on the lights in my scene and at some point it suddendly works and keeps working.
I’m glad you posted it, I also was about to.
I have this issue on multiple systems and various GPUs. issues on 3090 and 4090. I switched GPU drivers around but there was no noticeble change. Keep running on the latest studio driver now.
Btw, it does not appear on MRQ renderings, its just in the editor.
When I have time I can exercise my newly learned skills in GPU debugging, but that could take some days as my schedule is absolutely full.
Thank you for the reply. It does seem to be a GPU bug for now. In multiple UE discord servers I had a few people respond that after updating their GPU drivers this issue started happening. Rolling back to a previous version like 552.22 Studio or v537.58 seemed to fix this issue for them. I will try to see if I can roll back my driver and test this.
A collegue now also has this issue while rendering a sequence. Never seen that till now. I have noticed that leaving the light sample at 1 gets rid of it, however all kinds if things happen doing anything with a light so this might have been accidental
I don’t know if it is acceptable or gonna work for you, but turning off “Ray traced shadows” in project setting solved this issue for me (Project settings → Rendering → Harware Ray Tracing → Ray Traced Shadows).
hi. i got this issue as well with 5.3, and 5.4. ray tracing shadows off, fixes the problem, but i work in light industry and i want to use ray tracing shadows. It is just so random… sometimes when i start the project, everything is ok… and sometimes it just isn’t. i have tried to roll back the nvidia drivers, but it wont help. seems that in the 5.5 beta version this wont happend? and i am not using the megalights. i made a little video about it in Youtube. tried identical simple scene with different versions of Unreal Engine. sorry about the poor language. https://youtu.be/-YOJ0ksE6Eo
Hi all, this is a well-known driver issue. I don’t know exactly what driver it starts to break at, but we have stuck with 552.22 at our R&D stage, and everything is rendering fine. nVidia is aware of the issue. If you roll back please make sure you do a clean install.
It is just so random… sometimes when i start the project, everything is ok… and sometimes it just isn’t. i have tried to roll back the nvidia drivers, but it wont help. seems that in the 5.5 beta version this wont happend? and i am not using the megalights. i made a little video about it in Youtube. tried identical simple scene with different versions of Unreal Engine. sorry about the poor language.