Unreal Engine Issues
Unreal Engine Issues
[CrashReport] Access violation - code c0000005 in FD3D11DynamicRHI::RHISetShaderTexture
UE - Rendering Architecture - RHI - Apr 17, 2017This crash occurs frequently for our users. It appears to be the same issue that was logged in [Link Removed]. For that Jira, the CrashGroup stopped getting updates after 4.13.2 - [Link Removed] ...
Cascade pooled emitters are not reclaimed on disabled LODs
UE - Niagara - Aug 30, 2019Pooled memory will not be reclaimed from emitters with disabled LODs if Disabled LODs Keep Emitter Alive is checked. ...
TArrayView64 RangeCheck prints the incorrect error messages for values over 32-bit length
UE - CoreTech - Apr 29, 2022TArrayView64 RangeCheck prints the incorrect error messages for values over 32 bit. Repro Rate: 4/4 Tested this in //UE4/Release-4.27 @ CL#18319896 and the issue did occur there, it is not a regre ...
ISM + WPO = broken motion vectors?
UE - Graphics Features - Nov 5, 2024Instanced Static Meshes will have incorrect velocity if a Material uses World Position Offset. Fixed WPO in a material causes significant velocity on the ISM. This was also replicated in //UE5/Rele ...
Landscape Visibility Mask Rendering with Missing Landscape Components when Deployed to Mobile Device
UE - Graphics Features - Apr 8, 2015Landscape Material renders with missing components when using a 'Landscape Visibility Mask' and deploying to a mobile device. I have found this issue now with an Android and iOS device. I was able ...
Camera jitter when using Crane Rig with Look At
UE - Anim - Sequencer - Jul 21, 2016Camera jitter when using Crane Rig with a Cine Camera that is using the Look At Functionality ...
Black flickering on Mesh particles when the Renderer is set to a non-default Facing Mode or using Orient Mesh to Vector and when using Particle Position in the Material's WPO
UE - Niagara - Jul 23, 2020Black flickering on Mesh particles when set to a non-default Facing Mode or using Orient Mesh to Vector and when using Particle Position in the Material's World Position Offset ...
Default values specified for local BP variables of type DateTime and Timespan don't actually work
UE - Gameplay - Blueprint Runtime - Nov 6, 2020Have attached examples of this in action, including breakpoints showing the FDateTime::Ticks count as zero. Also showed that this is an issue for the existing GetYear/GetMonth/GetDay methods (and an ...
Images Rendered out by Movie Render Queue has much more visible Banding issue in gradient
UE - Virtual Production - Rendering - Color - Aug 21, 2021I did some experiment locally. At very first I thought it's the image compression issue, since the issue is also obvious while rendered out images as JPG and PNG, there's no image compression qualit ...
Collision outcome is different between PIE and Mobile Preview/Packaged Project.
UE - Simulation - Physics - Mar 25, 2015When playing the user's project in editor vs Packaged, there has been different results for the enemies collision. When playing in PIE, you are able to fly through the enemies with no issues. When p ...