Unreal Engine Issues

Crash when a material with a texture parameter is deleted when it has instances with static permutations

This was the simplest solid repro I could get on this bug. The callstack is similar to [Link Removed] Also came across several Shader Compiling Manager crashes while attempting to repro this crash ...

Landscape Visibility Mask Rendering with Missing Landscape Components when Deployed to Mobile Device

Landscape 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 ...

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

Black 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 ...

Mouse functionality breaks on Linux when game is full screen on multi-monitor setup

When the game window is maximized on any monitor other than the left most monitor, the mouse will not interact with the game window. ...

Niagara Mesh Particles do not work with Refractions from Ray Traced Translucency

Some post-processing passes sample outside of the viewport when using scene capture components

It looks like the SSAO shader does not clamp its sample space to the half view size for the two inputs "Ambient Occlusion" and "AmbientOcclusionSetup", leading to invalid data entering the edge of f ...

When the WidgetInteraction component hovers over the Button of the Control component, executing the Press Pointer Key causes any ongoing Input operations to force their "Completed" operation

Reproduced 3/3 times, issue does not occur in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed Regression. Other Notes:Any ongoing Input operations gets forced to their "Completed" operation I cr ...

Custom depth does not render on static meshes converted to blueprint without render custom depth option enabled

Custom depth does not render on static meshes converted to blueprint without render custom depth option enabled. This issue does not affect objects that are added as a component to a blueprint. To w ...

Override MacroUV in Required Module breaks MacroUVs based on World Position of Emitter

MacroUVs are breaking when using the Override System MacroUV option in the Required Module. Using System MacroUVs:[Image Removed] Using Override System MacroUVs:[Image Removed] Also Tested and Re ...

[CrashReport] UE4Editor_Renderer!FSceneRenderTargets::GetGBufferResourcesUniformBuffer() [scenerendertargets.h:408]

This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Descriptions from users are provided below. Error message: Assertion failed: IsValidRef(GBuff ...