Unreal Engine Issues
Unreal Engine Issues
New VR-Basic level triggers Metal validation layer assertion
UE - Platform - Apple - Mar 16, 2020This was discovered externally and reported on UDN here: https://udn.unrealengine.com/questions/563268/mac-editor-crash-when-disable-ambient-occlusion.html ...
Ensure/Crash upon opening TM-Hair with Vulkan RHI | Ensure condition failed: DepthStencilLayout == VK_IMAGE_LAYOUT_DEPTH_STENCIL_READ_ONLY_OPTIMAL
UE - Rendering Architecture - RHI - Oct 7, 2020Ensure happening on both Linux and Windows when using Vulkan RHI. Editor will Crash on Linux however when map TM-Hair is opened. Not a Regression, TM-Hair and Grooming feature is new to 4.26 and do ...
Multiplayer Shootout project sample is crashing on start
Docs - Samples - Apr 3, 2015The project sample Multiplayer Shootout in the Learn tab is crashing on start up with 4.7.4 Crash does not occur on 4.8. Tested by Patrick.D on Main CL-2498147 Pass in 4.7.5 dev. - CKC 2503383 ...
Crashes upon project start up
Tools - Feb 10, 2015Crash Report: [Link Removed] After downloading latest revision, user is no longer able to open project due to constant crash. ...
SIGSEGV: invalid attempt to access memory at address 0x3
UE - Platform - Apple - Jan 30, 2015Crash Report: [Link Removed] ...
[CrashReport] UE4Editor-D3D12RHI!FD3D12Viewport::PresentChecked(int) [D3D12Viewport.cpp:492]
UE - Rendering Architecture - RHI - Mar 29, 2019Callstack is garbage past D3D12 calls but logging for visibility. Generated from CrashReporter ...
AI in sublevel calling actors in persistent level crash editor when sublevel is not visible
UE - AI - Aug 11, 2016If an AI is moving between points in the persistent level but is located within a sublevel and the sublevel is set to not visible, there is a chance that the editor will eventually crash. Setting Is ...
Point Light Stationary Causes Shadow Jitter at a Distance
UE - Graphics Features - Sep 27, 2016The Point Light Stationary displays reveal a shadow jitter when viewed at a distance. Comparatively the other lighting displays do not have the same result when viewed from a distance. This appears ...
Bug in CurveLinearColor makes colors of Diffraction material white outside curve range, causing rendering artifacts
UE - Texture - May 14, 2025There seems to be a regression with linear textures (commonly for multi-channel masked textures) in UE5.4. Setting the "Encoding Override" (under Texture > Advanced > Source Color Settings) to "Line ...
Transform gizmo is not working when nearclipplane in project settings > Engine > General settings is 0.00001
UE - Graphics Features - Mar 23, 2020Setting near clip plane like 0.00001 makes unable to move with transform gizmo. if user set value to 0.0001, it is no longer reproduced. it should clip value like 0.00001 ...