Unreal Engine Issues
Unreal Engine Issues
Crash on map change with non-null values for GPropertyColorationClass and request customizable property coloration color
UE - Editor - Workflow Systems - Aug 7, 2023This was found by a customer through a UDN, and they offered the fix for it, as well. The basic steps to reproduce the crash are as follows:call GEditor->SetPropertyColorationTarget(...) somewhere i ...
Volumetric Cloud + Sun ghosting artefacts around a static cube
UE - Graphics Features - Feb 3, 2022Video of the issue here - [Link Removed] 4.27 and 5.0 seem to display slightly different outcomes. In 5.0 the sun only appears very close to the cube, whereas in 4.27 is can appear a bit further ou ...
Key input by Sequencer is missing in FBX output of parent-child actors
UE - Anim - Sequencer - Nov 15, 2021This problem did not occur in 4.27.0. Animation is not output when outputting a hierarchical structure. Actor(A) ┗Actor(B) ┗Actor(C) This is how the attachments are registered, and the ke ...
[CrashReport] UE4Editor-Renderer.dylib!void FForwardLightingParameters::Set<FRHICommandList, FRHIPixelShader*>()
UE - Graphics Features - Oct 27, 2017This is a 4.18 Mac/Metal crash that has occurred for a few users. It appears related to the Forward Renderer. Callstack from Log[2017.10.27-06.10.08:809][261]LogMaterial: Missing cached shader map ...
Force front x imported asset incorrectly display axis for thumbnail and default editor camera
UE - Editor - Content Pipeline - Import and Export - Apr 12, 2021Thumbnail can be fix by (Quote from UDN) "adjusting OrbitYaw of the ThumbnailInfo for the +X-facing skeletal mesh" Persona Editors can be fix by (Quote from UDN) "setting SkeletalMesh->SetHasCustom ...
Modulate Blend Mode on Deferred Decals does not seem to multiply with background pixels
UE - Rendering Architecture - Materials - May 10, 2022Modulate Blend Mode on Deferred Decals does not blend multiply with background pixels. Transparency for Deferred Decals also does not seem to match with what occurs in 4.27; Repro Rate: 4/4 Tested ...
Changing the case of any node with a String input will not be saved
UE - Gameplay - Blueprint - Apr 20, 2016Changing the case of any node with a String input will not be saved User Description: Changing case of any string input in BP not accepted But the problem is still happened on any string input of ...
Editor will crash on attempt to load a previously-saved Blueprint asset with a serialized default subobject containing a serialized static array of two or more nested subobject instances.
A crash will result if a Blueprint class that's based on a native C++ class containing two or more nested, explicitly-instanced subobjects referenced by a fixed-size object array property are serial ...
Steam Sessions fails to create when using the Create Session node
Docs - Nov 30, 2021This is a Regression. 4.26.2 - Binary - no issue creating a session. 4.27.1 - Binary - no issue creating a session if you convert a previously working 4.26.2 project. 4.27.1 - Binary - Fails to c ...
Crash when ribbons use delayed spawn particle as source.
UE - Graphics Features - Dec 3, 2015User has found bug but has a working fix. Verify fix and implement in engine. ...