Unreal Engine Issues
Unreal Engine Issues
Niagara Ribbon Facing Mode Custom Side Vector does not work correctly
UE - Niagara - Feb 28, 2020The Custom Side Vector facing mode is no different than the Custom facing mode on Niagara ribbons. The linked UDN has more information on a potential cause, as well as a proposed fix. It looks like ...
Multicast RPC from PlayerController with RepGraph results in an invalid swap message
UE - Networking - Mar 4, 2021Since a player controller only exists on the server and on the owning client, calling a multicast from one isn't really a supported operation. However, this case is still handled cleanly when RepGra ...
OCIO: orthographic viewport perspectives disable color transform
UE - Virtual Production - Rendering - Color - Apr 6, 2023Switching through a non-perspective view disables the OCIO color transformation until perspective is re-selected. (There is also a related Slate-Editor issue where the visible viewport label doesn't ...
[Attenuation][Spatialization] - If speaker output is set to stereo, the Surround 2D Non Spatialized Radius Mode doesn't generate any audio
UE - Audio - Dec 12, 2023If Surround 2D is set as the Non Spatialized Radius Mode, there is no fallback option if the user's output is not a surround format (eg stereo). There is also nothing communicated in the Tool Tip. ...
PCG Graph callback fails after compiling blueprint
UE - World Creation - Procedural Tools - Jul 9, 2024PCG graph callbacks in BP do not appear to get called correctly after the blueprint is compiled. ...
Point light leaking throught thin geometry
UE - Graphics Features - Oct 29, 2024In 4.27, ray traced point lights can leak through thin meshes. This bug does not exist in Unreal Engine 5, due to many of the potential rendering areas being fundamentally changed. ...
[Interchange][FBX] Issue with asset name clashes after auto import
UE - Editor - Content Pipeline - Import and Export - Jan 22, 2025The mesh changes and the asset name stays the same while the two FBX are completly different: different filename, different mesh names in the FBX CF video for repro steps. https://forums.unreale ...
RHIGetAvailableResolutions returns duplicate entries when bIgnoreRefreshRate is false
UE - Rendering Architecture - RHI - Sep 17, 2015When the RHIGetAvailableResolutions function fills the array that is passed in as the first argument, it will end up filling some slots with duplicate resolutions (including refresh rate) when the b ...
Assigning APX Cloth asset to material element
UE - Simulation - Physics - Character - Jun 17, 2016When assigning an imported apx file to the clothing drop down under the material element of this imported Skeletal Mesh will result in a crash. Tested in: 4.11.2 CL-2946394 4.12.3 CL-3013449 Dev ...
Enable Collision checkbox does not affect static meshes from static mesh editor when set to false
Tools - Nov 24, 2015Setting the Enable Collision checkbox to false in the static mesh editor does not alter collision on static mesh objects. ...