Unreal Engine Issues
Unreal Engine Issues
Pausing PIE does not stop timelines from running if players is set to more than 1
UE - Networking - Nov 23, 2015Pausing PIE does not stop timelines from running if players is set to more than 1. Test project attached. Reproduced in 4.9.2 binary, 4.10.0 binary, and Main (CL# 2776829) ...
ContentExamples: PhysicalAnimation Example 1.2 the P in "BluePrint" is capitalized
Docs - Samples - Jan 19, 2017The P in "BluePrint" is capitalized in Example 1.2 of PhysicsAnimation level. The word Blueprint should match the documentation https://docs.unrealengine.com/latest/INT/Engine/Blueprints/index.htm ...
MRQ - No Rayrtaced Shadows casted from Groom Caches with only 1 Spatial Sample
UE - Anim - Sequencer - MRQ - May 28, 2025A groom cache will not cast a raytraced shadow with only 1 spatial sample. It does not matter how many temporal samples you have. ...
ContentExamples: StaticMeshes Example 1.7 "StaticMeshEditor" is all one word
Docs - Samples - Jan 19, 2017StaticMeshes Example 1.7 "StaticMeshEditor" is all one word The word Static Mesh Editor is 3 separate words in unreal documentation https://docs.unrealengine.com/latest/INT/Engine/Content/Types/Sta ...
Changes to AActor::SetReplicates caused Role/RemoteRole replication fix to regress
UE - Networking - Jul 14, 2022There was a recent bug report that matched the description of some older cases (see linked UDN). The issue raised in those cases, [Link Removed], had been fixed, but the recent question seemed to in ...
ARKit: Metal Desktop Renderer + Metal v2.1 = Black View
UE - Platform - XR - Jan 26, 2020If Metal Desktop Renderer and Metal v2.1 are both active, the AR passthrough camera renders as black. Issue not observed if only 'Metal Desktop Renderer' or 'Metal 2.1' is selected Issue not obs ...
Editor Crashes on Startup After Enabling Forward Shading When r.LightPropagationVolume=1
UE - Graphics Features - May 4, 2018If r.LightPropagationVolume=1 in ConsoleVariables.ini, enabling forward rendering and then restarting the editor results in a crash. This occurs in 4.18.3 and 4.19.2. ...
MaterialCurve of AnimSequence is not working with LOD 1~ if assigned Material manually
OLD - Anim - Apr 3, 2015MaterialCurve of AnimSequence is not working with LOD 1~ if assigned Material manually. Assigning material to LOD0 seems sharing material info with other LODs but material info is never shared if as ...
Static mesh LODs other than LOD0 cannot be set to screen sizes greater than 1
Tools - Jan 26, 2017Static mesh LODs other than LOD0 cannot be set to screen sizes greater than 1 From this AnswerHub thread: https://answers.unrealengine.com/questions/525398/hismc-bug-always-show-lowest-lod.html ...
Float Curve evaluation may yield completely wrong results due to floating-point precision issue
UE - Anim - Runtime - Oct 31, 2024Note: This is possibly related to [Link Removed]. For some inputs, function UE::Curves::WeightedEvalForTwoKeys() inside file "CurveEvaluation.cpp" can incorrectly return the value of the first key, ...