Unreal Engine Issues
Unreal Engine Issues
Attaching a removed Actor in Sequencer causes a crash
UE - Anim - Sequencer - Jan 6, 2020This is a regression from 4.23.1 (CL-9631420) where Sequencer just displayed the re-attached binding in yellow text instead of crashing. The user suggests that the deleted actor should be removed fr ...
Torque curve makes no difference on vehicle movement
UE - Gameplay - Blueprint - Sep 11, 2015When changing the Torque Curve in a Wheeled Vehicle's Vehicle Movement Component, the values set don't affect the torque of the vehicle. ...
Editor Crashes On Startup After Enabling Light Propagation Volume (LPV) With Forward Shading
UE - Graphics Features - Feb 20, 2017After enabling Forward Shading that project can no longer operate while "r.LightPropagationVolume = 1" since it will crash immediately. ...
Xcode 8 Beta Toolchain Breaks InfiltratorDemo on AMD On 10.11.6
UE - Platform - Apple - Jul 27, 2016InfiltratorDemo rendering is entirely broken on 10.11.6 using AMD GPUs when the shaders are compiled to byte code using the Xcode 8 Beta 2 toolchain. This does not appear to occur with the Xcode 7.3 ...
Level Sequence Actor- bTickWhenPaused is unsettable from the details view
UE - Anim - Sequencer - Aug 1, 2024See UDN here: https://udn.unrealengine.com/0D5QP00000TtFaV0AV?fromCase=1 The issue is that in FMovieSceneSequencePlaybackSettings, the TickInterval struct is marked with an EditCondition to only be ...
NavMesh does not build correctly to SkeletalMesh collision
UE - AI - Mar 16, 2015NevMesh cuts out holes for collision incorrectly with Skeletal Meshes. Skeletal Meshes with "Can Ever Affect Navigation" set to true and that have a Physics Asset are capable of causing this. ...
Crash upon editing a GameplayTagQuery inside of a DataAsset
UE - Gameplay - Oct 27, 2017When a GameplayTagQuery variable is edited from inside of a DataAsset, the editor crashes when the changes are saved. This could be related to a bug that was fixed previously: [Link Removed] Regres ...
[Groom] Very thin hair has incorrect raytraced shadow on edges
UE - Graphics Features - Lumen - Jun 8, 2020This only happens when 1) Hair Width is very small. e.g. 0.01 in the example 2) Light has raytraced shadow and Samples Per Pixel has a value > 1. e.g. 8 in the example The problem seems to be rel ...
Edit shared defaults for multiple blueprints leads to Engine crash.
UE - Gameplay - Blueprint - Jun 20, 2017Changing any value in Edit shared defaults window with multiple blueprint assets leads to Engine crash. This is a regression from 4.16 ...
Streaming Virtual Texture UDIN V Offsetting
UE - Editor - Content Pipeline - Import and Export - Jan 31, 2024UDIN virtual textures appear to have row 0 (U coordinate [0 - 1) swapped to the other side of the texture vertically. ...