Unreal Engine Issues
Unreal Engine Issues
Missing scale for tangent with morph target
UE - Editor - Content Pipeline - Import and Export - Nov 4, 2020There is a bug in the fbx curve import code where we do not multiply the tangent by the scale parameter. Only the key value is currently scale. In 4.25 there was a hardcoded 0.01 scale but it was w ...
FConsoleVariableBase::SetOnChangedCallback behaves incompatibly with previous versions
UE - Niagara - Jun 17, 2021FConsoleVariable::OnChangedCallback was changed to a multicast delegate in 4.26. Along with this, FConsoleVariableBase::SetOnChangedCallback was implemented to emulate a single delegate for compatib ...
GPU Timeout when using a large scale Landscape and Water Body Ocean
UE - Graphics Tools - Terrain - Landscape - Dec 1, 2022Regression: Tested in //UE5/Release-5.0, this issue does not occur so regression is yes. The GPU Timeout only occurs in UE5/Release-5.1, as recreating this issue in previous versions of the editor ...
Cable Actor becoming stiff when bound to two dynamic objects
UE - Simulation - Physics - Jun 1, 2023the cable actor does not dynamically deform when the cable actor's parent mesh moves. Instead, the cable actor becomes rigid between the meshes it's bound between. This bug does not occur in the fo ...
Anim Graph will hang if the Draw Debug Sphere and Set node are connected and compiled
UE - Anim - Runtime - Anim Blueprints - Jun 8, 2023anim blueprint hangs when compiled. Probably a cyclic issue when compiling. A workaround is to add a delay of any time between the set node and the Draw Debug Sphere node. Repros in the following v ...
Physics Asset ignoring Root Bone Rotation collision in Skeletal Mesh.
UE - Simulation - Physics - Dec 20, 2018**Physics collision ignores Capsule Collision, When Skeletal mesh root bone orientation is rotated in the Z-Axis, resulting in unexpected collision behavior. Screen shot has been attached to de ...
Crash occurs from change of inner struct value with TMap variable of outer struct
UE - Gameplay - Blueprint - May 22, 2017A crash occurs from the change of inner struct value with TMap variable of an outer struct. This crash does not occur if you change the variable type as a substitution for the last step. Regression ...
Crash on setting Max. Texture Size with Non Power of 2 Texture
Tools - Mar 16, 2015Also Reproduced in Main Promotable-CL-2479729 After importing and saving a texture which is non power of 2 and not an hdr texture, when you set the Maximum Texture Size in the Texture Editor's Comp ...
SunTemple crash on load on some iOS devices
UE - Platform - Mobile - Jun 8, 2018This does not occur when attempting to repro using a template code project; testing on the same device. This crash occurred on an iPhone 6, v11.4 (A8) It did not occur on an iPhone X, v11.4 (A11 B ...
Editor crashes while switching to paint mode if material has a grass output and landscape visibility mask
UE - LD & Modeling - Terrain - Landscape - Aug 10, 2016Editor crashes while switching to paint mode if material has a grass output and landscape visibility mask. Frequency: 3/3 ...