Animating the camera and character with LiveLink makes the character tremble

UE - Virtual Production - Mar 31, 2020

GIF images are attached. The animation is smooth on the MotionBuilder side, but it is "slightly" wobbly in UE4. The licensee reports that the situation can be heavily shaken by the situation. Also, ...

AnimNotify does not register when used in code

OLD - Anim - Jun 7, 2016

NotifyQueue.AnimNotifies Does not register the notifies set in the editor. EX: NotifyQueue.AnimNotifies.Num() will always return 0 even when notifies are set ...

[CrashReport] Mac crash in FMinimalDummyForwardLightingResources

UE - Graphics Features - Jan 18, 2017

This is a frequent crash occurring in the 4.15 Preview. No other information is currently known. Regression? Yes - there is no evidence of this occurring in 4.14 ...

Editor crashes on user project when attempting to spawn an actor from a struct within user's project.

UE - Networking - Sep 23, 2015

Editor crashes when attempting to spawn an actor from a struct within user's project. Frequency: 5/5 crashreporter: [Link Removed] ...

Particle System Warmup Time causing Crash with Light Module and High Quality Lights

UE - Graphics Features - Oct 7, 2016

A crash occurs when Opening a level with a Particle System that contains a warmup time and a Light module with High Quality Lights checked. This crash seems very isolated and specific as it does no ...

Impact decal not rendering properly

UE - Graphics Features - Apr 5, 2016

When shooting a surface, the bullet decal appears as a thin line rather than the circular impact shown in the material asset. Regression: YES - in 4.10.4 the decal appears as shown in the material ...

Cannot Preview a Node in a UI Material

UE - Rendering Architecture - Materials - Mar 18, 2016

Previewing a Node in a UI Material will not show anything, or will remain showing what is placed in Final Color. This issue appears to be fixed in Dev-Main as of CL-2914624. ...

Crash when opening TM-Gameplay from -game

UE - Gameplay - Sep 1, 2017

Crash when opening TM-Gameplay when QAGame is launched with -game command TM-Gameplay does not crash when PIE Reproduced on another windows machine TM-Shadermodels and QA-Promotion were also tested ...

Reflection capture memory not released

UE - Graphics Features - Mar 16, 2020

Until 4.23.1, the value of the Texture Memory Cube is reduced to an appropriate size. It is explained in the following thread:https://udn.unrealengine.com/questions/398103/index.html ...

Importing an FBX twice will cause a crash

UE - Platform - Linux - Apr 9, 2015

When importing an FBX into a project if the "Import" option is chosen rather than "Import All" then importing the same FBX a second time will cause the editor to crash. ...