Unreal Engine Issues
Unreal Engine Issues
Migrating a blueprint based on a custom class breaks after migration
UE - Gameplay - Blueprint - Sep 21, 2015When a blueprint that is based on a custom class is migrated from one project to another the references to the original class are held. This means that the blueprint is unusable in the new project, ...
GPU Particle collision Ignores 2D Sprite Collision
UE - Graphics Features - Jan 19, 2016GPU Particle sprites will collide with a paper 2D assets texture but not the collision box. ...
Copying a Static Mesh actor from the level and pasting it into a Blueprint as a component does not retain any of the values of the copied actor
UE - Gameplay - Blueprint - Aug 4, 2015Copying a Static Mesh actor from the level and pasting it into a Blueprint as a component does not retain any of the values of the copied actor. Reproduced in 4.7.6 binary, 4.9 Release (//depot/UE4 ...
Changing Time Dilation at runtime causes erratic physics with Vehicles
UE - Simulation - Physics - Oct 20, 2015When changing Time Dilation settings at runtime, it can cause vehicles to be thrown into the air and exhibit other odd physics behavior. This issue occurs when the Time Dilation is being set from sl ...
Macro Libraries do not update after rename
UE - Gameplay - Blueprint - Jan 21, 2015Macro Libraries can only be called by their original name, even after being renamed to something different. ...
Updating project to 4.12 corrupts Additive AimOffset thumbnail, causing log spam
OLD - Anim - Jun 6, 2016Updating project to 4.12 corrupts Additive AimOffset thumbnail, causing log spamLogAnimation:Warning: Setting an additive animation (Owen_AimOffset) on an AnimSingleNodeInstance is not allowed. This ...
Significant Frame Rate Drop When Multiple Persona Windows Docked in the Background
OLD - Anim - Dec 5, 2014Windows: Opening a persona window causes the editor to lose approximately 10fps per window (4 persona windows open = -40fps) Even when docked and running in the background. Mac: Opening a persona w ...
Skeletal Meshes with Physics assets with less than 5 bodies will not use flag for Start Awake
UE - Simulation - Physics - Dec 8, 2015When using a Physics Asset with 4 or less physics bodies the flag for Start Awake cannot be disabled, even if unchecked, when Simulate Physics is set to true. I've attached a project with assets f ...
FBX imports incorrect vertex normals in 4.7
UE - Graphics Features - Mar 2, 2015Box reflection captures with some assets are not working correctly. The reflection capture is being tiled with version after 4.7 that were not in 4.6. Images are attached to demonstrate along with ...
Wildcard Array in Macro Causes Error Message to Appear
UE - Gameplay - Blueprint - Nov 9, 2015Creating a Macro with a Wildcard Array and then using that macro to accept an array as input and attempting to get the first element causes an error to appear in the output log. In the AnswerHub u ...