Viewport Flickers when opening a Blueprint and Setting it as a Docked Tab on El Capitan

UE - Platform - Apple - Apr 4, 2016

When docking a blueprint as a tab in the main viewport the sprites and other actors placed in the default scene (including player start) begin to flicker. This flicker persists until you close and ...

LIVE: Character is jittering with Blend-Weights enabled

OLD - Anim - Oct 31, 2014

When changing the value of the blendweights of a character in a level, it is breaking the animation that the character has and causign the animation to show as jittery. ...

3D widgets not clickable by Client 2 in multiplayer

UE - Editor - UI Systems - Dec 8, 2014

When using a 3D widget the user cannot click on buttons when on the client 2 of a multiplayer game. ...

A Mesh that is attached to a skeletal mesh by a Socket will not accurately follow when transitioning from animation to ragdoll

UE - Gameplay - Apr 29, 2015

A Mesh that is attached to a skeletal mesh by a Socket will not accurately follow when transitioning from animation to ragdoll. This is potentially due to the Frame Delay that the engine uses. ...

Failed Skeletal Mesh "reimport" can cause asset to be deleted entirely

Tools - Dec 8, 2015

When you attempt to import an FBX with the same name as another asset in the same folder, it asks to overwrite it. Many users and licensees use this method over our "Reimport" options because there ...

ClientRPC function can be called prior to BeginPlay being called.

UE - Networking - Feb 11, 2016

When creating a new actor at run-time through code, it's possible for RPC function to be called before the new actor's BeginPlay is called. ...

Duplicated Blueprint Causes Incorrect Target for Events

UE - Gameplay - Blueprint - Oct 15, 2015

Duplicating a blueprint that has a node hooked up to BeginPlay causes the BeginPlay in the duplicate blueprint to target the original blueprint. This does not appear to affect functionality. Occur ...

Cast Translucent as Masked in the Material Editor is no longer working

UE - Graphics Features - Apr 7, 2016

When enabling the option for Cast Shadow as Masked in the Material for a translucent object the shadow is no longer baked when building lighting. Using Stationary or Static Lighting will give the sa ...

Volumetric Translucent Shadow does not work

UE - World Creation - Worldbuilding Tools - Merge Actor - Feb 19, 2021

Static mesh created from bsp will not properly duplicate if original copy of mesh in viewport is used

UE - LD & Modeling - Modeling Tools - BSP - Jun 1, 2015

If a bsp is turned into a static mesh and then the original mesh in the level is duplicated, it will register as duplicated in the world outliner but the mesh will not appear until re-assigned in th ...