Branching Points in a Montage Affect the Rotation Outcome of Root Motion

UE - Anim - Runtime - Mar 28, 2025

When playing Montages with Root Motion, the sub stepper extracts root motion transform in small increments. If a Branching Point exists within the interval being extracted, the extraction range is s ...

Apex Cloth gets crazy after upgrade to 4.14

UE - Simulation - Physics - Dec 22, 2016

It has no this issue if only open previous cloth assets in 4.14The issue happens only if reimporting or updating the .apx or .apb and assign to the material slotReimporting both FBX skeletalmesh file ...

TMap Contains Node Returns False Incorrectly Under Specific Circumstances

Tools - Nov 20, 2019

The Contains node doesn't return an existing row from a data table under specific circumstances. This didn't occur when the struct the data table is based on was made via blueprints or there are mor ...

Garbage Collection Causes Lag in MAC Project

UE - Foundation - Core - Sep 18, 2015

User reports lag regardless of the Garbage Collection settings, EXCEPT: If the user changes settings to 3 then lag becomes more frequent (approximately every 3 seconds verses every 5 seconds.) *Wa ...

LIVE: RENDERING: Movable Mesh does not receive shadows from Static meshes in static or stationary lighting

UE - Graphics Features - Apr 30, 2014

---------------------------------------------------------------------------------------------------------------------- Build: 4.1.0-2057451 Description: Movable meshes and blueprints set to cast n ...

An InstancedStaticMesh component set to Stationary doesn't register overlaps

UE - Simulation - Physics - Dec 16, 2016

An InstancedStaticMesh component set to Stationary doesn't register overlaps. However, overlaps are registered on Static and Movable. There is also an issue where actors that start overlapped with ...

Unwanted black boundaries are displayed in a vertical split-screen with 3 players.

UE - Gameplay - Dec 2, 2019

Floating point error from UGameViewportClient::SplitscreenInfo causes this issue. FMath::TruncToInt( 3240 /*ViewportSize*/ * 0.333f/*Ratio in SplitScreenInfo*/ ) = 1079 I suggested a following t ...

Regression: Skeletalmeshreproduction node do not show mesh when the mesh is not SK_Mannequin in 4.24

UE - Niagara - Jan 16, 2020

SkeletalMeshReproduction node stopped showing meshes other than SK_Mannequin. ...

FBX: Camera imports to Matinee with skewed position and rotation

UE - Editor - Content Pipeline - Import and Export - Aug 27, 2013

Branch Build Label Changelist UE4-Main UE4_[2013-08-27_14.24] 1799942 DESCRIPTION: When importing an animated camera from Maya into Matinee, the placement of the camera is changed (shifted 90 ...

Line height for text boxes does not appear to be affected by scaling when using a scale box

UE - Editor - UI Systems - Jan 12, 2016

When scaling text with a scale box the letter will begin to overlap when scaled up or become really far apart when scaling down (this is referring to the space between the top and bottom of the lett ...