Autokey does not respect min and max limits of control rig animation channel.

UE - Anim - Sequencer - Dec 16, 2024

When using min or max set values for animation channels in sequencer, the sequencer viewport will show different values than what is capable when using autokey functionality. ...

Foliage Instanced Static Meshes disappear when FISM Component BP is compiled

UE - World Creation - Worldbuilding Tools - Foliage - Nov 10, 2017

This bug removes foliage from a level when the Component Blueprint is compiled. Switching the Foliage type asset to another component will cause the issue to stop occurring. The Component Blueprint ...

Mouse Y axis not working using ArchVisCharacter.

UE - Gameplay - Input - Apr 20, 2022

The Mouse Y axis does not work when assigning LookUp key bind in the project setting. If assigned the mouse will look left/right while moving the mouse and down. ...

Wrong shadows in VirtualTextures after rotations

UE - Rendering Architecture - May 23, 2023

Visual Noise on Thin Translucent materials with a Directional Light

UE - Graphics Features - May 30, 2023

Regression in testing This occurs with hardware and software ray tracing, as well as moveable and static lights This occurs regardless of anti aliasing. This was tested with DX12 ...

Editor/Details Panel allows duplicate keys in TMap/TSet UPROPERTY()

UE - Editor - Workflow Systems - Sep 5, 2023

When edited through the Details Panel in the Editor, TMap and TSet properties should not allow duplicate keys. When those keys are USTRUCTs with the “WithIdenticalViaEquality” trait, this should be ...

Adding a widget to the designer tab will cause all animations to pop back to frame zero regardless of the position of the scrub bar

UE - Editor - UI Systems - May 7, 2015

If the user adds another widget to the designer tab any animations that are available will pop back into what ever setting they have at frame zero regardless of the position of the scrub bar. ...

Auto Convex Collision will cause crash when using significantly small meshes

UE - Gameplay - Dec 16, 2015

A hard crash can happen when applying auto convex collision to a complex mesh that is below a certain build scale or screen size. The meshes that cause this have higher poly counts and increasing th ...

A packaged game that contains a plugin with a custom struct and function using that struct will crash on launch.

UE - Foundation - Cpp Tools - Plugin System - Sep 9, 2015

If a project is packaged with a plugin that contains a custom struct and a function that takes that struct as a parameter, the game will crash when the executable is run. [Link Removed] ...

Mouse dragging cursor accelerates significantly on Mac

Tools - Jan 18, 2017

This also occurs in 4.14.3 This does not occur on Windows. Could not get this issue to reproduce while recording the screen with quicktime player, but if you experience it in person it really feel ...