Using the end of the curve as a weighted tangent does not yield the expected value.

UE - Anim - Runtime - Oct 16, 2023

When changing the tangent value, the last value is sometimes not 1.0 [Reproduce sample project] [Link Removed] ...

Specular Displays Incorrectly In ES2

UE - Platform - Mobile - Dec 15, 2016

Specular seems to be much brighter in ES2 to the point to where a bright specular highlight will appear even with a value of 0. ...

Packed level blueprint does not behave as noted in documentation.

UE - World Creation - Worldbuilding Tools - Nov 28, 2022

In the documentation page: [Level Instancing in Unreal Engine | Unreal Engine 5.0 Documentation|https://docs.unrealengine.com/5.0/en-US/level-instancing-in-unreal-engine/] it is mentioned that: [ ...

Trace to complex collision returns incorrect PhysicalMaterial

UE - Simulation - Core - Dec 15, 2022

In ConvertQueryImpactHitImp, MaterialIndex is looked up from InternalFaceIndex, but FTriangleMeshImplicitObject:: MaterialIndices is an array by ExternalFaceIndex, so it returns incorrect material i ...

ACharacter JumpMaxHoldTime quickly prevents jumping on the server

UE - Gameplay - Blueprint - Sep 18, 2017

-Character no longer jumps to full height when on client when setting maxholdtime to anything above 0 in character blueprint ...

LeapHandGrabbing comment is different than actual used value for hand grabbing.

UE - Platform - XR - Oct 24, 2016

The comment for LeapHandGrabbing( ) states grab strength is 0.5 when HandClosed( ) only returns true when grab strength is equal to 1.f. ...

Error when attempting to generate an SSH key for remote building

Tools - Oct 7, 2016

Error is displayed when attempting to generate an SSH key.Unexpected remote arg: [email protected]:.ssh/RemoteToolChainPrivate.key rsync error: syntax or usage error (code 1) at /home/lapo/packa ...

The getter/setter function bAllowRightClickDragScrolling incorrectly refers to AlwaysShowScrollbarTrack

UE - Editor - UI Systems - UMG - Aug 28, 2023

UScrollBox::AlwaysShowScrollbarTrack has its own getter/setter function (SetAlwaysShowScrollbarTrack/IsAlwaysShowScrollbarTrack). In another property for UScrollBox::bAllowRightClickDragScrolling, ...

Reflections Not Behaving As Expected in Splitscreen

UE - Graphics Features - May 15, 2018

In splitscreen, Player 0 view influences reflections for other player views. A user submitted the included test project showing the issue, and I have reproduced on 4.18.3 as well as 4.19.2 (see Spli ...

Using the "Keep World" scale rule can result in incorrect relative location when attaching actors

UE - Framework - Components - Dec 9, 2022

This seems to happen due to a precision error when calculating the relative transform between the socket and the component being attached. Occasionally, one of the transforms will have a scale of (0 ...