Smoothing landscape removes landscape collision in smoothed areas

UE - LD & Modeling - Terrain - Landscape - Apr 27, 2016

Smoothing user's landscape breaks collision, causing player to fall through the ground at points that have been smoothed. Resampling landscape fixes the error until smooth tool is used again. Regr ...

r.ScreenPercentage.Editor does not function

UE - Graphics Features - Jun 2, 2016

Setting r.ScreenPercentage.Editor does not affect the upsampling/downsampling of the viewport in the editor. Regression: YES - the console command correctly adjusted the screen precentage in 4.11.2 ...

Nativized Packaging Fails When Delegates Have Same Output Parameters

UE - Gameplay - Blueprint Runtime - Dec 12, 2016

Attempting to package a project using Nativize Blueprint Assets that contains delegates that have the same output parameters (such as binding an event to the OnCanvasRenderTargetUpdate event as show ...

Animations that overlap and blend together break when undoing

UE - Anim - Sequencer - Jan 16, 2017

The animations will blend together forming one animation and works fine until you undo and separate the animations that were put together. Causing animations to break. p.s. Sorry for long video, 0: ...

Package fails to load due to EditorOnly data when launched onto Mac or Windows

UE - Foundation - Core - Jun 28, 2017

LogPlayLevel: QAGame: [2017.06.28-14.09.14:706][ 0]LogLinker:Warning: Unable to load package (../../../QAGame/Content/UMG/UMG_Sprite.uasset). Package contains EditorOnly data which is not supported b ...

[Input] Switching levels destroys auto-created Input Component which breaks emitUIInteraction

PixelStreaming - Feb 12, 2019

We auto-create a PixelStreamingInputComponent which handles the input coming from JavaScript's emitUIInteraction. This works in a UE4 app with a single level, but it seems that if you change levels ...

Blueprint nativization fails using a map type argument as Expose on Spawn

UE - Gameplay - Blueprint - Oct 2, 2020

Here's a sample blueprint [Image Removed] The lack of implementation FCustomThunkTemplates::SetMapPropertyByName causes this error.#include "Kismet/BlueprintMapLibrary.h"// The fix needs this head ...

Private functions can be overriden in the "My Blueprint" tab

UE - Framework - Blueprint Editor - Apr 29, 2022

Discovered during investigation of [Link Removed]. This is happening because we are not filtering out private parent functions in SMyBlueprint::BuildOverridableFunctionsMenu. With any fix that is ...

Lyra animation stutter when character moves from side to side

UE - Content - Sample - Nov 21, 2022

When moving in Lyra side to side using the B_Hero_ShooterMannequin as the player character, the animation will noticeably stutter whenever you change the direction of the movement. I repro'd this 3/ ...

Transform variable values in a Control Rig cannot be copied or pasted onto

UE - Anim - Rigging - Control Rig - Nov 29, 2022

When trying to copy/paste values from anything to a Transform variable's values, it will not happen. Additionally, you cannot copy/paste anything from a Transform variable. I repro'd this 3/3 times. ...