UMG Designer preview: Incorrect resolution on Samsung s8 and s9

UE - Editor - UI Systems - Jul 30, 2018

"By default, the device profile for android_high (which is used by phones such as the galaxy s8 and s9) gives a scale factor of 1.0 resulting in 1280x720. When choosing a ~2:1 device such as the gal ...

Adding a code class derived from SceneCaptureComponent2D to a project will prevent that project from building successfully in Visual Studio.

UE - Graphics Features - Dec 9, 2014

Adding a code class that derives from SceneCaptureComponent2D will cause the build to fail in Visual Studio. Build Errors: 1>MySceneCaptureComponent2D.cpp.obj : error LNK2001: unresolved external ...

Crash When Opening a DataTable Based Off a Struct With a Timecode Variable

UE - Anim - Sequencer - Mar 30, 2020

When a datatable is based off a struct with a timecode variable it will crash when opening. Found in 4.24.3 CL#11590370 Reproduced in 4.23.1 CL#9631420, 4.25 Preview 4 CL#12366721, 4.26 CL#12123513 ...

SignedArchiveReader may request wrong number of chunk blocks

UE - CoreTech - Oct 25, 2022

This problem is caused by an incorrect calculation of the number of chunks in the read request. Here is the workaround applied by the licensee : int64 FSignedArchiveReader::PrecacheChunks(TArray<F ...

Match3 Crashes on IOS and Android when Packaged using Nativized Blueprint Assets

UE - Gameplay - Blueprint Runtime - Aug 19, 2016

Match3 crashes shortly after being opened on both Android and IOS devices when the experimental blueprints option "Nativized Blueprint Assets" is enabled. Verified that the issue does not occur if ...

IsOverlappingActor is always returning false

UE - Gameplay - Sep 23, 2015

When you use the IsOverlappingActor node to determine whether or not something is overlapping another actor, it returns false regardless of whether or not you're actually overlapping another actor. ...

FBX imports incorrect vertex normals in 4.7

UE - Graphics Features - Mar 2, 2015

Box reflection captures with some assets are not working correctly. The reflection capture is being tiled with version after 4.7 that were not in 4.6. Images are attached to demonstrate along with ...

Cloth Simulation Doesn't Work When Clothing Data Is Applied Before Being Painted

UE - Simulation - Physics - Character - Jan 17, 2020

When clothing data is applied before painting the influence on the section the cloth doesn't simulate. I tested this using the Paragion: Twinblast actionhero skeletal mesh asset. Found in 4.24.1 C ...

Directional light triggers 'too many overlapping lights' error in forward shading

UE - Graphics Features - Sep 24, 2019

The underlying reason seems to be that the stationary lights require SM channels for casting shadows  from movable objects and they are assigned channels 0,1,2 by lightmass (or somewhere along the w ...

Using a FormatText node with Specifier in the same graph as an empty Macro will freeze the editor

UE - Gameplay - Blueprint - Jun 17, 2016

Using a FormatText node with Specifier in the same graph as an empty Macro will freeze the editor. Not using the Specifier or deleting the unused Marco will allow the BP to compile fine. **Only rep ...