Crash when setting Texture Target for Render Target 2D created at Runtime

UE - Graphics Features - Feb 2, 2017

A crash occurs when creating a Render Target 2d and setting the texture target at runtime. After running some more tests, the crash seems to occur when setting the texture target, as the creation o ...

Hot reloading changes to a struct causes data table assets to break

UE - Gameplay - Mar 28, 2017

If a data table asset is based on a custom struct, making changes to and hot reloading the struct will not update the data table in the editor. Restarting the editor will prevent the data table fro ...

SunTemple scene does not update properly on iPhone 6S

UE - Platform - Mobile - Jul 18, 2017

On the 6S, the SunTemple scene is almost unresponsive. As the player uses the thumbsticks, the lightmaps from the windows rotate to mach the player's movement; but they are the only thing. This doe ...

FObjectReplicator::ValidateAgainstState may validate against the wrong buffers

UE - Networking - Oct 22, 2018

In 4.14, changes were introduced to share replicated state between objects on the server (Shadow State) this was done to allow sharing property comparisons to determine when objects needed to replic ...

Imported Texture shows up black in Content Browser

UE - Texture - May 13, 2022

I'm trying to import a .exr texture created in Substance Painter and exported as a 32 bit linear exr file. The texture is to be used for roughness. However, I've stumbled upon the problem that users ...

[UELOC] UE Editor 5.3 Testing - TSR - Not Set for Localization

UE - Graphics Features - Aug 29, 2023

How to Reproduce:Launch UE 5.3 RelTest BSet language in zhCN (or other languages)input 'stat tsr' in command line4.Observe the stat in Viewport Issues: Unloc'd strings Link to the affected string ...

FindCollisionUV always returns False on Skeletal Meshes

UE - Gameplay - Dec 14, 2016

FindCollisionUV always returns False on Skeletal Meshes User Description: In UE 4.14.0, the blueprint "Find Collision UV" functions doesn't work properly with Skeletal Meshes. While it works fine ...

Editor crashes on Mac when launching with the command -MacExplicitRenderer=0

UE - Graphics Features - Jan 19, 2017

Trying to launch the editor with the command -MacExplicitRenderer=0 causes a crash. At the time of the crash, the following line appears in the log:LogMac:Error: appError called: Assertion failed: A ...

Masked Materials using the Forward Renderer and MSAA results in banded Gradient

UE - Graphics Features - Feb 23, 2017

Masked materials used in conjunction with MSAA and Forward Rendering results in a banded gradient which seem to correlate directly with the MSAA count variable. This is connected to the Forward Ren ...

[CrashReport] Ran out of memory - FFixedUObjectArray::PreAllocate()

UE - Foundation - Core - UObject - Sep 7, 2017

This is a somewhat common crash affecting users in 4.17. Users have not provided any descriptions of their actions when the crash occurred. Source Context 165 if (GWarn) 166 { ...