Printing a string or character to the device output log does not display the string/character

UE - Platform - Mobile - Aug 30, 2019

If you point to a character or text data type and log it into the Device output log, the variable will not appear in the output. However, any other data type will appear. ( float, int, etc.). Found ...

tvOS encounters failure to read save file when loading saved level

UE - Platform - Mobile - Nov 20, 2019

When load is called user encounters: [UE4] [2019.11.20-23.42.09:282][575]LogStreaming: Warning: Failed to read file '../../../QAGame/Saved/SaveGames/TestSlot.sav' error. The integer value does not ...

On PC and Mobile Preview, Volumetric Lightmap provide very different Indirect lighting direction

UE - Graphics Features - Lumen - May 18, 2020

Expectation: It's known it has different lighting interpolations method and quality for VLM on PCvsMobile; but Indirect lighting from VLM should provide similar lighting Direction on PC&Mobile. ...

Audio from iOS is muted after having responds from siri.

UE - Platform - Mobile - Sep 10, 2020

User cannot hear sound after siri's respond when playing the app. When user go home screen then back to the app, then the user can hear the sound. This is related to [Link Removed] but this tick ...

Texture Reimport can change a regular texture to a virtual texture

UE - Graphics Features - Feb 24, 2021

Reloading a regular texture will convert it to a virtual texture if the size is greater or equal to the "Auto Virtual Texturing Size" setting. This is often not the desired behavior. The status of t ...

"For Each" Node doesn't show up in UMG Graph until an Actor BP is loaded

UE - Gameplay - Blueprint Editor - Apr 18, 2022

[Link Removed] ...

The cloth wrap deformer doesn't scale the mapping influence distances when the character is scaled

UE - Simulation - Physics - Character - Jan 10, 2023

The PositionBaryCoordsAndDist, NormalBaryCoordsAndDist, and TangentBaryCoordsAndDist data that all contain the vertex distance information to the simulated triangle in the cloth shader doesn't scale ...

[CrashReporter] UnrealEditor-CoreUObject!SavePackageUtilities::WriteToFile(FString const &,unsigned char const *,__int64) [SavePackageUtilities.cpp:544]

UE - Editor - Content Pipeline - Content Browser - Nov 22, 2022

Generated from CrashReporter Fatal error: [Link Removed] [Line: 544] Could not write to One possible repro (but is possibly outdated) can be found in [Link Removed].  ...

BlackmagicMediaSource causes a memory leak if "Just-In-Time Rendering" option is ON.

UE - Virtual Production - IO - Media - Oct 31, 2023

Since 5.3, BlackmagicMediaSource causes a memory leak. This didn't happen on 5.2. You can see the leak on PIE. [Image Removed] [Image Removed] If "Just-In-Time Rendering" option in the MediaB ...

Moving an InstancedStaticMesh will not move meshes collision

UE - Simulation - Physics - Apr 10, 2015

Moving an instanced static mesh will not move the collision along with the mesh. This will leave a visible mesh that players can walk through in one area and a blank space that cannot be walked thro ...