Unreal Engine Issues
Unreal Engine Issues
Alpha Textures reimported via overwriting disappear from level
UE - Graphics Features - Nov 10, 2014When you reimport a texture that has an alpha by Importing and then overwriting the previous texture, all versions of that texture in any material or in the level complete disappear until you compil ...
Unable to open UE4Editor on Linux - Bad hlslcc header found
UE - Platform - Linux - Nov 4, 2015UE4Editor does not open on Ubuntu 15.10 due to the following error: [2015.11.04-16.19.35:974][ 0]LogOpenGLShaderCompiler:Error: Bad hlslcc header found! Missing '#'!Error in `./UE4Editor': free(): ...
Code based component name differs in Blueprint Components and main Viewports Details
UE - Gameplay - Blueprint - Jun 24, 2015If the TEXT("") portion of CreateDefaultSubobject is changed then the name of the component will update in the main viewport details but will not update inside the blueprint based on the class. ...
Attaching skeletons with welding with simulation broken
UE - Simulation - Physics - Nov 4, 2016Looks like there may be a missed edge cases when welding Skeletal Meshes. If the Weld Parent has Simulate Physics enabled after welding, the parent continuously tries to depenetrate from the child ...
HLODs do not correctly work with Dynamic Material Instances
UE - World Creation - Worldbuilding Tools - HLOD - Jan 11, 2016A licensee has reported that when using Create Material Instance Dynamic and adjusting a material at run-time is not working with HLODs. It doesn't seem supported (yet) and unchecking the "merge m ...
Compile error with Local Variable of a Struct that contains a Set or Map type
UE - Gameplay - Mar 7, 2017Compile error with Local Variable of a Struct that contains a Set or Map type. Standard and array variables work without issue. Non-local variables also work without issue. ...
Compile failure packaging code project for tvOS from Mac
UE - Platform - Mobile - Apr 27, 2017Also occurs in the live 4.15.1 build. This does not occur for BP projects or when packaging for iOS. Same compile error as UE-41313UATHelper: Packaging (tvOS): UnrealBuildTool: /Users/Shared/Unrea ...
Depth reading features on devices without framebuffer fetch are relying on undefined behaviour.
UE - Platform - Mobile - Oct 26, 2016For devices without framebuffer fetch we are relying on undefined behaviour for depth reading with decals, mod shadows and depth reading materials. (ES2 spec: 3.8.6 Texture Framebuffer Attachment). ...
Attempted to use an out of date DemoNetDriver when using DemoPlay through blueprints
UE - Networking - Oct 27, 2017Users are not able to play a Demo in PIE using the Execute Console Command node to run the demoplay command. The following warning spams the output log while the demo is still trying to open:LogWor ...
EOS Voice plugin causes a crash after adding "DefaultPlatformService=EOS" to the DefaultEngine.ini then restarting the editor
UE - Online - Jan 10, 2022This is not a regression. Doesn't affect UE5. The editor crashes on start up after enabling EOS Voice Chat, and updating the .ini to include DefaultPlatformService=EOS. Removing DefaultPlatformServ ...