Unreal Engine Issues
Unreal Engine Issues
Android API 30 LaunchURL Not Working
UE - Platform - Mobile - Jul 22, 2021The LaunchURL blueprint node is not functioning when using non-default browsers in API level 30 on Android Devices. Another licensee reports that the default browser may not be relevant, as any brow ...
SetNiagaraStaticMeshComponent in UNiagaraFunctionLibrary does not add NiagaraVariable to InstanceParameterOverrides
UE - Niagara - Jan 13, 2023The result of the Set Niagara Static Mesh Component (OverrideSystemUserVariableStaticMeshComponent) function provided by the UNiagaraFunctionLibrary is different from the operation result on the det ...
Possible incorrect logical operator used in if statement in OnlineSessionInterfaceNull.cpp
UE - Networking - Dec 31, 2014A user pointed out a possible mistaken use of the && operator instead of the || operator in an if statement in source code. In the FOnlineSessionNull::GetResolvedConnectString() function in OnlineSe ...
LLM: Delete LLM_IF_ENABLED if it is no longer a performance benefit, or convert all allocs and frees to use it if it still is.
UE - Foundation - Data Pipeline - Cooker - Nov 13, 2023The macros LLM and LLM_IF_ENABLED behave identically but are slightly different from a performance standpoint. For consistency all allocs and frees should use the same one. Measure the cost of a co ...
Swarm: Not able to set number of processors to use for Swarm from the UI
UE - Graphics Features - Aug 25, 2015There is a setting called "LocalJobsDefaultProcessorCount" in the Developer Settings tab in Swarm. After the change to make Lightmass build asynchronously while the user keeps working, this set ...
Color space transform in the UI composition is incorrect on DX12 HDR (r.HDR.UI.CompositeMode=1)
UE - Graphics Features - Jun 11, 2021Color space conversion in the UI composition is incorrect on DX12 HDR. In the main() function In CompositeUIPixelShader.usf, you can see the following color space transform.// sRGB -> RRT -> ODT ...
Crash Occurs When Attempting to Use Validated Get on a Local Variable
UE - Gameplay - Blueprint - Jan 13, 2016In a function, creating a local Pawn or Actor variable, getting it, and then converting the Get to a Validated Get will cause the editor to crash upon compiling the blueprint. Found in 4.10.2 binar ...
Skylight Intensity causes brightness discrepancy between the pathtracer and realtime renderers
UE - Graphics Features - Aug 26, 2024In a scene without a sky sphere, increasing the skylight intensity will cause the sky to brighten in the pathtracer. Other renderers do not brighten the sky, and the intensity increase is applied on ...
GAS: OnTagUpdated() not called when calling SetLooseGameplayTagCount()
UE - Gameplay - Gameplay Ability System - Dec 10, 2024Context AbilitySystemComponent has a virtual function virtual void OnTagUpdated(const FGameplayTag& Tag, bool TagExists); that gets called when a gameplay tag gets added or removed, so whenever ...
Unable to affect setting cubemap blend in skyLight and reflections on transluscent materials
UE - Rendering Architecture - Oct 17, 2023Attempting to blend SkyLight Cubemaps via the SetCubemapBlend function to blend between different Cubemaps to make the changes seamless is not reflected. As a workaround, in LumenTracingCommon.ush, ...