Input pins are displayed when "StaticSwitch" is used in "Dynamic Input Script" of Niagara

UE - Niagara - Jan 24, 2020

The pin is missing the checkbox or dropdown to set the switch value on the function call node. It should only look like the screenshot if the switch value is propagated to the next higher caller. ...

There is a moment of T pause when Post Roll Frames is enabled and snapping is enabled

UE - Anim - Sequencer - Apr 19, 2021

When I turn off snap, the problem does not occur The problem does not occur in 4.24.3 and 4.25.4 Occurs in 4.26.2 and UE4main ...

Crash at UAnimInstance::DisplayDebug() when a montage ends

UE - Anim - Runtime - Nov 8, 2022

UDN case : [Link Removed] We are seeing a crash in UAnimInstance::DisplayDebug() at the following line: FString MontageEntry = FString::Printf(TEXT("%i) %s CurrSec: %s NextSec: %s W:%.2f DW:%.2f ...

Investigate render flush at SkeletalMeshComponent InitLODInfos

UE - Anim - Rigging - Apr 19, 2023

From UDN : we are spawning a number of characters at the same time during the game, and seeing a major framerate hitch when we do so. After the characters have been spawned, we use SetSkinnedAssetA ...

Cannot package project on Linux

UE - Platform - Linux - Mar 18, 2015

Trying to package a blank project on Linux fails. ...

MAC: Crash on startup

UE - Platform - Apple - Apr 10, 2015

"MacBook pro 13 2015 with yosemite 10.10.3 just crashed after launching ue4." The problem is that the recently introduced calls to IsRHIDeviceNVIDIA occur before the Mac code sets the GRHIVendorID ...

White Box Appear When Changing Screen Resolution on Standalone

White box appear when changing screen resolution on standalone. ...

Crash when enabling HZB occlusion culling

UE - Graphics Features - Dec 16, 2020

Enabling HZB Occlusion culling results in a reproducible crash. Looks like a community member noticed this back in preview 2: https://forums.unrealengine.com/unreal-engine/announcements-and-release ...

HLOD build crashes when GroupActor is present

UE - World Creation - Worldbuilding Tools - HLOD - May 24, 2022

The licensee shared information that a Null check on the following Actor can be used as a workaround. static TArray<UActorComponent*> GatherHLODRelevantComponents(const TArray<AActor*>& InSourceAct ...

Users are crashing on launch. D3D11 errors

UE - Graphics Features - Jun 23, 2015

Users are experiencing this crash on launch. They all appear to have identical machines for the most part. They've tried different GPU's though. See the additional info URL [Link Removed] [Link ...