Blueprint NAND node should not be associative.

UE - Gameplay - Blueprint - Jan 6, 2016

NAND is not an associative operation, so it should not use the markup that makes N+1 input nodes work by calling the underlying function N times. This was brought to light here: https://udn.unreale ...

Jumping after walking off a ledge does not allow for Max number of jumps

UE - Gameplay - Oct 18, 2016

If the max number of jumps is 'n', jumping from the ground allows for 'n' jumps, but walking off a ledge and then jumping only allows for 'n-1' jumps. Ex: If Jump Max Count is set to 3 (triple jump ...

Oculus Quest Link with OpenXR fires action events multiple times when multiple action events are bound to the same key

UE - Platform - XR - Jul 14, 2021

From a developer: If the same key is mapped to N action events all the mapped events fire N times. This issue only exists with the OpenXR plugin enabled and does not occur for any keyboard/mouse i ...

Crash Creating Geometry Collection on Windows 7

UE - Simulation - Physics - Oct 24, 2019

Crashing on windows 7 when trying to create a geometry collection or opening the chaos destruction demo. Breaking on D3D11Util.cpp: Line 249 UE_LOG(LogD3D11RHI, Fatal,TEXT("%s failed \n at %s:%u \n ...

BPGC GetPreloadDependencies() may be excluding non-DSO archetypes

UE - Gameplay - Blueprint - Apr 10, 2023

Currently, UBlueprintGeneratedClass::GetPreloadDependencies() is only inclusive of subobjects instanced via CreateDefaultSubobject(). We may need to broaden it to include RF_ArchetypeObject and/or ...

Recast rcScopedDelete<T>::resizeGrow copies too many elements

UE - AI - Navigation - Nov 5, 2024

Context The Recast module has a helper struct rcScopedDelete for allocating, resizing and automatically freeing the allocated memory when the struct goes out of scope. Its allocation functions can ...

[CrashReport] FCurveEditorSharedData::FCurveEditorSharedData

UE - Niagara - Nov 1, 2017

This is a trending crash coming out of the 4.18 release. It may be a regression as there is no record of it occurring in 4.17. User Descriptionsopening a particle from the conetnt browser Source ...

Crash when adding Actor Array Element to a Sequencer Event Struct

UE - Anim - Sequencer - May 25, 2017

Crash when adding Actor Array Element to a Sequencer Event Struct Error message: Assertion failed: 0 [Link Removed] [Line: 56] Source Context: 42 N = FName(*StringName); 43 ...

[CrashReport] FPhysicsAssetEditorSharedData::FPhysicsAssetEditorSharedData

UE - Simulation - Physics - Nov 2, 2017

This is a trending crash coming out of the 4.18 release, and may be a regression. Users have not provided any descriptions of their actions when the crash occurred. Source Context 2290 #end ...

EDITOR: LIVE: CRASH: Reroute nodes can cause a loop that freezes the editor.

UE - Gameplay - Blueprint - Jul 29, 2014

Branch Build Label UE4-Main Promoted-CL-2230001 DESCRIPTION: If reroute nodes are used to make a loop, the editor will not catch it and the loop will freeze the editor. ADDITIONAL NOTES: Creatin ...