Unreal Engine Fails to Launch with Vulkan SM6 RHI and RenderDoc Auto-Attach Enabled

UE - Rendering Architecture - RHI - Dec 3, 2025

When launching Unreal Engine with the Vulkan RHI, SM6 and RenderDoc Auto Attach on Startup enabled, the engine fails to initialize with the error: “A compatible Vulkan Driver is required to run the ...

Property Editors fail to import text values for FKeys within array/set/map containers when the key is identified by some valid non-alphanumeric characters

UE - Gameplay - Input - Oct 28, 2024

The FKey structure represents a user action input such as a keyboard key, a mouse button/wheel, or a gesture in VR. For the keyboard, it can represent any pressable key, such as letters, numbers, sy ...

[CrashReport] Mac crash - UE4Editor-Slate.dylib!FSlateEditableTextLayout::FTextInputMethodContext::GetSelectionRange()

UE - Platform - Apple - Aug 15, 2017

This is a trending Mac crash coming out of the 4.17.0 release, but also seems to have occurred in 4.16. Users have not provided any descriptions of their actions when the crash occurred. The callst ...

[CrashReport] UE4Editor_Engine!USceneComponent::UpdateComponentToWorldWithParent() [scenecomponent.cpp:492]

UE - Gameplay - Components - Aug 29, 2017

This is a common and longstanding crash that has occurred since at least 4.12 and affected more than 400 users. User DescriptionsWas following the first Blueprint tutorial and dragged the geometry ...

Cooker: Research and recommend a solution for third-party systems to aggregate data from cooked UObjects

UE - Foundation - Data Pipeline - Cooker - Mar 6, 2024

As with shader compilation, some third-party plugins need to accumulate information about all UObjects cooked in a cook session, and write their data to a database at the end of the cook; the databa ...

[CrashReport] Assertion on Mac in FCocoaRunLoopSource

UE - Platform - Apple - Jun 14, 2017

This is a common crash among Mac users in 4.16. It is spread out among many separate CrashGroups, with slight variations in Callstack. Some Example CrashGroups [Link Removed] [Link Removed] [Link ...

[CrashReport] Mac crash - FCocoaRunLoopSource::Process

UE - Platform - Apple - Sep 14, 2017

This is a somewhat common Mac crash that has occurred since at least 4.14 and into 4.17. Users have not provided any descriptions of their actions when the crash occurred. The callstack contains l ...

[CrashReport] Mac crash - USpeedTreeImportFactory::FactoryCreateBinary()

Tools - Sep 8, 2017

This is an infrequent Mac crash that has occurred for a few users since at least 4.16. Users have not provided any descriptions of their actions when the crash occurred. The callstack shares simil ...

GAS: Async loaded GameplayCueNotify can execute cue events out of order

UE - Gameplay - Gameplay Ability System - Mar 22, 2025

Licensee reported problem via UDN. Context GameplayCues ('cue') are events that can be fired by game code, that are identified via a GameplayTag. Cues can be instantaneous or can be a state on any ...

[CrashReport] UE4Editor-CoreUObject.dylib!UObject::Rename()

UE - Platform - Apple - Sep 14, 2017

This is an infrequent Mac crash that has occurred for a few users in 4.17. Users have not provided any description of their actions when the crash occurred. The callstack has a few similarities to ...