iOS: Local notifications can be overridden if using the same title

UE - Platform - Mobile - Feb 1, 2019

A customer found out that the NotificationNumber static variable is never incremented. This results in a constant NotificationIdentifier string when using the same Title. Seems like it should be ...

Overridden Events that can be called in editor are indistinguishable from their parent's counterparts inside of child blueprints

UE - Gameplay - Blueprint Editor - Apr 18, 2019

If an actor has a custom event that can be called in the editor and that event is then overridden by a child blueprint, both events will show up in the details panel. The issue is that these two eve ...

ActorActionUtility / AssetActionUtility does NOT properly work if function has struct paramter

Tools - May 21, 2019

ActorActionUtility / AssetActionUtility use SStructureDetailsView  to show dialog for editing function's parameter ( FBlutilityMenuExtensions::CreateBlutilityActionsMenu ).  But SStructureDetailsVi ...

Mac - Media Player - Web Cam not accessible

Media Framework - Jan 20, 2020

Audio/Video Devices are no longer accessible via Media Player on Mac. User info: "We think it is connected to camera and microphone privacy. We have got a crash trying to access to camera from cust ...

Landscape Layer Masks can't be imported

UE - Graphics Tools - Terrain - Landscape - Jan 3, 2023

Repro Rate: 3/3 This is a live issue that has been tested to occur in //UE5/Release-5.1 at CL 23058290. This is also confirmed to not be a regression since this issue also occurs in //UE5/Release- ...

[AI] Editor crashes when editing values of an FInstancedStruct's TArray inside of a BP

UE - AI - Jun 30, 2023

While using a custom struct that contains a TArray member variable with FInstancedStruct, you cannot edit it in the editor without a crash. Other structs and types work as expected even if they deri ...

Adding SmartObjectZoneAnnotationComponent to a blueprint actor causes a crash when building the package

UE - AI - SmartObject - Jan 30, 2025

If placing an actor with SmartObjectZoneAnnotationComponent added to blueprint actor in a level, it will crash when the level open. As a workaround, adding SmartObjectZoneAnnotationComponent to the ...

WmfMedia: Cannot load media with multiple tracks of the same type

Media Framework - Aug 31, 2016

The currently implementation of WmfMedia player initialization is incorrect in that it creates a playback topology that includes all source tracks, but some of them are disabled. The intent was to e ...

Nullptr dereference in FHeadMountedDisplay::UpdateSplashScreen()

UE - Platform - XR - Apr 5, 2017

A customer has had problems running a game with a splash screen when passing -game flag to the editor. UpdateSpashScreen will call GetCurrentFrame, which can return a nullptr but fails to verify it ...

Packaged builds don't copy over plugin config files

UE - Foundation - Cpp Tools - Plugin System - Nov 21, 2017

We currently do not copy over the Config folder when we are packaging a plugin for inclusion with a packaged game. This is likely because we haven't supported plugin config files in the past, but th ...