[CrashReport] UE4Editor_ApplicationCore!FWindowsWindow::ReshapeWindow() [windowswindow.cpp:465]

Tools - Feb 17, 2018

No user comments in crash group 450 NewHeight = FMath::Max( NewHeight, FMath::Min( OldHeight, MinRetainedHeight ) ); 451 } 452 453 if (IsMaximized()) 454 ...

Spring Controller node rotation not working

OLD - Anim - Jan 31, 2019

The issue has been reported by one of our licensee. He proposed a patch to be applied in AnimNode_SpringBone.cpp 188,189c188,191 < FVector ParentToTarget = (TargetPos - ParentSpaceBase.GetLoca ...

Blueprint Array/Map properties with DefaultToInstanced types are not instanced properly

UE - Gameplay - Blueprint - May 6, 2019

At a licensee, I discovered a problem where Blueprint-created array and map properties are not correctly propagating the ContainsInstancedReferenced property flag. This means that if you create a Ma ...

DrawDebugString display wrong position in PIE when changed display scale

Tools - Sep 16, 2020

The display position of the text in DrawDebugString is affected by the scale of the display. Should refer to the Project() of DebugCanvas (not Canvas). -  Suggest Code void AHUD::DrawDebugTextL ...

Missing SmallOSAlloc/Free memory tracking with LLM on iOS

UE - Platform - Mobile - Dec 11, 2020

Licensee reports missing memory tracking for LLM on iOS: In Engine/Source/Runtime/Core/Private/HAL/MallocBinned.cpp in SmallOSAlloc, there is a compiler define for IOS and within it there is an LLM ...

AsyncSaveGameToSlotForLocalPlayer does not properly handle multiple requests

UE - Gameplay - Nov 14, 2025

ULocalPlayerSaveGame::AsyncSaveGameToSlotForLocalPlayer was designed to properly support multiple in flight requests at the same time, but the current code does not work correctly and this can cause ...

AutoReceiveInput get incorrect controller on the Listen server at SeamlessTravel

AutoReceiveInput get incorrect controller (previous controller on previous level) on the Listen server at SeamlessTravel. In the process of SeamlessTravel, player controller is changed for new leve ...

Editor Crashes When Reopened Project's Level that Contains Vertex Painted Asset is Opened

Tools - Apr 17, 2018

Editor crashes when asset is imported in as a skeletal mesh, brought into a level, vertex painted using the paint tab under modes, all assets are saved, project is reopened, then level is reopened. ...

Physics Constraint doesn't hold if one Component is used for constraint

UE - Simulation - Physics - Jul 22, 2015

Physics Constraint doesn't hold if one Component is used for constraint User Description: Hello, I recently updated the project from 4.7.6 to 4.8.2 and the physics constraint don't seem to work an ...

UnrealVS: Compile Single File no longer working after upgrading to 5.3

UE - Core - Cpp Tools - Oct 2, 2023

After installing the UnrealVS version that arrived with 5.3. I can no longer use CompileSingleFile. It does however work on the Lyra project. One difference I notived, however, is that Lyra seems to ...