Hot Reload Crash involving variables in USTRUCTs

UE - Foundation - Cpp Tools - Hot Reload - Sep 1, 2016

This issue was created for this UDN post: https://udn.unrealengine.com/questions/306933/hotreload-crashbad-behavior-when-addingremoving-pa.html This repro is based off his last repro, cutting it do ...

~FStaticMesh() can crash with race condition

UE - Graphics Features - Mar 21, 2017

UDN user reported frequent crashes in FStaticMesh::~FStaticMesh() on DrawListLinks[i]->Remove(false); Crash went away after adding critical sections to FStaticMesh::LinkDrawList(), FStaticMesh::Unl ...

Editor crashes when edit foliage assigned to data layer in foliage mode

UE - World Creation - Worldbuilding Tools - Foliage - Apr 29, 2022

UMG SetAnimationCurrentTime no longer works

UE - Anim - Sequencer - Mar 6, 2025

Collison and Simple Collision Mip Level Crash

UE - Graphics Tools - Terrain - Landscape - Mar 21, 2023

HTML5 Engine Scalability set via C++ are not kept.

UE - Platform - Mobile - May 20, 2015

HTML5 packaged or Launched On games are not keeping settings to the ScalabilityQuality.X when deployed to Chrome 64 or NIghtly Build. Project for Repro: [Link Removed] ...

Collapsed Nodes do not move with their functions

UE - Gameplay - Blueprint - Apr 10, 2015

When you create a function and collapse nodes within it, the collapsed nodes to not follow the function category switch. I also noticed that when you move the function around that has the collapsed ...

Crash when displaying lumencards on map with many objects

UE - Graphics Features - Lumen - Aug 1, 2025

There is a thread conflict between FRDGBuilder execution in Background Worker and LumenVisualizer's LumenCard add/delete process. When lumen cards are displayed in a scene with many objects, a crash ...

Scaling pivot ignores pivot being used

UE - Gameplay - Apr 20, 2015

Scaling pivot of an actor does not scale correctly unless used for all directions. ...

Crash when opening and closing custom profiles and then closing UFE

UE - Platform - Console - UnrealFrontend - Sep 26, 2016

Semi sporadic crash is occurring when switching between profiles in UFE and then exiting out This could not be repro'd on a Win7 machine with and Nvidia 980, could not be repro'd on a Win10 machine ...