Fractured Geometry Collection triggers a crash when colliding with an Animation Blueprint with a Rigidbody Node

UE - Simulation - Core - Sep 25, 2023

This is not a regression. Tested in //UE5/Release-5.2 CL26001984 The editor crashes when a physics asset of an animation with rigid body collides with geometry collection. ...

LevelSequenceActor sequencer loaded with DataLayer does not progress track when played

UE - Anim - Sequencer - Nov 1, 2023

In UE5.2, there seems to be a problem with the initialization of the reloaded LevelSequenceActor. SequencePlayer->Initialize is not called in  ALevelSequenceActor::InitializePlayer() and Tick regist ...

Rotator visual helper appears in local Presentation exports

TM - Tools - Nov 6, 2025

Reported in SF [Link Removed] The Rotator animator's visual helpers will be visible in locally exported Presentations when it should be hidden. This does not affect the Translator animator. ...

In Standalone mode, when reading world partition actor descriptors for BP actors, "bIsSpatiallyLoaded" receives its value from the native base class instead of the BP class, so BP actors are loaded/unloaded based on the wrong condition.

UE - World Creation - Worldbuilding Tools - World Partition - Oct 15, 2024

Consider an actor defined in C++ with "bIsSpatiallyLoaded" set to true (the default), and a derived blueprint that overrides "bIsSpatiallyLoaded" to false. Now consider an actor instance of that blu ...

Engine crashes when trying to remove unused bones from skeleton

UE - Anim - Runtime - Mar 10, 2021

Engine crashes when i try to remove unused bones. I have lot of things going on in those characters, they all share same skeleton. There are anim blueprints with control rig and pose drivers, there ...

Editor crashes when exiting and having a widget blueprint open.

UE - Editor - UI Systems - Dec 22, 2015

This is a top crash occurring in the 4.11 Preview Editor crashes when exiting and having a widget blueprint open. Regression: Yes does not occur in 4.10.2. ...

Make sure games can ship with VS2015 without needing extra redists

Tools - Jul 28, 2016

VS2015 redists are not part of our standard redist install (because their update prereqs on Windows 7 and 8 make them virtually impossible to package in), so applocal install is required. ...

Fire tower lights do not change when held down in StrategyGame on iOS

Docs - Samples - Aug 18, 2016

The fire tower charge effect is not working correctly on iOS. This was tested with an iPhone6S_6240 OS: 9.3.2 Does not occur on Android. Tested on Galaxy S7 ...

Missing Persona Keyboard Shortcuts in Editor Preferences

UE - Gameplay - Oct 25, 2016

After opening a skeletal mesh in Persona, the keyboard shortcuts do not appear for Persona and cannot set keyboard shortcuts This is a regression, Persona appears as a category in 4.13.2 ...

Vehicle Game Warning: LogAudio:warning: Detected orphaned looping sound 'Vehicle_Race_Cue'.

Docs - Samples - Oct 5, 2016

Warning populates when the game starts. LogAudio:warning: Detected orphaned looping sound 'Vehicle_Race_Cue'. This warning occurrs in 4.13.2 CL3145013. NOT a regression. ...