Copied and Pasted tracks do not persist between editor session in UMG Sequencer

UE - Anim - Sequencer - Feb 6, 2019

Copied and Pasted tracks do not persist between editor session in UMG Sequencer Outside of //UE4/Dev-Sequencer this will result in a crash: [Link Removed] ...

New VR-Basic level triggers Metal validation layer assertion

UE - Platform - Apple - Mar 16, 2020

This was discovered externally and reported on UDN here: https://udn.unrealengine.com/questions/563268/mac-editor-crash-when-disable-ambient-occlusion.html ...

[CrashReport] UE4Editor-MovieSceneTracks!UMovieSceneComponentMobilitySystem::RestorePreAnimatedState

UE - Anim - Sequencer - Sep 13, 2021

[CrashReport] UE4Editor-MovieSceneTracks!UMovieSceneComponentMobilitySystem::RestorePreAnimatedState(IMovieScenePreAnimatedStateSystemInterface::FPreAnimationParameters const &) [MovieSceneComponent ...

Opening Montage hangs UE4Editor

OLD - Anim - Sep 21, 2015

Editor experiences an unrecoverable hang when placing the user's Montage into a Third Person Blueprint Project and opening the montage after retargeting to the current skeleton. Attached Log from P ...

[CrashReport] UE4Editor_Engine!FAVIWriterWin::Initialize() [aviwriter.cpp:239]

UE - Anim - Sequencer - May 24, 2016

Error message: Access violation - code c0000005 (first/second chance not available) Source Context: 224 225 hr = Graph->AddFilter(CaptureFilter, L"Capture"); 226 if ...

Input breaks after spawning character from template

UE - Gameplay - Input - Jun 14, 2017

When a character is spawned from a template of an existing character instance, the existing instance loses the ability to read any input. This was discovered when testing the crash fix for [Link Re ...

[CrashReport] UE4Editor_OutputLog!SConsoleInputBox::OnKeyCharHandler() [soutputlog.cpp:710]

Tools - Jan 19, 2018

Comments from user:crashes when trying to type "dynamic" into the console tab I attempted the users repro in 4.19 Binary @ 3843120 and was unable to come up with a repro. ...

FSlateApplication GetUserFocusedWidget (and others) needs bounds checking

UE - Editor - UI Systems - Slate - Jul 27, 2015

(see udn link) GetUserFocusedWidget can crash when a player disconnects their controller as the index into the array goes out of bounds. HasUserFocus, HasUserFocusedDescendants may also have simila ...

GPUFree is called on allocations not made with GPUMalloc

UE - Platform - Console - Aug 30, 2016

GPUFree is sometimes called on allocations not made with GPUMalloc. Later this will cause GPURealloc to be called with invalid values and cause a crash. This can occur with vertex buffers. ...

Slate memory stomp on engine shutdown caused by invalidation panel

UE - Editor - UI Systems - Slate - Feb 8, 2017

A licensee reported a crash happening when the engine shuts down. We determined it only occurred when invalidation panels are used, likely caused by a call to ClearChildren on a canvas panel in an i ...