Nanite meshes' selection outline is off with temporal upsampling

UE - Graphics Features - Nanite - Feb 2, 2021

Non nanite mesh have an outline that match lit geometry, but not nanite meshes. The plan is to enable temporal upsampling by default in 5.0, so this issue will become problematic [Link Removed ...

Sky Lights don't effect Translucent materials

UE - Rendering Architecture - Materials - Nov 21, 2022

Regression: Tested in UE5/Release-5.0, this issue does not occur so it is a regression Appears to be an issue with Lumen and Skylights with Cubemaps. Directional lights, point lights, etc. all work ...

If LevelSequence ends during a shot that includes a CineCameraActor, Player Camera is not reset correctly

UE - Anim - Sequencer - Dec 13, 2022

Reproduced 3/3 times, issue does not occur in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed Regression. Issue occurs when sequence ends with shot, and if sequence is interrupted during shot. ...

Materials with transparency still visible in alpha with holdout in Render layers.

TM - Tools - Mar 8, 2024

The Transparent materials like the Glass don't behave correctly in Raster (in PT is working as expected).  They are visible in Alpha with Holdout.  This is an Engine limitation for now. But we sho ...

[CrashReport] UE4Editor-UnrealEd!UEditorEngine::CheckForWorldGCLeaks(UWorld *,UPackage *) [EditorServer.cpp:1969]

UE - Editor - Content Pipeline - Content Browser - Jan 28, 2019

Comment from user in crash group:Created a new level, tried opening it, clicked yes to save existing persistent level and sub-levels, crashed. Generated from CrashReporter ...

Crash after adding an AI Perception component to a parent and child character

UE - Gameplay - Sep 14, 2017

Crash after adding an AI Perception component to a parent and child character. First they both must have had AI Perception components > Compiled and saved > Then both AI Perception components delete ...

Crash on PIE exit after dynamically enabling and disabling tick functions through the Level Script blueprint.

UE - Gameplay - Mar 23, 2018

User reports hitting an assertion due to invalid FTickTaskManager state when game is attempting to unregister a tick function that was previously disabled dynamically. Failed assertion is in FTickT ...

Crash when using Ctrl+Z to undo a single digit change in the size of a widget

UE - Anim - Sequencer - Feb 21, 2017

When trying to undo a single digit change the editor will crash. For example, if a user highlights and replaces a single number in the size of a widget and then attempts to undo, the editor will cra ...

[CrashReport] UE4Editor_CoreUObject!FWeakObjectPtr::Get() [weakobjectptr.cpp:81]

UE - Simulation - Physics - Nov 2, 2017

This is a trending crash coming out of the 4.18 release. It may be a regression. User Descriptionscreated a physics asset and tried to open it... Source Context 66 if (!SerialNumbersMatc ...

Error when exporting OBJ unattended

UE - Editor - Content Pipeline - Import and Export - Dec 1, 2020

When doing an unattended OBJ export with python. The export will fail and give the atteched callstack. ...