Fix a crash in Callback_ResolveMarker when handing a GPU crash

UE - Rendering Architecture - RHI - Jan 20, 2025

Licensees have reported crashes being triggered while the engine is resolving debug markers for an Nvidia Aftermath dump. This makes it difficult to properly investigate crashes ...

Setting multiple identical actors to replicate movement will crash on PIE with multiple players

UE - Networking - Jan 28, 2015

If ten or more of the same actor in a level have the "replicate movement" checkbox set to true, the editor will crash on PIE if the number of players is set to 2 (or with 1/2/3 players if dedicated ...

Startup Movies Fail to Play when Audio Devices are Disabled

Tools - Feb 1, 2016

If a user launches a project in Standalone mode and has a Startup movie while the audio devices on the computer are disabled, the movie will fail to play. As soon as you re-enable an audio device, ...

Blender FBXs import wrong number of bones which causes issues with Apex Cloth files

Tools - Jan 6, 2016

First of all, I'm not sure this is an issue with UE4, but I'm not familiar with Blender to rule this out. A user has reported an issue when importing a Rigged mesh from Blender it will add an addi ...

Crash when spawning destructible objects in 2 player PIE

UE - Simulation - Physics - Destruction - Aug 31, 2016

Crash Reporter link: [Link Removed] With Source Context: [Link Removed] ...

Fix log spam when using a vive wireless adpater

UE - Platform - XR - Dec 19, 2018

We need to handle TrackedDeviceClass_DisplayRedirect as a valid device in SteamVRController.cpp ...

Fix function forwarding in demo drivers in instant replays

UE - Networking - Jul 13, 2020

Demo drivers that are actively playing back a replay while still connected to another server as a client (via game net driver) will generate warnings due to the function forwarding code (UNetDriver: ...

Breaking level instances does not adequately fix up actor references

UE - World Creation - Worldbuilding Tools - Level Instances - Aug 29, 2022

Details in link. ...

Editor will crash on attempt to load a previously-saved Blueprint asset with a serialized default subobject containing a serialized static array of two or more nested subobject instances.

A crash will result if a Blueprint class that's based on a native C++ class containing two or more nested, explicitly-instanced subobjects referenced by a fixed-size object array property are serial ...

Screenspace Denoiser creates artifacts for Ray Traced Shadows

UE - Graphics Features - Ray Tracing - Nov 13, 2023

Screen space denoiser creates two types of artifacts: artifacts around boundary for general lighting The artifact is there before 5.2 but since the ray traced shadow denoiser denoises on the sqr() s ...