Unreal Engine Issues
Unreal Engine Issues
Setting multiple identical actors to replicate movement will crash on PIE with multiple players
UE - Networking - Jan 28, 2015If 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, 2016If 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, 2016First 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, 2016Crash Reporter link: [Link Removed] With Source Context: [Link Removed] ...
Fix log spam when using a vive wireless adpater
UE - Platform - XR - Dec 19, 2018We 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, 2020Demo 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, 2022Details 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, 2023Screen 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 ...
UKismetArrayLibrary::GenericArray_Shuffle is weighted to return some results more than others
UE - Gameplay - Aug 15, 2017The implementation of UKismetArrayLibrary::GenericArray_Shuffle() will generate certain array shuffle results more often (up to three times as much) than others, rather than having a roughly equal c ...