Unreal Engine Issues
Unreal Engine Issues
User Defined Struct causing crash due to accessing freed memory when using Stompmalloc
UE - Gameplay - Feb 14, 2019A licensee has reported that Custom Structs can cause a crash when using StompMalloc under certain situations. Regression?: No This occurs in 4.20 ...
Crash due to LAN beacon packet incompatibility in 4.22
UE - Networking - Apr 17, 2019We changed the IP address serialization format without bumping the LAN beacon packet version. Should just need to bump it up. ...
Eye Adaptation Material Node Only Functions in Surface Material Domain
UE - Graphics Features - Apr 24, 2019The Eye Adaptation material node only functions in Surface Material Domain. Found in 4.20 CL# 4369336, 4.21 CL# 4753647, 4.22 CL# 5660361, and 4.23 CL# 6074473 ...
When a Texture Object is used for the "Tex" Input of a Texture Sample node in a material, the material will no longer contribute to indirect lighting when used with Stationary Lights
UE - Graphics Features - Apr 26, 2019When a Texture Object is used for the "Tex" Input of a Texture Sample node in a material, the material will no longer contribute to indirect lighting when used with static lighting. Working as expe ...
STEAM: Modifying the connection slot numbers can lead to a condition where the lobby is no longer joinable
UE - Online - Apr 25, 2019Session data no longer updates when the backend tells us our session is full which then limits the ability to modify the session size on the fly. Because of this, joinability will be set on the sess ...
SceneCapture2D Component Show Flags that are Modified in a Blueprint initially are Copied not Referenced
UE - Graphics Features - May 17, 2019If you disable show flags in a SceneCapture2D component of a Blueprint, trying to re-enable them in the Blueprint will not update instances in a level. Anything that was left alone will change along ...
Private lobbies cannot be invited to on Steam
UE - Online - May 13, 2019The old method doesn't work with private match invites as it doesn't have the right security permissions. It's still valid for dedicated servers. It also doesn't work properly with lobbies on VR eit ...
Project launch options flicker between available and unauthorized/locked
Tools - Aug 20, 2018Project launch options flicker between available and unauthorized/locked Unsure what causes this, but I have hit the issue twice. Another person has also seen this on their machine. I was able to ...
Staticmesh asset sometime mess material ID when reimporting fbx or get rebuild
UE - Editor - Content Pipeline - Import and Export - Jul 9, 2019We need to investigate more what happen during this reimport with the material ID. The asset can also be broken when the DDC get dirty and the asset is rebuild. ...
DirectX Tesselation Crash
UE - Graphics Features - Dec 12, 2017Per UDN Licensee: I have 2 crash repro when enabling DirectX12, both linked to tesselation and still present in 4.18 stock engine and easy to reproduce. Crash 1 -Start editor with DirectX12 -Cre ...