Unreal Engine Issues
Unreal Engine Issues
Actors in always loaded sublevels are not immediately recorded into replays
UE - Networking - May 24, 2024In FReplayHelper::ReplicateActor, we check Connection->ClientHasInitializedLevel(Actor->GetLevel()) to see if the actor should create a channel or not. However, the DemoNetConnection does not have a ...
COM Media Type error in video writer on 8K videos
TM - Rendering - Dec 12, 2024360 videos set to 8K resolution will fail to render in Twinmotion 2024.1.2 and newer Render attempts will end abruptly shortly after being initiated with the following error message ion the logs L ...
Recorded sequences create broken "Visibility" tracks instead of "Hidden in Game" Tracks
UE - Anim - Sequencer - Jun 19, 2017Recorded sequences create "Visibility" tracks instead of "Hidden in Game" Tracks. "Visibility" tracks appear to be legacy tracks that you can't create anymore, but is still created by Sequence Reco ...
[CrashReport] UE4Editor_OnlineSubsystemUtils!LastGetVoiceCallTime()
UE - Foundation - Core - Jul 19, 2017This is a common crash in the 4.16 release. Affected users have not provided additional information. Source Context 1795 // Some tasks can only be done once we finish all scenes/viewports ...
Reading LightAttenuationTexture Produces Unexpected Results With Forward Rendering
UE - Graphics Features - Jul 5, 2018The expected behavior occurs in 4.19; unexpected behavior occurs in 4.20 and 4.21. Marking this as a regression. Per User: Reading the LightAttenuationTexture in a material receives interference ...
Unable to Import Alembic Files in UE4
UE - Editor - Content Pipeline - Import and Export - Feb 25, 2020We have written a plugin for UE4 that allows Unreal users to import and set up Megascans assets into Unreal Engine. Recently we added Alembic files to our assets and also updated all our plugins to ...
Chaos Cloth Self Collisions Spatial is slow when Tris are much smaller than thickness
UE - Simulation - Physics - Character - Apr 21, 2023This came via a UDN. Very small triangles can generate very small lods, which make query time really slow if your self collision thickness is significantly larger. You will do X^3 checks per query ...
OnObjectPropertyChanged Firing Excessively when FText is Bulk Edited
UE - Editor - Jun 28, 2023If multiple game objects are selected at once and their text field is edited, instead of getting N events, it produces N-squared events. It looks like FPropertyHandleBase::SetPerObjectValue is call ...
Dynamic point lights generate shader compile errors on HTML5
UE - Platform - Mobile - Aug 20, 2015The new ES2 movable point lights look promising. Unfortunately, there seems to be an issue with them in HTML5 builds. They work great in the ES2 preview mode in the editor, but when running in an ac ...
Run Command fails when launching code project onto Mac from the editor
UE - Platform - Apple - Apr 18, 2017This only affect Launching on code projects. Packaging code projects works fine.LogPlayLevel: Program.Main: ERROR: AutomationTool terminated with exception: AutomationTool.AutomationException: Unabl ...