Unreal Engine Issues
Unreal Engine Issues
Unable to launch project from Visual Studio using installed engine build
UE - Foundation - Build - Farm - Feb 23, 2017When a code project's engine association is switched to a local binary version of a source engine, the project will fail to open from within Visual Studio. Error message says that UE4Editor-Project ...
Client crashes when executing seamless travel with an active particle system in the level that was spawned at runtime
UE - Niagara - Apr 16, 2019Clients crash when being part of a Seamless Travel if there was an active particle system in the level that was spawned at runtime. If the travel is not seamless, the particle system is placed in th ...
Creating a Blueprintable Struct that contains a Tmap results in Editor Crash
Tools - Sep 6, 2019Any blueprint with a TArray of a struct containing a TMap crashes the editor when adding elements ...
Niagara Parameter Collection Overrides aren't working
UE - Niagara - Aug 20, 2020Parameter collection overrides defined in the Niagara system's System Properties do not work. In FNiagaraSystemSimulation::GetParameterCollectionInstance the return value of GetParameterCollectionO ...
Panorama plugin for Movie Render Queue renders black images
UE - Anim - Sequencer - MRQ - Dec 15, 2022Regression: Tested in UE5/Release-5.0, and the issue does not occur, so regression is yes This issue also occurs when you set "Enable alpha channel support in post processing (experimental)" to "Al ...
AI Move To Location zeros velocity each call, causing the AI Pawn to freeze if told to move again before reaching destination
UE - AI - Sep 12, 2016AI Move To Location causes AI to lose velocity each time it is called, resulting in a freeze in movement on each call. Regression: Yes Worked: 4.12.5 (CL 3039270) Broken: 4.13.0 (CL 3106830) Funct ...
TimeStretchCurve doesn't work in Animation Montage
UE - Anim - Gameplay - Oct 9, 2018Using a TimeStretchCurve in an Animation Montage doesn't cause it to slow down or speed up when keys are added to the curve. Link to API: [Link Removed] This was reported and tested in 4.20.3 (CL ...
Orientation Warping is rotating the mesh incorrectly on listen servers
UE - Anim - Gameplay - Apr 26, 2023See UDN for details: [Link Removed] ...
Crash Occurs on Exiting Standalone After Using DemoPlay
UE - Networking - Mar 2, 2017Using Execute Console Command nodes to record and play back a demo is causing a crash in standalone. Using the console commands themselves does not seem to cause the same crash to occur. ...
Packaging fails when Online Framework Plugin is enabled in a Binary build.
UE - Foundation - Cpp Tools - Plugin System - Nov 29, 2017Enabling the Online Framework Plugin in a Binary build of the editor (download from the Epic Games Launcher) causes packaging attempts to fail due to a file that is missing. This does not occur in s ...