Unreal Engine Issues
Unreal Engine Issues
Crash upon opening packaged game when Event Driven Loader is disabled
UE - Foundation - Core - Apr 26, 2019Packaged games are unable to open when Event Driven Loader is disabled. The error message given is: Assertion failed: !Linker->GetSerializeContext() [File:D:\Build\++UE4\Sync\Engine\Source\Runtime\C ...
Vive Trackpad X and Y always return 0
UE - Platform - XR - Feb 3, 2020Platform-specific input for pad axis in 4.24 leads to missing value in VIVE. in 4.23.1 this is not reproduced. ...
Add Actor World Offset does not work consistently with physics-enabled objects
UE - Simulation - Physics - May 3, 2022Add Actor World Offset does not work consistently with physics-enabled objects Repro Rate: 3/3 Tested this in //UE4/Release-4.27 @ CL#18319896 and the issue did not occur there, it is a regression ...
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 ...
Regression: External owned Spawnable object disappears when the sequencer movie is finished.
UE - Anim - Sequencer - Nov 26, 2020Regression: external owned spawned actors stays in 4.25 & 4.25 plus but it is removed from 4.26P5, 4.26P6, 4.26P7 ...