Unreal Engine Issues
Unreal Engine Issues
Replay System throws an Ensure during demoplay when calling it in a different Level
UE - Networking - Jul 10, 2019Replay System throws an Ensure during demoplay when calling it in a different Level. The error is thrown at Source\Runtime\Engine\Private\RepLayout.cpp]. It does not prevent the Replay from being pl ...
Level sequencer's play to(second) function not working as expected
UE - Anim - Sequencer - Aug 22, 2019The function Play to(seconds) does not functions as it's tooltip implies. "Play the sequence from the current time, to the specified time in seconds". The function instead snaps to the specified tim ...
"Simulate Selected" overwrites "Physics Type" property when playing in Editor
UE - Simulation - Physics - Sep 5, 2019"Simulate Selected" overwrites "Physics Type" property when playing in Editor. In any subsequent PIE sessions SK_Mannequin will simulate physics even though the option is toggled off. This was repo ...
Using ServerTravel <MapName> command with Seamless travel causes level blueprint logic to not run on client
UE - Networking - Jan 14, 2020When calling the ServerTravel command when using seamless travel, level blueprint logic is not being run on the client side. NOTE: Adding a small delay (tested with .2 to 2 seconds) after the "B ...
Cannot copy and paste cloth config parameters
UE - Simulation - Physics - Character - Apr 23, 2020Copy/pasting cloth configs used to be possible in 4.23. It then got broken in 4.24 (crash) with the introduction of changes required for the new physics engine. In 4.25, the config evolved to a Map ...
EngineSubsystem Deinitialize is not being called
Tools - Jan 24, 2020UEngineSubsystem::Deinitialize() is not called when closing the editor In addition, (tested only with released 4.24.1) when recompiling a module using the "Modules" window in the editor the d ...
BP multi-level inheritance does not correctly inherit 'Static' mobility
UE - Framework - Blueprint - Sep 8, 2022User reported an issue of a mesh not being visible when a project has multi-level blueprint inheritance. After reproing, I believe the root cause is DefaultSceneRoot of the grandchild BP class not c ...
Syncing issue when stopping and blending out a non-looping montage to an anim graph
UE - Anim - Gameplay - Feb 7, 2023When syncing from a non-repeating montage that is blending out to an anim graph, the anim montage is marked as a follower due to having its PrevMaker as an AnimBoundary(-1), furthermore in this case ...
Parameters show up in material instances even if they're not supposed to be exposed
UE - Rendering Architecture - Materials - Feb 28, 2018In this case, I've added inputs to a material function. That material function input uses a parameter as it's default value. [image: Inline image 1] When referenced in the shader[image: Inline ima ...
Opening a Niagara asset that references a disabled plugin (Chaos Niagara) can crash the editor
UE - Niagara - Jan 18, 2024Opening a module with references to a disabled plugin can crash the editor. ...