Unreal Engine Issues
Unreal Engine Issues
[CrashReport] Linux Crash in FActiveSound::GetWorld()
UE - Platform - Linux - Aug 11, 2017This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Descriptions from users are provided below. Error message: SIGSEGV: invalid attempt to write ...
Restore State for Make MovieSceneSequencePlaybackSettings Not Resetting Sequencer State Appropriately
UE - Anim - Sequencer - Oct 3, 2017Restore State should have an affect on sequencer. The animation snaps back to its starting point even when this option is not set if played in PIE. If you drag in the level sequence in the editor an ...
Component hierarchy is reset for a Blueprint instance's newly added components if root is created in C++
UE - Gameplay - Blueprint - Feb 7, 2018When a Blueprint is based off of a class that has its root component defined in C++, any components added to an individual instance of a blueprint reset their hierarchy so that they are always attac ...
[Landscape] only returns DefaultPhysicalMaterial when run in editor world
UE - LD & Modeling - Terrain - Landscape - Jun 19, 2018Landscape will only return "DefaultPhysicalMaterial" when run in editor world. In game time it will return the proper physical material. Found in 4.19 CL# 4033788, 4.20 Preview 3 CL# 4135216 , 4.21 ...
Curl Noise Force Not Applying to Niagara Emitter
UE - Niagara - Jul 30, 2018Curl noise force will not affect a Niagara particle regardless of strength. Current work around is to disable then re-enable "apply forces" under "solve forces and velocity" Found in 4.20 CL# 4233 ...
Editor crashes if Sequencer has keyframes for a variable that has changed
UE - Anim - Sequencer - Sep 19, 2018The Editor crashes if loaded sequence has keyframes for an actor variable that has been changed, instead of soft erroring out. This was reported and tested on 4.20.3 (CL-4369336). It was reproduced ...
Copy+Paste with custom widget seems to "break link" with default values
UE - Editor - UI Systems - Nov 8, 2018It should be noted that this issue does not occur if you were to create a new "test widget" (by dragging it from the widget list) every time instead of copying and pasting an existing widget. The i ...
Unable to change Blueprint Child Variable values in Python
UE - Editor - Workflow Systems - Dec 20, 2018Using the Python function unreal.SystemLibrary.set_bool_property_by_name() to change the default variable values of a child Blueprint do not work as intended. Tested in 4.20.3 (CL - 4369336), 4.21. ...
No error message when connecting a non-convertible pin type on a MakeSet node
UE - Gameplay - Blueprint Editor - Jul 19, 2019No error message when connecting a non-convertible pin type on a MakeSet node. The connection fails silently. I have not checked this issue on Linux or Mac. This was also seen in //UE4/Release-4 ...
Spline points deleted after movement
UE - Editor - Workflow Systems - Sep 6, 2019Spline points are deleted from the Spline component after adding them in Python and then moving them in the scene. Tested in 4.21.2 (CL - 4753647) 4.22.3 (CL - 7053647), 4.23.0 (CL - 8386587), 4.24 ...