Unreal Engine Issues
Unreal Engine Issues
Sequencer Render: Animation not updating for a moment on camera cut
UE - Anim - Sequencer - Mar 17, 2017When rendering from sequencer to an image sequence, character animation stops for 2 frames after a camera cut. This hitch does not occur when playing the sequence in PIE I've attached some sample d ...
Clothing Data Cannot Be Created If The Old Data Was Deleted While Applied
UE - Simulation - Physics - Character - Jan 16, 2020When you delete clothing data on a skeletal mesh before removing it you cannot apply new clothing data. The engine still thinks that there is clothing data is applied. I tested using the Paragon: Tw ...
Components copy/pasted from an actor instance's SCS can't be deleted from a Blueprint
UE - Framework - Blueprint Editor - Jan 31, 2023SCS added components pasted from an actor instance in the level editor cannot be deleted from the target Blueprint because the component template has the RF_ArchetypeObject flag. ...
LogRenderer errors produced when using the restore button in viewport
UE - Graphics Features - Jan 11, 2017When using the restore button to obtain orthographic views of the scene the output log spits out several errors:LogRenderer:Error: No Color LUT texture to sample: output will be invalid. LogRendere ...
Renaming a variable in the variables tab occasionally creates new variables
UE - Niagara - Nov 7, 2018Here you can see two similarly named variables. One contains debug in the name and the other does not. The one that does not was generated after I attempted to rename the variable in the variable pa ...
Invalid GUIDs on new material instance parameters cause overrides to break on base param rename
UE - Rendering - Architecture - Materials - Sep 3, 2025When a parameter value is assigned on a newly created material instance (constant or dynamic) using Set***ParameterValueInternal, the parameter’s ExpressionGUID is left invalid (0,0,0,0). Parameter ...
Crash trying to delete an actor after undo/redo adding a component
Tools - Feb 1, 2017Not a regression as it occurs in 4.14.3 ...
Crash When Renaming a Duplicated Collapsed Node Graph With an Asterisk in the Name
UE - Gameplay - Blueprint - Sep 20, 2017A crash is occurring if you collapse a node and name the collapsed graph something that contains an asterisk. The crash occurs if you copy and paste the collapsed graph, then attempt to rename it. I ...
Deleting a function in a parent class that is over written in a child class will cause a crash
UE - Gameplay - Blueprint - May 7, 2015The editor crashes after deleting a function in a parent class that has been implemented and over written in a child class. ...
Unhovered event occurs twice with 3D Widget when button is pressed and held
UE - Editor - UI Systems - Jul 21, 2017When using a 3D Widget that is a button when you press and hold a button and move off of the widget and let go of the mouse the engine registers a second unhovered event. Engine Version tested 4.1 ...