Unreal Engine Issues
Unreal Engine Issues
Sub Animation Blueprint causes crash when compiling character BP
OLD - Anim - Dec 9, 2016Error message: Access violation - code c0000005 (first/second chance not available) Source Context: 931 OutputCurveMap(AnimationCurves[(uint8)EAnimCurveType::AttributeCurve], Canvas, Displa ...
Static variable declaration causes unresolved external errors when calling FRootMotionMovementParams functions
OLD - Anim - Jan 11, 2017Attempting to call a FRootMotionMovementParams function results in an unresolved externals error on compile because of the static FVector RootMotionScale variable. Workaround: In source, removing s ...
Yosemite users do not receive an "Unsupported version of OSX" message when opening 4.15 from the Epic Games Launcher
Portal - Jan 19, 2017When trying to launch the Unreal Engine on OS X Yosemite form the Epic Games Launcher, the editor will not give a warning saying that the current version of OS X is not compatible. We were able t ...
Second UVs wiped when using Merge Actors Tool
UE - World Creation - Worldbuilding Tools - HLOD - Jan 26, 2017The merge actor tool no longer saves additional UVs used for the merged mesh. This was not the case in 4.13, but in 4.14 and later this information is no longer present. Also worth noting is that i ...
Crash when using Ctrl+Z to undo a single digit change in the size of a widget
UE - Anim - Sequencer - Feb 21, 2017When trying to undo a single digit change the editor will crash. For example, if a user highlights and replaces a single number in the size of a widget and then attempts to undo, the editor will cra ...
Duplicates of Actor Blueprints have a Blank, Black preview Window
UE - Editor - Content Pipeline - Content Browser - Feb 21, 2017Duplicates of Actor Blueprints have a blank, black preview instead of the preview of the original (See sample image). Not a regression, occurs in UE4.14.3 as well ...
The Editor crashes when adding an element to a TMap that uses an unhashable struct as a key
UE - Gameplay - Blueprint - Feb 28, 2017The Editor crashes if an unhashable struct is used as a key in a TMap and a new element is added to the TMap in a Blueprint. ...
Transform does not update after first time for Instance Static mesh in Blueprint Editor
UE - Gameplay - Blueprint Editor - Mar 2, 2017In 4.15 When you update the transform of an instance static mesh a second time the editor does not update the location, to get the update to display correctly you must close and re-open the blueprin ...
Data is not filled in for a Blueprint struct array contained within another Blueprint struct
UE - Gameplay - Blueprint - Mar 6, 2017If a Blueprint struct contains a variable that is an array of another Blueprint struct, data in a datatable based on the first struct will not be correctly filled in for the struct array. If the str ...
Major performance drop with instanced meshes since PhysX 3.4 upgrade
UE - Simulation - Physics - Mar 15, 2017Major performance drop with instanced meshes since PhysX 3.4 upgrade Regression: YES Worked: 3172292 (4.13.2) Broken: 3249277 (4.14.3) For me, my results were: 4.8 through 4.13 No Collision - ...