Unreal Engine Issues
Unreal Engine Issues
Editor freezes when setting browser filepath for inserted element in project settings
UE - Platform - Mobile - Feb 7, 2017May be similar issue as [Link Removed] but with slightly different repro steps. Not a regression as it occurs in 4.14.3 ...
Dynamic Material instance Does Not Return Scalar Parameter Values Array Correctly
UE - Graphics Features - Apr 25, 2017It appears that MIDs do not return Scalar Parameter Values in an array. It will return the parameters during runtime but not in the construction script. The steps are meant to show you that you ca ...
Variable Value Range doesn't work during Runtime
Tools - Jul 3, 2018If a variable has been set to a default value and has a declared value range, it will ignore the value range and print the set value.The tooltip text is misleading or out of date as it gives the imp ...
Blend Space Per Bone Blend does not apply blend weight correctly
UE - Anim - Runtime - Aug 30, 2019The Blend Space's Per Bone Blend doesn't always apply its interpolation speed correctly to the appropriate bone or at all. ...
[Feature Request] Single Layer Water shader doesn't accept Realtime Raytracing Shadows
UE - Graphics Features - Lumen - Apr 1, 2021This might be feature request? ...
Editor freezes when force deleting a level created with Conversion Suffix
UE - World Creation - Worldbuilding Tools - World Partition - Apr 20, 2021Once force delete is initiated, editor was still non-responsive ~10 minutes later and had to be closed from Task Manager. Upon reopening the project, the level is still present in Content Browser an ...
The IndirectLightingSHSingleCoefficient for translucency on mobile is too bright
UE - Platform - Mobile - Apr 28, 2022JsonObjectToUStruct removes _ClassName from input FJsonObject, breaking repeated deserialization
UE - Core - Systems - Mar 18, 2026FJsonObjectConverter::JsonObjectToUStruct removes _ClassName from nested JSON objects during deserialization. Removing Obj->RemoveField(ObjectClassNameKey) from ConvertScalarJsonValueToFPropertyWit ...
Keyboard Shortcuts for Blueprint Editor Do Not Appear until Opening Blueprint
Tools - Feb 11, 2015In any newly opened project the 'Keyboard Shortcuts' within the 'Editor Preferences' for the 'Blueprint Editor' do not appear until you have opened a blueprint within the project. After closing and ...