Unreal Engine Issues
Unreal Engine Issues
PLCrashReporter iOS Bitcode packaging Error
UE - Platform - Mobile - Mar 6, 2019Unable to package a CPP project with Bitcode enabled Confirmed in 4.23 MAIN @ CL 5291468 ...
Raytraced reflection doesn't work with high roughness
UE - Graphics Features - Lumen - Oct 30, 2020Even when the max roughness for raytraced reflections is set to 1, they seem to be blended away at far below that value. For projects (e.g. film,vfx) where quality trumps speed it would be valuable ...
When multiple actors are selected, they have different undo behavior in the details panel
UE - Editor - Verse Class Editor - Nov 15, 2021When the text in spinbox has focus, it doesn't get the change notification externally. It may also be worth noting that ctrl z or ctrl y also do not get bubbled up to undo the text box values. It a ...
Blueprints: ComponentClass override causes crash on loading maps with instances saved with base class
UE - Framework - Blueprint - May 1, 2026Context In actor blueprints, you can change an inherited component’s class in the editor by selecting it in a child blueprint and changing its Component Class in the Details panel. Problem When o ...
Control Rig parameters don't function in the AnimBP after the Editor restarts
UE - Anim - Rigging - Control Rig - Jun 14, 2020Control Rig parameters don't function after editor restarts. Also the default values don't function and you need to use an input instead of directly editing the values of the pins. You can work aro ...
Blueprint based Procedural Foliage parameter changes not being reflected after resimulation
UE - World Creation - Worldbuilding Tools - Foliage - Jun 15, 2016Frequency: 5/5 Procedural Foliage created via the Blueprint method only reflects parameter changes on resimulation if the parameter in the Blueprint has been modified then compiled. After that, you ...
Unable to edit blueprint instance's components when attached to another actor
UE - Gameplay - Blueprint - Feb 22, 2019Attempting to edit the properties of a component on an instance of a Blueprint class that initializes its RootComponent in its Constructor and is attached to another actor in the level results in od ...
Black flickering on Mesh particles when the Renderer is set to a non-default Facing Mode or using Orient Mesh to Vector and when using Particle Position in the Material's WPO
UE - Niagara - Jul 23, 2020Black flickering on Mesh particles when set to a non-default Facing Mode or using Orient Mesh to Vector and when using Particle Position in the Material's World Position Offset ...
Non-reflected header files not recognized by UHT
UE - Foundation - Core - Jul 28, 2015A user adds 3 .h files though Visual studio where the first contains a struct, the 2nd includes the 1st, the 3rd includes the 2nd and tries to make a variable of the struct declared in the 1st. The ...
Opening Editor preferences window while simulating and pressing Play/Stop causes memory leak
UE - Foundation - Core - EditorLoader - Feb 3, 2020An open but minimized Editor Preferences window causes a memory leak while simulating and repeatedly pressing Play/Stop. ...