Unreal Engine Issues
Unreal Engine Issues
Instance UObjects in an array on an Actor replaced by pointers to other objects in array while PIE
UE - Gameplay - Blueprint Runtime - Sep 20, 2018When this issue occurs printing out the addresses of each item in the array shows that elements 2 and 3 have the same address, so for some reason the second element's value is being overridden by th ...
UV merging issue when merging meshes with multiple materials
UE - LD & Modeling - Modeling Tools - Mesh Editing - Jul 15, 2019See https://udn.unrealengine.com/questions/505632/view.html for more details Repro: -Have a mesh with 3 sections and 3 materials, assign section 1 to material 1 and section 2&3 to material 3. -Pla ...
Screen orientation is ignored on Android devices.
UE - Platform - Mobile - Mar 5, 2015If you change the screen orientation for an Android device in the project settings, the orientation will not change once deployed to the device. Tested on a Galaxy Note 3. ...
UUserWidget::SetPositionInViewport does not function as intended
UE - Editor - UI Systems - Oct 15, 2018The Set Position in Viewport node does affect UserWidgets position. It keeps it 4.19.2 (CL - 4033788), 4.20.3 (CL - 4369336), 4.21 (CL - 4465720), 4.22 (CL - 44654877) ...
InstancedStaticMesh instances fail to render on a mobile device
UE - Graphics Features - Nov 13, 2014When a project with an InstancedStaticMesh is used in a level, the static mesh is failing to render on a mobile device Tested on a nexus 5 and an iPad air OS 8.1 ...
Set Actor Enable Collision is not replicated
UE - Networking - Jul 14, 2015Set Actor Enable Collision is not replicated. Reproduced in 4.7.6, 4.8.2, and Main (//depot/UE4/Promotable-CL-2619427) ...
A Function input's type is set as Wildcard by default if a Macro with a Wildcard input is created before the Function
UE - Gameplay - Blueprint - Sep 11, 2015A Function input's type is set as Wildcard by default if a Macro with a Wildcard input is created before the Function. Compiling will fail with an error. Reproduced in 4.8.3 binary, 4.9.0 binary, a ...
Widget With Spinbox Crashes When Destrcutor Is Called With Multithreaded Destruction Enabled
UE - Foundation - Core - UObject - Feb 28, 2020When a widget with a spinbox is calls it's Destructor with "Multithreaded Destruction" enabled the engine crashes. I have tested in 4.23.1, 4.24.3, and 4.26 Main with "Multithreaded Destruction" dis ...
Ribbons Don't Follow Their Source Particles When Scaling
UE - Niagara - Mar 23, 2020When Ribbon Data in a particles system that is following is scaled in an instance the ribbons scale appropriately, but they don't follow updated location of their source particles. See the attached ...
A widget set in the Grid Panel reverts back to it's default size and position when compiled
UE - Editor - UI Systems - UMG - Apr 13, 2022A widget set to a specific row and column within a Grid Panel, that has been assigned multiple rows and columns, and then spanned across other rows and columns reverts to it's default position and s ...