Unreal Engine Issues
Unreal Engine Issues
No collision is generated on PaperTileMapComponents that are generated at runtime
UE - Gameplay - Paper2D - Jun 3, 2016When a PaperTileMapComponent is generated at runtime, the collision that it should have is not generated along with it. This can (oddly) be remedied by selecting the component itself in the details ...
PhysX errors when packaging for x86
UE - Platform - Mobile - Oct 27, 2016Packaging for x86 in ETC1 will generate PhysX errors and cause the package to fail. The following error will occur multiple times throughout the package:UATHelper: Packaging (Android (ETC1)): Unrea ...
Opening / Compiling class with ChildActorComponent causes the ChildActor package to be marked dirty.
UE - Gameplay - Components - Mar 24, 2017Looks like this is a problem where the Actor is Duplicated due to constructions scripts running. Later, when the duplicate is destroyed all of its components will call RemoveOwnedComponent as they'r ...
3D Widget Components with depth test disabled are still culled when fully occluded
UE - Graphics Features - Sep 12, 2016Currently, we allow occlusion culling on WidgetComponents regardless of whether or not depth test is enabled. This makes it challenging to make a widget render through other actors in the world, sin ...
Switching to SM4 with LPVs active crashes Editor
UE - Graphics Features - Jun 18, 2015Switching to SM4 when you have LPVs active in a project will crash a project. Also reproduced in Main Promotable-CL-2589716 and 4.8.0 Launcher [Link Removed] ...
Instanced Static Mesh does not apply World Aligned Material correctly
UE - Graphics Features - Aug 22, 2016If you apply a material that uses World Aligned Blend to an instanced static mesh, it will display differently than an non-instanced static mesh with identical settings. They only look identical if ...
Message Log not updating Categories in Real-Time
Tools - Dec 9, 2015When importing an FBX with a known FBX import issue and the Message Log already open, the FBX Import error will appear but the FBX Import Category which is not present upon opening the Message Log w ...
Image widget not showing up when a material is applied and a text block is placed over it
UE - Editor - UI Systems - Nov 19, 2014If an image is added to a UMG widget with a material applied to it. It will no longer show up in the viewport if a text block is added to the same widget (above the material via the Zorder). ...
Using /*/ to create multiline comments in header files can prevent Visual Studio from successfully building a project.
UE - Foundation - Core - Aug 7, 2015If a multi-line comment is made in a header file using the format /*/ at the beginning and ending of the comment, UHT will fail to compile the project and will display the following errors: 1> C:/ ...
FLowLevelMemTracker::GetTagAmountForTracker with CustomProjectTag returns 0 always
UE - Foundation - Core - May 7, 2020FLowLevelMemTracker::GetTagAmountForTracker with CustomProjectTag returns 0 always. Because of FLLMTracker::FLLMThreadState::GetFrameStatTotals don't amount to about CustomTags. Following code will ...