Unreal Engine Issues
Unreal Engine Issues
Duplicating a Function Containing Add Child Actor Component Causes Changes Made to the Duplicate to be Saved to the Original
UE - Gameplay - Blueprint - Nov 9, 2015When you create a function containing an Add Child Actor Component node, duplicate that function, and then change the Child Actor Class option in the duplicate, the changes are also saved to the ori ...
Timeline tracks can be given the same name as existing execution inputs, and renaming them and compiling will cause a crash
UE - Gameplay - Blueprint - Jan 13, 2015Timeline tracks can be given the same name as existing execution inputs, which causes some unusual behavior when dragging off the pin. Renaming them will rename the execution pin instead, and compil ...
Changing Static Mesh for a mesh with overridden materials should NOT reset materials
Tools - Feb 1, 2017Sometime recently, the behavior of changing a static mesh changed. A very common operation is to want to change a mesh, while keeping material override. Here I have a sky mesh, and the material is ...
[CrashReport] UObjectBaseUtility::GetOutermost | FArchiveInvalidateTransientRefs::operator<<
UE - Gameplay - Blueprint - Sep 7, 2017This is a somewhat common crash affecting users in 4.17. They have not provided any descriptions of their actions when the crash occurred. Source Context 110 /** 111 * Walks up ...
Cannot specify custom window positions in "windowed mode" for packaged games
Tools - Nov 30, 2017There is an issue where you cannot specify a specific location for a windowed packaged game when using a command line to open the project, the project will move to that position for a brief moment b ...
Static mesh's material slot's cast shadow does not require a build of StaticLight
UE - Graphics Features - Dec 7, 2017If static mesh's material slot's cast shadow is changed, UE4 does not show "LIGHTING NEEDS TO BE REBUILT". I solved it with the following fixes. StaticMeshEditorTools.cpp void FMeshSectionSettin ...
Nativizing actor does not destroy component with construction script.
UE - Gameplay - Blueprint Compiler - Nov 19, 2018Running destroy component with construction script placed on level blueprint does not destroy component when it is nativized. It works correctly with PIE and Not Nativize. Also, if the actor that wa ...
Final Gather Quality Post Process setting causes severe rendering issues in the Stack-O-Bot project
UE - Graphics Features - Lumen - Feb 24, 2022When opening the Stack-O-Bot project in 5.0 Preview 1, the project has a rendering issue where bright shimmering lights appear all around the screen. I discovered that this is due to the PostProcess ...
Level sequence attachment dirtying bugs - 5.4
UE - Anim - Sequencer - Mar 28, 2024Level Sequences can mark the level they are in as modified without modifying them, as well as get themselves into a state where they modified themselves when saved. ...
Crash when a nested widget is set to "Force Slow Construction Path"
UE - Editor - UI Systems - May 25, 2018Does not occur if the root widget also disables the fast path. As a result, the current workaround is to ensure that the fast construction path is also disabled on the parent widget by making sure ...