Unreal Engine Issues
Unreal Engine Issues
Nested level visibility track bug
UE - Anim - Sequencer - May 31, 2024The Level Visibility tracks part of a Subsequence are turned off every time you save the Leve Sequence. It does not happen if Level Visibility tracks are added in the main Sequence. ...
RVT Tiles Update Slowly When Enabling Nanite Tessellation On Landscapes
UE - Graphics Features - Nanite - Jun 11, 2024Adding/Removing a Material Layer on a Parent Material doesn't propagate to Children correctly
UE - Rendering - Architecture - Materials - Jun 9, 2026When a Material Layer is added to or removed from a Parent Material the layer changes don’t automatically propagate to Child Materials correctly even if the Parent Material is saved. The Child mate ...
Renaming variables in parent blueprint resets values for child blueprints
UE - Gameplay - Blueprint - Oct 23, 2015Renaming a variable in a parent blueprint will reset the value of that variable for any child blueprint based on the parent within the level viewport. ...
Timeline Scaling to 0,0,0 scales past 0 to negative values
UE - Gameplay - Jul 27, 2015Scaling objects via a timeline scales past the intended value when attempting to scale to 0,0,0. Instead of ending at 0,0,0 the scale will be set to an extremely small negative value such as -.0019, ...
Crash when Applying Hole Material to Imported Tiled Landscape with World Composition
UE - LD & Modeling - Terrain - Landscape - Jun 11, 2015A crash occurs when importing a tiled landscape, via the 'Levels' window with World Composition enabled, and applying a material to the 'Hole Material' slot. You can also re-apply a default material ...
Lighting Build fails with World Settings Error
UE - Graphics Features - Jan 16, 2015Lighting Builds seemingly successfully but produces a Map Check Error for World Settings. There are several things that can be done to "eliminate the issue" and I have separated them into different ...
Crash when removing native root component from code after creating a Blueprint class based on the native class.
UE - Gameplay - Blueprint - Jul 27, 2015Crash occurs when removing the native root component from code and then attempting to reopen a Blueprint Class asset that was based on the native parent class. Seems like maybe the 'AttachParent' f ...
Hot Reload not updating variables that have their values set in the constructor
UE - Foundation - Cpp Tools - Hot Reload - Feb 1, 2016If a variable's value is being set in the construction script of a class and then that value is edited (the line itself is edited, not another setting of the variable), hot reload will not update th ...
Blendspace Animation Lag for Morph Targets
OLD - Anim - Sep 11, 2015Blendspace animations of morph targets play at a slightly but noticably different rate between the 4.8 and 4.9 version of the UE4. ...