Unreal Engine Issues
Unreal Engine Issues
Auto Reimport crash with some file paths
UE - Editor - Content Pipeline - Import and Export - Dec 14, 2016Auto Reimport source paths can cause a crash with the editor. I couldn't narrow down in my limited testing what would cause the crash vs what would not with these file paths. The one in my attached ...
zero-volume being cutoff and not restarted when non-zero
Licensee reported issue with recent changes to sorting that include volume-weighting. Previously, the sort was just due to priority (which was usually 1.0 and thus the sort was nearly random) and ha ...
Sounds Triggered on Android playback 3 times in quick Succession
UE - Audio - Oct 1, 2015Users are reporting that when playing sounds in projects deployed to their Android Devices, the playback is triggered three times in quick succession. There are known work arounds to this issue, li ...
OnTextChanged not called for UEditableTextBox / UMultiLineEditableTextBox when text is set programmatically
UE - AI Workflows - UI Systems - UMG - Sep 29, 2025When calling SetText() on a UEditableTextBox or UMultiLineEditableTextBox, the OnTextChanged delegate is not triggered. This regression was first reported in UE 5.3 and acknowledged previously in UD ...
Anisotropy not working correctly when used in Material Layers
UE - Rendering - Architecture - Materials - Jan 17, 20241. When a Material Layer is applied and there is no node connected to Anisotropy in the master material(M_Test_1), the material does not function correctly after packaging, although it works properl ...
The light in the Blueprint Editor's Preview Scene does not respond to any lighting channel but 0.
UE - Framework - Blueprint Editor - Jun 28, 2024In the Blueprint Editor, Primitive Components can be configured to respond to Lighting Channels 0, 1, and/or 2. However, if channel 0 is disabled (even with another one enabled), the Preview Actor's ...
Object Scale Not Working with Instanced Static Mesh
UE - Graphics Features - May 19, 2016Using Object Scale in your material with an Instanced Static Mesh does not change the color of the material if you scale the individual instances of the Instanced Static Mesh component. If you scal ...
StreamableManager completion callback can happen after being canceled in same frame
UE - Core - Systems - Feb 16, 2024FStreamableHandle (used as part of the FStreamableManager system) has a CancelHandle function that stops it from calling any completion callbacks related to that handle (it could cancel the load req ...
Correct Morph Targets animate in PIE, but not in Standalone Game
OLD - Anim - Mar 5, 2015Wrong morph targets are animating in standalone game, but the right ones play in PIE See the Additional Info URL for the user's description (and youtube video) Here is the project: [Link Removed] ...
A Child PlayerCharacter BP in this project resets its assigned Anim BP to 'None' on restarting the project
UE - Gameplay - Blueprint - Jul 16, 2015A Child PlayerCharacter BP in this project resets its assigned Anim BP to 'None' on restarting the project. The user reports that the Skeletal Mesh will also occasionally reset to None. I have not b ...