Unreal Engine Issues
Unreal Engine Issues
The Left Mouse Button Pressed event is not firing when Input Mode Game Only is set and Show Mouse Cursor is true
UE - Editor - UI Systems - Slate - Sep 20, 2019The Left Mouse Button Pressed event is not firing when Input Mode Game Only is set and Show Mouse Cursor is true. Attached is an example project (4.23) that demonstrates the issue. Found in 4.23.0 ...
Double Properties break reset to default and inherited value propagation
UE - Gameplay - LWC - Apr 13, 2022This is an issue with how FPropertyValueImpl::ResetToDefault works: it uses GetDefaultValueAsString to reset the default value. This is problematic because the LexToString function that is eventuall ...
Blueprint enum-to-string node returning inconsistent results across platforms
UE - Gameplay - Mar 5, 2020Converting a C++ enum to a string should be a consistent result, however when running in the editor it returns the display-name value instead of the index value. This prevents C++ UENUMs from being ...
Unable to dynamically load an animation blueprint in a packaged game
UE - Gameplay - Jul 27, 2015Dynamically loaded animation blueprints do not work within packaged product. Download the pre-made project from here: [Link Removed] ...
Play Media Player Node Causes Blueprint Functions to be Uncallable
UE - Gameplay - Blueprint - Feb 23, 2016This only occurs in standalone or a packaged game Having a Play Media Player node in a blueprint causes all of that blueprint's functions to become uncallable. Found in 4.11 Preview 5. Reproduced ...
A disabled Niagara component is respawned unexpectedly by scalability system in some edge cases
UE - Niagara - Scalability - Oct 17, 2023Even after manually Deactivating a Niagara component, this Niagara component may be revived under certain conditions. This issue occurs when the following conditions are met before the Deactivated N ...
Visual Logger Timeline is not updated when Viewport is in fullscreen
UE - AI - Debugging - Jan 14, 2025Context The Visual Logger is a powerful debugging tool to create and record visual representations, and allows people to review the data. Problem The problem is that it does not record things don ...
No visual updates when adjusting the curve editor in UMG for the first two points on the timeline
UE - Editor - UI Systems - Jul 6, 2015When Switching the curve editor to cubic interpolations for example moving the blue handles will not change the curve. However, if a third point is add this function works as intended from the 2 poi ...
Blueprint with instance static mesh from construction script will cause crash when using the build then build geometry
Tools - Mar 12, 2015When using a BP with component instance static mesh that is added via the construction script, when using the build button in the toolbar to build lighitng and geometry everything will work correctl ...
Crash Occurs When Using Move Component To and Overlap Event
UE - Gameplay - Jan 29, 2016When using move component to to move a component, and then calling Destroy Actor when the actor overlaps another actor, a crash occurs. In this case, the user was attempting to move their static m ...