Renaming a level containing Text3DComponent can cause crash

UE - Virtual Production - Jan 6, 2023

BuildTextMesh function queued as AsyncTasks may be called during saving (renaming) a level containing Text3DComponents.  The following workaround fix the problem. void UText3DComponent::BuildTextMe ...

[AI] Stack overflow in canRemoveVertex of DetourTileCacheBuilder

UE - AI - Navigation - Sep 28, 2023

User reports of stack overflow happening in canRemoveVertex in DetourTileCacheBuilder.cpp if a poly has more than 16 vertices. The array for edges is a fixed array and is written to without checking ...

Gameplay Debugger does not currently support basic input chords

UE - Gameplay - Input - May 21, 2024

A note from the user, seems like they have a fix for this already I've changed the type of UGameplayDebuggerConfig::ActivationKey to FInputChord and with ony small changes to surrounding code it ...

Cut & Paste in Sequencer breaks with Attach track

UE - Anim - Sequencer - Jan 15, 2025

Cutting two tracks in sequencer, which one is attached to another one, and pasting it break with Attach track. By this operation, Attack track loses its binding object. Copying such tracks and paste ...

NavMesh does not update properly when "Can Ever Affect Navigation" is toggled (For Static Meshes)

UE - AI - Sep 15, 2015

This issue is related to [Link Removed] (which was fixed). However if the user creates a new actor and then adds a static mesh they can end up with permanent holes in their nav mesh. If the user tog ...

Timeline functions do not work inside of Blueprint functions

UE - Gameplay - Blueprint - Dec 20, 2014

I could not repro their issue in main. They supposedly recently upgraded to 4.5. I was wondering if you could divide an conquer, and figure out when we fixed this. **EDIT** Was able to repro in mai ...

Event does not fire at end of playback range

UE - Anim - Sequencer - Aug 29, 2016

Event does not fire at end of playback range. This does work with Forced Fixed Frame Interval Playback so wonder if this is invalid? I have some test content set up in //UE4/Main QAGame QA-Promoti ...

Widgets can no longer take focus after clicking somewhere other than the widget itself

UE - Editor - UI Systems - Jan 25, 2017

Widgets can no longer take focus after clicking somewhere other than the widget itself. The input mode appears to change, but does not change back when clicking widgets Notes: -This issue did not a ...

Editor Crashes When Cloth Asset Is Applied To Material With Support Compute Skincache Enabled

UE - Simulation - Physics - Character - Feb 24, 2017

After enabling Support Compute Skincache if you attempt to apply a cloth asset to a material in the skeletal mesh editor the engine will crash. This may seem similar to [Link Removed] but I confir ...

Warning: repairing painted vertex colors due to static mesh re-imports! in ContentExamples

Docs - Samples - May 4, 2017

Not a regressionInfo Repaired painted vertex colors in 0.0s for 2 components in /Game/Maps/Leveldesign_Workflow. Resave map to fix. Warning Spent 0.0s repairing painted vertex colors due to stati ...