Crash when editing FRuntimeFloatCurve's curve from sequencer's edit key window

zComponent - Archive - Mar 31, 2023

Crash when editing a FRuntimeFloatCurve curve exposed through EventTrack or a self-made Struct from the sequencer key edit window. FRuntimeFloatCurve does not support Expose to Cinematic, so this m ...

[AI] Stack overflow in canRemoveVertex of DetourTileCacheBuilder

UE - Runtime - Character - 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 ...

Blend Stack node doesn't have a valid FDeltaTimeRecord

UE - Runtime - Animation - Apr 19, 2024

The blend stack node doesn't generate any values for its DeltaTimeRecord.  This can be tested with the fix for [Link Removed] ...

Cut & Paste in Sequencer breaks with Attach track

zComponent - Archive - 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 ...

MID TextureCollections don't work with Post Process Overlays

UE - Rendering - RHI - Aug 24, 2026

TextureCollectionParameters in a material assigned to a Post Process Overlay are not overridden by a MID because CopyInterpParameters in Engine\Source\Runtime\Engine\Private\Materials\MaterialInsta ...

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 ...

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 ...

Other Filter Causing Assets to Populate in Content Folder

Tools - Oct 24, 2016

The Other filter seems to be breaking the content browser when enabling and disabling the selected filter. It seems to be happening to almost every filter in the other category, but not with other f ...

Physics are popping in Vehicle Advanced Template

UE - Simulation - Physics - Nov 16, 2016

I first noticed this when I was going on a ramp at a high speed and was catapulted over the level. It seems that the faster you go, the bigger the pop is with physics. It is not easy to hit, but it ...