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

UE - Anim - Sequencer - 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 ...

Display Texture Atlases in Widget Reflector displaying incorrect tooltips

UE - Editor - UI Systems - Slate - Aug 3, 2023

Tooltips within Page 1 of the Texture Atlas Visualizer in Widget Reflector are displaying the incorrect asset. This issue is occurring in Binary //UE5/Release-5.3 at CL 26560699 This issue is occur ...

Blend Stack node doesn't have a valid FDeltaTimeRecord

UE - Anim - Runtime - 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] shelved at 32747789.  Since there isn't a tick record directly associate ...

Ray Tracing Translucency in a Post Process Volume breaks in Lit viewmode

UE - Graphics Features - Ray Tracing - Apr 15, 2024

Encountered a strange issue where switching to RT Translucency on a PPV would cause it to appear incorrect. However, if you swap the viewmode to Path Tracing, it does appear correct. See screenshots ...

Map Get Node Pins In Niagara Module Scripts Can't Search For Standard Data Types

UE - Niagara - Mar 16, 2020

This wasn't like this in 4.24 (see attached images). If you create a variable Engine.Owner.Position the search will find it however. Found in 4.25 Preview 2. Reproduced in 4.26 Main. ...

In Standalone mode, when reading world partition actor descriptors for BP actors, "bIsSpatiallyLoaded" receives its value from the native base class instead of the BP class, so BP actors are loaded/unloaded based on the wrong condition.

UE - World Creation - Worldbuilding Tools - World Partition - Oct 15, 2024

Consider an actor defined in C++ with "bIsSpatiallyLoaded" set to true (the default), and a derived blueprint that overrides "bIsSpatiallyLoaded" to false. Now consider an actor instance of that blu ...

Cannot move instances of a hierarchical static mesh component in the blueprint editor viewport

UE - Gameplay - Components - Apr 12, 2016

Can move individual mesh instances of a regular instanced mesh component in the blueprint editor, but not hierarchical ones. Originally reported as a pull request in [Link Removed], but we rejected ...

Crash occurs on Mac when using the Command-S keyboard shortcut to save a Blueprint if the Mac input language is set to Japanese Romaji

UE - Platform - Apple - Aug 10, 2017

The Editor will crash when using the keyboard Command-S shortcut to save a Blueprint after adding a node if the Mac is set to use Japanese Romaji input. The crash actually seems to occur as soon as ...

Editor crash when calling SGridPanel::SetRowFill

Tools - Aug 22, 2017

Calling SGridPanel::SetRowFill on an actor's BeginPlay causes the editor to crash with the callstack provided The reporter mentioned SetRowFill uses if() statement where SetColumnFill uses while() ...

MS_VertexAnimationTools_MorphTargets are not deforming and reforming

UE - Graphics Features - Sep 20, 2017

The Material should be contracting and expanding if it is working correctly, but after version 4.16 it is not. Instead it is solid in appearance in the material editor viewport. Below I have linked ...