Unreal Engine Issues

A repainted cloth mesh continues to use previous paint job and does not update

Cloth mesh reverts back to original painted mesh after editing Tested:     4.23.1 CL#9631420 4.25 CL#10730208 ...

New 'UncookedOnly' modules can incorrectly be included as a build dependency after nativization of a Blueprint asset

The new 'UncookedOnly' module type that was added in 4.24 is not visible to Blueprint nativization, and thus it does not know to exclude these module types from the generated Build.cs file when they ...

Replay scrubbing causing issues with placed actors with negative scales

A replicated actor placed in a map with a negative scale value becomes inverted when scrubbing a replay. ...

Editor stalls on Mac after key up, mouse up

UDN user reported a performance hit on Mac with the latest Hotfix release when the user is interacting with the editor either through keyboard or mouse input. This performance hit is noticeable whe ...

Duplicating a Possessable Track in Sequencer should duplicate the bound actor and bind the duplicate track to it

Duplicating a possessable object binding in Sequencer causes a new sub track added to the existing possessable with a missing binding. It's unclear what the behavior should be here, as duplicating a ...

Datasmith exporters causing problems for Github users building from source code

d:\unreal\unrealengine-4.24\engine\source\programs\enterprise\datasmith\datasmithsketchupexporter\private\DatasmithSketchUpCamera.h(7): fatal error C1083: Cannot open include file: 'SketchUpAPI/geom ...

DX12 crash when fullscreen app looses focus.

Creating a new C++ Synth Component results in a failed compile linker error.

Upon creating a new Synth Component C++ Class in Unreal 4.24, the compiler will fail to compile with a Linker error. ...

Initial overlaps aren't populated by BeginPlay

Get overlapping components/actors is not fully populated with initial overlaps by BeginPlay in 4.24, like they were in 4.23 ...

Sequencer evaluation can skip events due to gaps in frame number ranges

Sequencer rounds when converting time ranges to frame number ranges, which can cause one frame gaps. If an event falls on that gap, it will not be triggered.  ...