Blueprint child asset is set moved to offset position when set to simulate physics

UE - Gameplay - Mar 3, 2015

When setting up a BP via the scene with the new method of adding components and converting to a BP the child component that is set to simulate physics enabled will be offset from its original positi ...

Crash when using "Convert to Variable Curve"

OLD - Anim - Jun 7, 2016

Error message: Access violation - code c0000005 (first/second chance not available) Source Context: 7 8 DECLARE_CYCLE_STAT(TEXT("AnimSeq EvalCurveData"), STAT_AnimSeq_EvalCurv ...

Move Directly Toward Not Working Without NavMesh

UE - AI - May 18, 2016

The Move Directly Toward task does not seem to be working without a Nav Mesh in the level. Based on the tooltip "moves directly to the target without regard to any navigation system", it is expected ...

Attempting to Open a Widget Blueprint With Animation and Timeline Panels Hidden Causes the Editor to Crash

UE - Editor - UI Systems - Nov 11, 2015

When you attempt to open a widget blueprint when you have hidden the animation and timeline panels, the editor will crash. There is a workaround: Window->Reset Layout will allow you to open the blu ...

Using Fixed Frame Rate Increases the Speed of Auto Save

UE - Foundation - Core - Oct 26, 2015

Using a lower fixed frame rate (i.e. 20fps) causes the auto save timer (when set to the default of 10) to count down in 3 seconds. Found in 4.10 Preview 2 CL 2733139. Reproduced in 4.9.2 binary an ...

Automatic Animation Compression Results in Crash

OLD - Anim - Dec 1, 2015

Using the "Automatic" option to compress animation results in crash 100% in UE4.10 but does not occur in UE4.9.2. *Regression ...

SplineMeshComponent's collision will start to distort the longer the Spline becomes

UE - Gameplay - Nov 30, 2016

SplineMeshComponent's collision will start to distort the longer the Spline becomes This is a regession. It was working in 4.13.2-3172292 User Description: When drawing out a long spline mesh ( r ...

Packaging for tvOS in Distribution fails to find valid provision

UE - Platform - Mobile - Dec 8, 2016

I was unable to test this due to not having provisions available to test on for tvOS distribution. However, we have reports of the following error: "PackagingResults:Error: Error Provision not foun ...

Destructibles cannot reassign mesh in Level details panel if a Blueprint

UE - Simulation - Physics - Destruction - Dec 9, 2016

Blueprints with a Destructible Mesh component cannot have the mesh changed via the level details panel. It will not accept any new mesh via selection or dragged onto the slot. The Blueprint itself e ...

Cloth environment collisions with APEX clothing is not thread safe.

UE - Simulation - Physics - Character - Jan 17, 2017

This looks like a thread safety bug that's been in the clothing system for a very long time. Essentially a skeletal mesh component does a transform update and attempts to update the collisions of a ...