Rotating a static mesh makes it slightly smaller

UE - Gameplay - Jan 11, 2017

If a static mesh is rotated 180 degrees, it is made slightly smaller than it usually is. There are some other degrees that can give the same effect without the shrinking, such as 540. Regression?: ...

changing physics type to simulated causes bodies to simulate in phat

UE - Simulation - Physics - Jan 18, 2017

1. open qa game 2. open a physics asset with multiple bodies 3. select a body and set its physics type to Simulated. 4. Notice simulation starts immediately even though we are not simulating. ...

Editor crashes after redoing the addition of a component to a static mesh actor

Tools - May 30, 2017

This is not a regression. This also occurs dating back to 4.15 and 4.14. The editor crashes on this check in FLevelEditorActionCallbacks::Paste_CanExecute() when updating the Edit menu state: chec ...

[CrashReport] MetalRHI crash - void FForwardLightingParameters::Set<FRHICommandList, FRHIPixelShader*>

UE - Graphics Features - Jul 20, 2017

This is a common crash affecting Mac users in 4.16. User DescriptionsI tried to build the lighting and it keeps crashingWhenever I attempt to build the project or change the preview rendering to IO ...

Editor crash when adding to Instanced Static Mesh Component is created/populated at runtime.

Tools - Sep 26, 2017

If NewObject is used to create an instanced static mesh component at runtime, populating the component with AddInstance causes the editor to crash. Regression: Yes - repro steps provided did not cr ...

Crash Occurs When One Morph Target is Deleted and Another is Adjusted Afterward

UE - Graphics Features - Feb 26, 2018

Engine crashes when a morph target on an asset that has multiple morph targets is deleted and then another morph is adjusted afterwards Notes: Asset came from an older Jira where this same issue o ...

Construction Script Does Not Update Parameters Of An Actor Component

UE - Gameplay - Oct 16, 2018

The construction script does not update the parameters of the actor component. Found in 4.19 CL# 4033788, 4.20 CL# 4369336, 4.21 Preview 1 CL# 4435822, 4.22 CL# 4470579 ...

IOS force feedback strength does not increase

UE - Platform - Mobile - Jan 15, 2019

Force feedback does not strengthen when expected on IOS. It stays the same regardless of where the pawn is on either the red or yellow squares. Tested on 9753_iPhone 7+ 12.0.1 and 16021_iPhone XS ...

The ConstructionScript not being called on drag

Tools - May 2, 2019

The construction script for a custom actor blueprint does not execute after drag when the scene component is selected. Tested in 4.21.2 (CL - 5660361), 4.22.1 (CL - 6063286), 4.23 (CL - 6248266) ...

Niagara particles are culled when opaque material blend mode added

UE - Niagara - May 6, 2019

Niagara particles are culled from far distances when materials with the Opaque Blend mode are applied to them. Tested in 4.21.2(CL - 4753647), 4.22.1 (CL - 6063286), 4.23 (CL - 6311794) ...