The slider handle in UMG is clipping at 0 and 1

UE - Editor - UI Systems - Jan 20, 2016

If the user sets the value on the slider to 0 or 1 the handle will clip as it appears to go too far to either side. ...

User defined struct pins shows display a string of letters & numbers when switching Editor language

UE - Gameplay - Blueprint - Jan 18, 2017

Editor language switch can turn struct get/set nodes pins(split) to display extra string of letters & numbers after their original name. ...

Performance problems (freeze) in SCS tree view with a significantly large number of components

UE - Gameplay - Components - Mar 9, 2018

User reports an unreasonably long editor freeze when a significantly large number of components need to be processed in the SCS editor tree view (tens of thousands) when selecting an instance of a B ...

Nanite and mobile landscape don't have support for dynamic materials

UE - Graphics Tools - Terrain - Landscape - Oct 26, 2023

On a landscape actor with Nanite landscape enabled, set the bUseDynamicMaterialInstance property on a landscape proxy and setup a BP to call  SetLandscapeMaterialTextureParameterValue / SetLandscape ...

NvEnc API creation failed in 4.24.1 with M60 card on AWS EC2 instances.

PixelStreaming - Dec 24, 2019

i had an AWS EC2 g3.4xlarge instance(Nvidia M60 card).  I could run 4.22 packed PS application correctly. When switching to 4.24.1, I got the following error when trying to start the application wit ...

Variables replaced with -1 after jumbling in details pane when one actor is selected and another blueprint compiled

UE - Gameplay - Blueprint - Aug 31, 2016

Variables replaced with -1 after jumbling in details pane when one actor is selected and another blueprint compiled. De-selecting Actor_1 sets variables back to correct value when selected again. ...

Play rate value under 1.0 seems ignored when with Render movie to video feature

UE - Anim - Sequencer - Nov 7, 2019

Is this a regression? Yes, this is not reproduced in 4.22 version When rendered movie have Play rate track, it should show same result for PIE and rendered movie. But play rate below 1.0 seems not ...

MFI Gamepad support on Mac

UE - Platform - Apple - Jan 27, 2020

We are supporting a few controller on Mac (they can be seen in HIDInputInterface.cpp) but since Catalina it is possible to use the same GameController API as in iOS. This is an important feature fo ...

DLC update from 1.0 deletes staging folder which unable to make incremental(patch) chunks

UE - Platform - Mobile - Feb 14, 2017

DLC update from 1.0 deletes staging folder which unable to make incremental(patch) chunks. ...

Using TInlineAllocator with a large number in TArray that is in an AActor class will cause child Blueprint class to call an assert while parent class will not

UE - Foundation - Core - Jul 22, 2016

If a TArray has a TInlineAllocator with a large number and the class is used with a child Blueprint, the editor will throw an assert. If the base C++ Class is used instead of the Blueprint, the asse ...