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 ...

Cannot "hit" character in PhysicalAnimation Content Example 1.2

Docs - Samples - Oct 8, 2015

Cannot "hit" character in example 1.2 of the PhysicalAnimation map in Content Examples Does not occur in 4.8.3 ...

Failed check() when placing large numbers in to a From Seconds node and print them to the screen

UE - Gameplay - Blueprint - Apr 10, 2017

Crash when placing a number >= 922337181697 in to a From Seconds node and print them to the screen ...

ObjectScale returns a Cascade Mesh particle's XYZ scale as 1.0

UE - Niagara - May 13, 2020

Sampling a Cascade Mesh Particle's scale always returns XYZ as 1.0 This is a regression from UE4/Release-4.24.  This does NOT affect Niagara Mesh particles.  I've attached a Cascade (left example ...

Foliage is removed when erasing with Erase Density set to 1

UE - World Creation - Worldbuilding Tools - Foliage - Aug 19, 2016

I found with a high density of foliage instances, you're able to erase some of them even when Erase Density is set to 1.0 ...