iOS movie (mp4) has no sound in the playback.

UE - Platform - Mobile - May 16, 2017

There is no sound in the movie play in iOS, built with 4.16 GitHub source code version. you can simply reproduce using attached sample project. This is reproduced in iPhone 5s(10.3.1) iPhone 6(iOS ...

AddDynamic() causing crash upon opening project

UE - Gameplay - Sep 4, 2015

Using the AddDynamic macro causes a crash upon opening the project. ...

Error on Attempting to Save Map Containing Actor Sequence Component

UE - Anim - Sequencer - Sep 28, 2017

colored text+Link to screencast of repro steps: + [Link Removed] -May take some clicking around even between windows -Will not save after this -Does not affect 4.16 ...

Set Resolution Scale Value to 100 returns inf (infinite) value

UE - Graphics Features - Dec 5, 2016

Set Resolution Scale Value to 100 returns inf (infinate) value. The resolution returns an incredibly high number (ex: 9,223,372,036,854,775,808) or "inf" ...

Negate Blueprint Macro Returning Original Value

UE - Gameplay - Blueprint - Sep 21, 2016

The Negate blueprint macros (NegateInt, NegateFloat) are returning the original value. Found in 4.12.5 CL 3039270. Reproduced in 4.13 CL 3106830 and 4.11.2 CL 2946394. ...

Calling RequestStimuliListenerUpdate on actor with one element in AIPerception Sensing Config causes crash

UE - AI - Sep 18, 2015

If an AIPerception component is added to an actor and given one element set to either AI Hearing / AI Sight / AI Touch config then the game will crash once Request Stimuli Listener Update is called ...

Sequencer capture movie rendering is issue.

UE - Anim - Sequencer - Jul 13, 2017

This problem always occured in 4.16.0, 4.16.2. It does not occur 4.15.3. ・Reproduction Project Linkhttps://udn.unrealengine.com/storage/attachments/299111-captureerror-416.zip ...

Float RGBA Framebuffer rendering settings changes UI

UE - Editor - UI Systems - Slate - Nov 11, 2019

When changing the rendering Frame Buffer Pixel setting from "10 bit RGB 2 bit alpha" to "Float RGBA".  The Editor's UI will change.  (Please see the attached screenshots for comparison) ...

Crash when trying to find references to blueprint Structure node

UE - Gameplay - Blueprint - Oct 12, 2015

Right clicking on a struct node inside a blueprint and selecting the "Find References" option will cause the editor to crash Crash Reporter: [Link Removed] ...

D3D Device Lost 'HUNG' crash in FD3D11Viewport::PresentChecked

UE - Graphics Features - Oct 31, 2016

This is a new D3D crash affecting multiple users in 4.14 Preview 1. It is currently the #1 crash in the Preview. Information provided by users:Just pressed create project...Openning QA Game with - ...