Stereo off while prox sensor uncovered causes low framerate

UE - Platform - XR - Mar 7, 2017

Inputting 'Stereo Off' while the prox sensor is uncovered will disable stereo rendering but introduces large performance decrease. Stat FPS returns constant 10 FPS / 100 ms. Found on: //UE4/Release ...

Deadlock in FXAudio2Device::UpdateAudioClock() whenever a KVM is used to switch to another input

UE - Audio - Mar 7, 2017

I have 3 machines with one set of keyboard, mouse, and monitors. Switching between machines is required during long running tasks such as cooking. ignore-Switch ...

Rotation popping when attaching the negatively scaled hand mesh of a motion controller the child of a box collision component (left hand)

UE - Platform - XR - Mar 7, 2017

The left hand in the VR template appears to pop as it rotates when assigning the mesh for the motion controller a parent that is a box collision component. This does not appear to affect the right h ...

Compile error with Local Variable of a Struct that contains a Set or Map type

UE - Gameplay - Mar 7, 2017

Compile error with Local Variable of a Struct that contains a Set or Map type. Standard and array variables work without issue. Non-local variables also work without issue. ...

Nativeize assets fails with Set/Map variable for character

UE - Gameplay - Blueprint - Mar 7, 2017

Nativeize assets fail with the new variable types introduced in 4.15. This issues also occurred when tested using the third person character template Build fails with: FirstPersonCharacter__pf205 ...

Wrong transform of Destructibles that use Extended Structures

OLD - Anim - Mar 7, 2017

Wrong transform of Destructibles that use Extended Structures. Destructible must be contained within a BP and only occurs during Standalone Game. All other play modes, including packaged, work as ...

SSR Does Not Work On Mobile or Mobile Preview

UE - Platform - Mobile - Mar 7, 2017

In our Docs page SSR is listed as compatible with mobile here: https://docs.unrealengine.com/latest/INT/Platforms/Mobile/PostProcessEffects/ While testing this doesn't seem to be the case so either ...

Crash when launching Animation level of ContentExamples onto Mac

OLD - Anim - Mar 6, 2017

The standalone game window will crash when attempting to launch the Animation level of ContentExamples onto a Mac. I was unable to reproduce this issue in //UE4/Main at CL 3334033. ...

[CrashReport] <unknown module>!UE4Editor_TrueSkyPlugin!FTrueSkyPlugin::RenderFrame()

UE - Graphics Features - Mar 6, 2017

This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Descriptions from users are provided below. Error message: Access violation - code c0000005 ( ...

Odd decimals showing in FPS timeline of Sequencer

UE - Anim - Sequencer - Mar 6, 2017

There are odd decimals when FPS time snapping is set. This seems like a similar issue from UE-41311 This is a regression from This does not occur in //UE4/Main at CL 3334092 ...