Editor hangs at opening Widget blueprint editor when editor preferences window is up.

UE - Editor - UI Systems - Jun 14, 2017

Editor is not responding when opening WB with Editor preferences window is up. ...

Crash removing a split parameter pin that is linked

UE - Gameplay - Blueprint Editor - Jun 13, 2017

Crash occurs if the user splits an Output Parameter on a function, then links one of the pins, and then removes the parameter entirely. I could not reproduce this in Main. ...

[CrashReport] Assertion failed: Canary == ShaderMagic_Initialized

UE - Graphics Features - Jun 13, 2017

This is a common crash among the community since at least the 4.14 release. Additional information is not currently available. This is spread among numerous different CrashGroups between releases w ...

Ensure when adding more than one camera to world in VR mode

UE - Editor - Workflow Systems - Jun 13, 2017

Ensure condition failed: Lhs.CurrentNum == Lhs.InitialNum [Link Removed] [Line: 197] Array has changed during ranged-for iteration! Ensure occurs after dragging in multiple cameras into the world i ...

Map load stalls in texture streaming code

UE - Graphics Features - Jun 13, 2017

A change was made to AActor.GetComponents which appends the results instead of resetting the output array. This seems to only impact 2 places in the code, and has a big side effect in the texture st ...

If Pause Event is played in second half of Fixed Frame Interval, you can't resume playing

UE - Anim - Sequencer - Jun 13, 2017

If Pause Event is played in second half of Fixed Frame Interval, you can't resume playing. Pause event appears to fire again when trying to resume playback. To expand on the summary, if you have a ...

With Pause Event on frame 0, sequence will never be able to resume playing

UE - Anim - Sequencer - Jun 13, 2017

With Pause Event on frame 0, sequence will never be able to resume playing. It appears to trigger the event again. ...

Crash occurs when entering r.GbufferFormat 3 and running the Pixel Inspector Tool

UE - Graphics Features - Jun 13, 2017

A crash occurs when attempting to run the Pixel Inspector tool after entering 'r.GbufferFormat 3' What this does is defines the memory layout used for the GBuffer. (affects performance, mostly thro ...

Editing ChildActorComponents on a Parent BP can corrupt a Child BP's state.

UE - Gameplay - Components - Jun 13, 2017

Editing the Child Actor Class of a Child Actor Component owned by a Parent BP can corrupt the Child BP's state. This seems related to known serialization issues, where changing a Parent's Property ...

bLiveTexture is ignored in StereoLayerComponent of SteamVR

UE - Platform - XR - Jun 13, 2017

Workaround is to remove the call to GetStereoLayersDirty in FSteamVRHMD::UpdateLayerTextures() ...