Collection named 'NUL' is not recognized / saved.

UE - Editor - Content Pipeline - Content Browser - Aug 14, 2017

When a collection is named NUL, it will appear in the editor but does not get saved when the editor shuts down. When the project is restarted, the NUL collection is removed. ...

Editor freezes when creating a Collection named 'AUX'

UE - Editor - Content Pipeline - Content Browser - Aug 14, 2017

When a collection is created, naming the colleciton AUX causes the editor to lock up, requiring a force close from the task manager. Note: Naming the collection something else and then renaming it ...

Instanced Static Mesh components update incorrectly in Standalone and Packaged game

UE - Gameplay - Aug 11, 2017

Instanced Static Mesh components update incorrectly in Standalone and Packaged game. When hit, all of the instanced static mesh components will snap to a singular location instead of each individual ...

Spring Arm rotation only prints Yaw after 4.17 conversion

UE - Gameplay - Aug 11, 2017

Spring Arm rotation only prints Yaw after 4.17 conversion. In 4.16 it would print the Yaw, Pitch, and Rotation as expected. The spring arm by itself prints the rotation correctly but once a camera ...

[CrashReport] Linux Crash in FActiveSound::GetWorld()

UE - Platform - Linux - Aug 11, 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: SIGSEGV: invalid attempt to write ...

Play area bounds are offset so that the player's spawn position is at the center of the player start

UE - Platform - XR - Aug 10, 2017

The play area is offset in game from the player start. In previous version the play area would be centered on the player start area. Now the player spawn exactly on the player start and the bounds a ...

Blueprint Editor: BP functions display dropdown instead of checkboxes for uint8 enum parameters

UE - Gameplay - Blueprint Editor - Aug 8, 2017

I traced through the callstack and it looks like the problem is as follows:in order for the BP function to compile, its enum parameter must be uint8, because that is the only type supported by BP fu ...

LOD Build Scale set higher than 1 will cause a merged actor to increase to that scale when created

OLD - Anim - Aug 8, 2017

LOD Build Scale set higher than 1 will cause a merged actor to increase to that scale when created. It seems to be using the LOD Build Scale to double in size on actor merge. This is a regression: ...

Physics Substepping doesn't have the same effect from 4.15 to 4.16

OLD - Anim - Aug 8, 2017

Physics Substepping doesn't have the same effect from 4.15 to 4.16. In 4.16+ the ponytail in the provided project will have a jitter effect even with substepping enabled. This is a regression: Work ...

Spot lights do not cast shadows correctly in forward rendering when dynamic

UE - Graphics Features - Aug 8, 2017

Doesn't occur for point lights only spot lights ...