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 ...

[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 ...

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 ...

Cinematic viewport transform controls remain after switching back to the default viewport

UE - Anim - Sequencer - Aug 7, 2017

Cinematic viewport transform controls remain after switching back to the default viewport. ...

Slow response on clicking on InstancedStaticMeshComponent with many elements when using IME

Tools - Aug 7, 2017

When clicking on InstancedStaticMeshComponent with many elements, Editor memory usage increases and editor freezes until the operation is finished. The wait and memory usage get much worse when usin ...

Particles emit from corrupted positions when spawning from cloth vertex

UE - Simulation - Physics - Character - Aug 4, 2017

When spawning particles from skeletalMesh vertices(using Skeleteal Vert/Surf Location), if the specified mesh is a cloth, some particles appear away from the mesh itself. This happens in 4.16 and 4. ...

[CrashReport] UE4Editor_PropertyEditor!FDetailCategoryImpl::GenerateNodeWidget()

Tools - Aug 3, 2017

This is a trending crash in the 4.17 previews. Unfortunately users have not provided any descriptions of their actions when the crash occurred. Source Context 557 TSharedRef<ITableRow> FDe ...