Hierarchical Instanced Static Mesh Component Doesn't Update Instance Transforms In Standalone Window and In Packaged Game.

UE - World Creation - Worldbuilding Tools - Foliage - Aug 4, 2018

The Hierarchical Instanced Static Mesh Component doesn't update instance transforms in Standalone window and in Packaged game. Working as expected in 4.19 CL# 4033788 Found in 4.21 CL# 4233996 and ...

Nativized widgets that include a custom button cause a crash if Event Driven Loading is enabled

UE - Gameplay - Blueprint - Aug 3, 2018

Nativizing a Blueprint that includes a custom button (a Blueprint parented to the "Button" class) causes a crash when Event Driven Loading is enabled. Disabling Event Driven Loading can workaround t ...

Project Launcher does not include Prereqs. Ignores Include Preqeq setting and the -prereqs argument

UE - Foundation - Cpp Tools - Aug 3, 2018

When using the Project Launcher to package a project, the Include Prerequisites setting is ignored. Attempting to add the -prereqs command to the arguments also does not include these, which is what ...

Set Range Animations imported from 60Hz frametime is halved

Tools - Aug 3, 2018

Reported by a licensee on UDN, this bug is fallout from the fix made for the following Jira:[Link Removed] - Fbx importer: animation range import is broken when importing 60Hz anim The attached ass ...

[CrashReport] UE4Editor_SteamVR!FSteamSplashTicker::Tick() [steamvrsplash.cpp:52]

UE - Platform - XR - Aug 3, 2018

No user comments on crash group ...

CurrentTransaction ensure when duplicating an EQS generator

UE - AI - Aug 3, 2018

When duplicating a Generator inside an Environment Query, the action triggers an ensure and stalls the Editor for a few moments. This issue was reported and tested in 4.19.2 (CL-4033788). It was r ...

Cascade Beam Emitter Lifetime Module Is Broken

UE - Niagara - Aug 3, 2018

Cascade beam emitter lifetime module is broken.  Working as expected in 4.19 CL# 4033788 Found in 4.20 CL# 4233996, 4.20 CL# 4247867 This is a regression. ...

"Expose on Spawn" variables in Actor Components are overridden by the details value.

UE - Gameplay - Aug 2, 2018

"Expose on Spawn" variables in Actor Components are overridden by the value set in their Details Panel when called in another Blueprint. This issue was reported and tested in 4.20.1 (CL-4233996). ...

Niagara Sprite Particles Incorrect Facing with Orthographic Camera When "Velocity aligned" is Set

UE - Niagara - Aug 2, 2018

Niagara sprite particles incorrectly face with Orthographic camera when "Velocity aligned" is set for its camera alignment. [Link Removed] seems to be the same issue but with Cascade. Found in 4.1 ...

Niagara Fails to Compile Shader For iOS and Android

UE - Niagara - Aug 2, 2018

Niagara fails to compile shader for iOS and Android. Unable to test in 4.19 due to assets provided being created in 4.20. Found in 4.20 CL# 4233996 and 4.21 CL# 4247867 ...