Crash occurs in PIE when an Actor calls a method in a UObject that attempts to modify an FString member of the UObject

UE - Foundation - Core - Jan 31, 2019

The Editor will crash in PIE when an Actor calls a method in a UObject that modifies some FString members in the UObject. In the Attached project, the UObject class contains two FString members and ...

Packaged game crashes when enabling Pre-load Screen Movie Player

UE - Automation Test - Jan 31, 2019

Packaged game crashes when enabling Pre-load Screen Movie Player ...

Attachment of Instanced component does not work

UE - Gameplay - Jan 31, 2019

Component hierarchy information is lost when modifying an Instance of a Blueprint that Inherits from a C++ Pawn. Specifically, when this instance's hierarchy is modified via the World Outliner Edit ...

Actors in hidden layers visible on map load

Tools - Jan 30, 2019

Actors added to a layer which is marked hidden/invisible will unhide when loading a map. Confirmed in Main @ CL 4845042 ...

Bulk Edit via Property Matrix gets disconnects from blueprints after BP compile

Tools - Jan 30, 2019

"If you ever compile a Blueprint that you have opened in the Property Matrix, it will lose its connection and variables you change in the blueprint won't be reflected in the Matrix and vice versa le ...

Spot Lights Do Not Cast Dynamic Shadows If "Support PointLight WholeSceneShadows" is disabled

UE - Graphics Features - Jan 30, 2019

If you disable "Support PointLight WholeSceneShadows" spotlights stop casting shadows. This is working as expected in 4.20 CL# 4369336. Found in 4.21 CL# 4753647 and 4.22 CL# 4809892 This is a reg ...

Replace BSP with Static Mesh Crash

Tools - Jan 30, 2019

Attempting to replace a BSP with a static mesh does not work as expected and results in a crash if a 2nd BSP gets placed in the level. ...

When welding collision between Third Person UE4 Mannequin's left foot ball, to left foot in physics tab results in an Engine crash.

UE - Simulation - Physics - Jan 30, 2019

When using a Third Person UE4 Mannequin, Opening the Physics asset tab, and welding the collision between left foot ball, to left foot results in an Engine crash. Additional Note: Using the same ...

Deleting animation key values of ParagonKhaimera's 1D BlendSpace while the animation is previewing in Animation Editor will result in Engine crash

OLD - Anim - Jan 30, 2019

Deleting ParagonKhaimera BlendSpace 1D key values while the animation is previewing in Animation Editor will result in Engine crash. ...

Find and replace reference feature(experimental) crashes after indexing dialog

UE - Gameplay - Blueprint Editor - Jan 30, 2019

FindInBlueprints->CacheAllBlueprints(FSimpleDelegate::CreateSP(this, &SReplaceNodeReferences::OnSubmitSearchQuery, true), EFiBVersion::FIB_VER_VARIABLE_REFERENCE);  This leads to crash. Users can b ...