Crash upon attempting to load into session via Join Session in Blueprints on iOS

UE - Networking - Aug 8, 2018

Joining a session on iOS using the Join Session node in Blueprints causes a crash on iOS. This is similar to [Link Removed] but was requested to be entered separately. This has not been reproduced ...

MeshEditor Crashes When Tool is Selected

Tools - Aug 8, 2018

MeshEditor Crashes When Tool is Selected. Found in 4.20 CL# 4233996 and 4.21 CL# 4258917 ...

Child Actors do not replicate to clients when running project with "-game" command

UE - Networking - Aug 7, 2018

Child Actors do not replicated properly to clients when running a project using the "-game" commandline argument. This does functionality does work properly in PIE and in a cooked build however. Re ...

Actor Component Replication Not Working on Dynamically Spawned Components in Blueprint

UE - Networking - Aug 7, 2018

Actor components that are spawned dynamically through Blueprint are not being properly replicated to the client.  Found in 4.20 CL# 4233996 and reproduced in 4.21 Main CL# 4258917 Unable to test i ...

Create Blocking Volume from multiple selected Staticmesh actors in viewport generates messed volumes

UE - LD & Modeling - Modeling Tools - Mesh Editing - Aug 7, 2018

The result unexpected: The collision volume shape generated was just strange and much bigger than it should be Expects: The collision volume generated should wrap up group of actors and right fit t ...

[CrashReport] UE4Editor-UMGEditor.dylib!FEditorStyle::GetStyleSetName()

Tools - Aug 6, 2018

No user comments in crash group Removed topcrash label as it appears to be one user ...

HISM(Hierarchical instance static mesh) has lightmap problem after building lighting

UE - Graphics Features - Aug 5, 2018

HISM has lightmap issues after build lighting ...

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 ...