FPropertyEditorInlineClassFilter confusing (and wrong) IsA semantics

Tools - Mar 20, 2017

FPropertyEditorInlineClassFilter IsUnloadedClassAllowed and IsClassAllowed use the confusing IsA semantics. In the IsUnloadedClassAllowed, the usage seems wrong completely. It seems like the real i ...

Inconsistent Spectator Camera Behavior When Run Dedicated Server is Enabled

UE - Networking - Apr 12, 2017

Spectator cameras don't seem to be set to the correct transform when the ChangeState/ClientGoToState functions are called when using a dedicated server. After testing on a listen server, it appear ...

Generated HLOD Actor not Registered when using the Size Map Tool

UE - World Creation - Worldbuilding Tools - HLOD - May 3, 2017

When using the Size Map to view the memory consumption of a generated HLOD actor, it reports it as missing. This could serve to be problematic when using a large number of HLOD actors to optimize t ...

Android + Bluetooth Mouse: Hover events and Get Mouse Position on Viewport not working

UE - Platform - Mobile - Jul 11, 2018

No hover events firing when using a bluetooth mouse on android. Tested with 4.20p5 CL# 4173645 4.21 CL# 4179794 ...

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 ...

Vehicle Game - Input Interference when Controller Plugged in

UE - Gameplay - Input - Nov 2, 2018

GenericUSBController Axis values interfering with input when Xbox Controller is active. (Generic Inputs were added for Switch Support) ...

Scroll bar thickness is unaffected when set below 4

UE - Editor - UI Systems - Apr 9, 2019

Scroll bar thickness is unaffected when set below 4. There appears to be a minimum size in place that prevents the scroll bar from being set to a size lower than 4 ...

Crash when creating an animation

UE - Editor - UI Systems - Jun 7, 2019

The editor crashes when trying to add an animation key frame for the row fill setting for a grid panel ...

CSM has artifacts if shadow distance less than 2000

UE - Graphics Features - Jun 12, 2019

Niagara Ribbon Facing Mode Custom Side Vector does not work correctly

UE - Niagara - Feb 28, 2020

The Custom Side Vector facing mode is no different than the Custom facing mode on Niagara ribbons. The linked UDN has more information on a potential cause, as well as a proposed fix. It looks like ...