SetVectorParameterValueOnMaterials In Construction Script Not Working in Packaged Game

UE - Gameplay - Blueprint - Mar 1, 2017

Set Vector Parameter Value on Materials doesn't seem to have an effect in packaged games if used in the construction script. Using it on Begin Play works as expected. This did not occur in 4.14.3. ...

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