Private functions can be called in other blueprints

Gameplay - Blueprint - Nov 2, 2015

Private functions within a blueprint can be called from other blueprints. A warning does appear but the function is run despite this warning. ...

Crash when using ConstructorHelpers on Niagara assets

Rendering - Niagara - Apr 10, 2019

When using the ConstructorHelpers templated function, FObjectFinder, with Niagara assets, the editor crashes. Tested in 4.21.2 (CL - 4753647), 4.22 (CL  - 5660361),  4.23 (CL - 5806860) ...

UnrealMathTest fails when compiled with VS2019

DevTools - Oct 10, 2019

A crash or breakpoint is triggered when building UE4 with Project Files generated with -2019. Typeinfo.h was changed in MSVC v14.23 to just be typeinfo. ([Link Removed]) There is a pull request t ...

Nested Spline Components cannot be edited

Tools - Mar 14, 2017

When a spline component is created in a class/blueprint (child) that is used as a component for another class/blueprint (parent), the spline component cannot be edited from the parent class instance ...

iOS App Store ITMS-90809: Deprecated API Usage from UIWebView APIs

Online - OSS - iOS - Sep 19, 2019

Users are receiving "ITMS-90809: Deprecated API Usage - Apple will stop accepting submissions of apps that use UIWebView APIs . See [Link Removed] for more information. " issue when submitting apps. ...

NavLink component does not account for the cost of the path set by AreaClass

Gameplay - AI - Sep 6, 2018

In the test case, the NavLink component has a navigation cost of 1000000000. When the AI navigates to the NavLink the printed cost is only 2677. It is believed that the AreaClass isn't being taken i ...

Shaped Trace by channel traces do not return true when the starting and ending point are the same

Physics - Feb 18, 2019

When a shaped trace by channel has a starting and ending point that is the same, it no longer returns true when overlapping an object. Regression: Yes This appears to work as expected in 4.21.2 bi ...

Light in Volumetric Fog offset in VR with Instanced Stereo and Forward Shading enabled

XR - May 10, 2018

Light inside Volumetric Fog is offset in the right eye when viewing in VR with Forward Shading and Instanced Stereo Enabled If just Forward Shading or Instanced Stereo is enabled, this does not occ ...

Changing variable type of event dispatcher results in permanent warning

Gameplay - Blueprint Compiler - Aug 18, 2018

If you change the type of an event dispatcher variable (why is this a thing?!), then you will permanently have a warning of the form "No delegate property found for NewEventDispatcher_0" that will ...

GameplayAbility Blueprint's FGameplayAttribute does not retain value reference upon Compile

Gameplay - Sep 17, 2019

GameplayAttribute-type function arguments in BP-callable functions(I.E a Blueprint event graph) or nodes have their value reset on BP compilation ...