Child blueprint reference to self node unpins after close and reopen from Set Array Element node

UE - Gameplay - Blueprint - Jun 1, 2015

If a child blueprint attempts to set an array element of self to an array of the parent blueprint, then the editor is saved, closed, reopened, the self pin will disconnect from the Set Array Element ...

This project crashes when opening most maps after converting to 4.7 Preview 5

UE - Gameplay - Blueprint - Feb 4, 2015

This project crashes when opening most maps after converting to 4.7 Preview 5. Also crashes after converting to 4.8 Main (tested in //depot/UE4/Promotable-CL-2429371). Crash log attached. Crash R ...

The 'Console Variables' option does not Output an HTML file

Tools - Aug 23, 2016

No HTML file is created when using the newly added 'Console Variables' help menu option. This option is the same as entering 'Help' into the console command window. Neither of these options produce ...

Deactivate Then Activate Ribbon Emitter Causes Flicker

UE - Graphics Features - Oct 21, 2016

When setting a particle system to be active after deactivating the remaining particles still floating in the air from earlier will flicker. This is harder to reproduce when smooth frame rate is enab ...

Projects using a class that inherits from SceneCapture2D may crash on launch on iOS devices

UE - Platform - Mobile - Jan 4, 2016

If a project uses a class that inherits from SceneCapture2D and sets the render target via code, the project will crash on launch on an iOS device. The project runs normally on PC and Android. Proj ...

Changes to Landscape Thickness not propegated to PhysX

UE - LD & Modeling - Terrain - Landscape - Jun 3, 2015

In 4.8 preview 4, it appears that changes made to a landscape actor's CollisionThickness property in the editor are not being replicated in physX [...] It appears that what happens is that the engin ...

Editor tabs switch when pressing stop during PIE

Tools - Apr 6, 2015

While playing in PIE, the editor switches back to the main tab when you're in the blueprint tab after you've pressed 'stop'. Therefore, if you're debugging a situation within the blueprint, you're i ...

MAC: Drop Down Menus Continuously Flicker (In Certain Conditions)

UE - Editor - UI Systems - Slate - Nov 4, 2015

Shown in the Behaviour Tree Graph, if the Dropdown menu's length exceeds the Behavior Tree Graph window, the menu will try to offset it's position in order to display all information and will flicke ...

Crash when loading the tutorials for 'Landscape Painting Mode' and 'Landscape Sculpting Mode'

Tools - Jun 6, 2017

A crash occurs when starting either the Landscape Painting Mode or Landscape Sculpting Mode tutorials. It crashes even if a landscape is already in the level. This is similar to [Link Removed], h ...

Deleting reference variable will result in unusable picker appearing on resolve nodes

UE - Gameplay - Blueprint Editor - Feb 11, 2019

REGRESSION: No When deleting a reference variable, any resolve node pins using it will have a picker added, which won't have anything listed in their dropdown. This isn't consistent with what happ ...