ToggleDebugCamera Console Command doesn't disable an enabled DebugCamera

UE - Gameplay - Aug 5, 2019

The "DisableDebugCamera" node and the "ExecuteConsoleCommand" node with "ToggleDebugCamera" in the Command field do not disable an enabled Debug Camera. Found in 4.22.3 CL#7053642 Reproduced in 4.2 ...

Multi Line Trace by Channel includes Actors with Overlap collision in the Out Hits array

UE - Gameplay - Apr 13, 2015

Multi Line Trace by Channel includes Actors with Overlap collision in the Out Hits array (but does not indicate a True Return Value). The two returns match with Ignore and Block collision settings. ...

Using the Set console command to change a value at runtime causes a crash

UE - Gameplay - Dec 9, 2015

When using the Set command to change the value of a class at runtime, the game instance will crash with an access violation. Note: This needs to be done in Standalone or a packaged version for this ...

Inherited TMap value of type UObject* is not saved on blueprint compile

UE - Gameplay - Blueprint - Oct 20, 2017

When a blueprint inherits a TMap variable with a UObject* as the value, compiling the blueprint causes anything set for the value to rest to "none" Workaround: Adding the TMap through the editor re ...

Child Blueprint construction script runs before parent C++ OnConstruction

UE - Gameplay - Jun 25, 2019

When the order of construction is backwards it makes it impossible to have native objects set up components in OnConstruction, that a child BP Construction Script then has access to. Sometimes the C ...

Crash When server traveling from one level and then back again after calling a multiclass event (using Play as Listen Server)

UE - Gameplay - Blueprint - Apr 20, 2018

A crash occurs when switching back and forth between levels when using seamless travel. This happens if a multicast was called and if it contains a member variable. ...

EXR renders won't go above 640x360 when rendering from an Editor Window

UE - Anim - Sequencer - Jan 4, 2016

User was attempting to render out EXR sequences and ran into an issue where anything above 640x360 caused the window to shrink and render at a lower resolution. The workaround is to "Use Separate P ...

[Landscape] Collision Object Type Requires WorldStatic to Paint Foliage

UE - World Creation - Worldbuilding Tools - Foliage - Feb 27, 2018

No longer able to paint foliage when new Collision Object Type is applied to the landscape. Reproduced in 4.17.2 CL 3658906, 4.18.3 CL 3832480, and 4.19 P5 3898826 ...

Enable high quality Gaussian DOF cause black screen on Android(S6)

UE - Platform - Mobile - Nov 23, 2017

This is only happen on Android, no problem on IOS ...

4.21 PIE Issues in High DPI

Tools - Nov 26, 2018

Using a High DPI monitor with a multiple players PIE window results in the 2nd PIE window not saving its location when moved around. Using a monitor with a smaller DPI scale the 2nd window will save ...