Particle Cutout Crashes On Certain Devices (Samsung Galaxy Note 2)

UE - Platform - Mobile - Aug 12, 2016

As soon as a particle system using the Particle Cutout feature appears a crash occurs. I used the Samsung Galaxy Note 2. Its asset number is 2894. I've attached the logs from the test on engine vers ...

A 3D wdiget with a text block that has a large font size will crash a packaged project

UE - Editor - UI Systems - Oct 20, 2015

Using a 3D Widget with a text block who's font size is set to 1,000 will give a fetal error when packaged. Note: The package will succeed, however when the project is opened the user will receive ...

Blueprint NAND node should not be associative.

UE - Gameplay - Blueprint - Jan 6, 2016

NAND is not an associative operation, so it should not use the markup that makes N+1 input nodes work by calling the underlying function N times. This was brought to light here: https://udn.unreale ...

Adding entries to TMap in custom asset type not always reflected without restarting editor

UE - Gameplay - Blueprint - Aug 22, 2017

If you adding entries to a TMap in a custom asset type in the content browser, after a certain number of entries the last entry fails to be found with the "find" function for TMaps in blueprints, ev ...

Cursor reappears in the wrong location after capture

UE - Editor - UI Systems - Slate - Aug 1, 2018

Cursor reappears at wrong location after capture when "Use Mouse for Touch" and "Hide Cursor During Capture" Broken in 4.20.1 (CL - 4239966), and 4.21 (CL - 42455242) Working in 4.19.2 (CL - 40337 ...

Auto Wrap Text boolean check appear twice in the Text Block widget element

UE - Editor - UI Systems - Aug 10, 2018

The Auto Wrap Text property in the Text Block widget element appears twice in the Details Panel. Tested in 4.19.2 (CL- 4033788), 4.20.1 (CL - 4239966),  4.21 (CL - 4275031) ...

Large UMG Blueprint widget trees can lead to very long compile times when packaging with Blueprint nativization enabled.

UE - Gameplay - Blueprint - Sep 10, 2018

Licensee reports very long C++ compile times during packaging after nativizing a UMG Blueprint asset containing a very large and heavily-nested widget animation hierarchy. The support thread outlin ...

SceneCapture2D Crashes When Changing to a Mobile Preview

UE - Platform - Mobile - Oct 16, 2018

With a SceneCapture2D actor in a level the editor will crash when changing to a mobile preview. Working as expected in 4.20 CL# 4369336 Found in 4.21 Preview 1 CL# 4435822 and 4.22 CL# 4470579 Th ...

Hot Reload cannot be performed when using the DebugGame Editor configuration

UE - Foundation - Cpp Tools - Hot Reload - Dec 31, 2018

In 4.21.1 it is no longer possible to perform a Hot Reload when the game is open in the Editor and using the DebugGame Editor configuration. REGRESSION: Yes. A Hot Reload was possible in 4.20.3 whe ...

Arabic characters not showing correctly when using some text based widgets

UE - Editor - UI Systems - May 1, 2019

Arabic characters do not appear to render correctly in text widgets and text box (Multi-line). They instead appear as box like character with the word "Arabic" and a random set of numbers and letter ...