Unreal Engine Issues
Unreal Engine Issues
Creating Actors as default subobjects causes crash (casting Outer to Level)
UE - Gameplay - Mar 18, 2016If two custom classes are created in C++ (Class A & B) and a reference to Class A is created as a member of Class B and initialized in Class B's constructor, the editor will crash once a blueprint o ...
Creating a function with parameter type TEnumAsByte<MyEnum> will crash while compiling
UE - Editor - Jan 11, 2022This is a regression.This does not affect UE5. Creating a function with parameter type TEnumAsByte<MyEnum> will crash while compiling. In 4.26 and UE5 the code compiles without issue, and the user ...
Adding impulse to a Static Mesh Component that is not the root of an Actor Blueprint does not replicate movement to the Client
UE - Networking - May 19, 2015Adding impulse to a Static Mesh Component that is not the root of an Actor Blueprint does not replicate movement to the Client. Reproduced in 4.7.6, 4.8 Preview 3, and Main (//depot/UE4/Promotable- ...
Static Mesh Component variable defaults cannot be set in the Details panel
UE - Gameplay - Blueprint - Apr 20, 2015Static Mesh Component variable defaults cannot be set in the Details panel. No options are available in the dropdown, even if the Blueprint already has StaticMesh components assigned. Reproduced in ...
Black screen on Android devices with a Mali 400
UE - Platform - Mobile - Dec 10, 2014When using the Launch on Feature with a Mali 400 Device, the project, once locked on, will appear black on 4.6 and will crash on CL# 2375758. This error occurs on new projects. Tappy Chicken Run fi ...
If any light source is deleted, and a single light has its visibility state changed in LightMixer, all the other lights in the scene that were invisible turn visible
UE - Virtual Production - Tools - Jul 31, 2025If any light source is deleted, and a single light has its visibility state changed in LightMixer, all the other lights in the scene that were invisible turn visible. The behavior only shows after d ...
EditCondition specific does not prevent values from being changed.
Tools - Mar 9, 20171) Using the Meta specifier EditCondition will gray out the property box so that it cannot be clicked, but using tab from another property box will place the cursor inside the grayed out box. 2) V ...
Having a project for iOS set to only allow Landscape Right with show incorrectly on an iOS device
UE - Platform - Mobile - Jan 23, 2015When you are packaging and deploying your project to an iOS device, If Supports Landscape Right orientation is the only Orientation checked, It will show incorrectly on the iOS device. Tested on an ...
DoesSocketExist always returns false for Sprite Sockets (flipbooks and sprite components)
UE - Gameplay - Paper2D - Jan 15, 2015DoesSocketExist always returns false for Sprites in a Flipbook, whether there is a socket on any/all of the Sprites or not. Note: GetSocketLocation seems to work fine, indicating that it is reading ...
Play Rates are not reverted when HAP Media Plugin is disabled
Media Framework - Nov 11, 2019Enabling the HAP Media player plugin permanently affects the thinned Play Rates of the Media Player asset. Tested in 4.23.1 (CL - 9631420), 4.24.0 (CL - 10091930), 4.25 (CL - 10091038) ...