Unreal Engine Issues
Unreal Engine Issues
Nav Area class is reset after updating from 4.19.2 to 4.20 Preview 3
UE - AI - Jun 21, 2018When upgrading a 4.19.2 project to 4.20 Preview 3 the Nav Area Class is changed to None instead of the value it was before the upgrade. Upgrading from 4.18.3 to 4.19.2 works as expected. This was t ...
Child Actor components on Clients use the incorrect default values for variables that are not being replicated
UE - Gameplay - Blueprint - Aug 28, 2018When a Child Actor's class is replicated but the individual variables are not, the individual variables will use the default of the original BP class instead of the defaults that were set in the Chi ...
EarlyZPassOnlyMateriaMasking Makes Masked Materials on Particles Flicker When Close to the Camera
UE - Niagara - Oct 12, 2018When "r.EarlyZPassOnlyMaskedMaterials" is enabled, masked materials used with particles will flicker when close to the camera. Found in 4.17 CL# 3658906, 4.18 CL# 3832480, 4.19 CL 4033788, 4.20 CL# ...
Delay when attempting to input Korean characters using an IME with certain types of text boxes
UE - Editor - UI Systems - Localization - Nov 8, 2018A user has reported that inputting Korean into certain types of text boxes in the editor using an IME results in delayed input. The user reports that this occurs with SMultiLineEditableTextBox in th ...
Nvidia Graphics Drivers cause editor menus to flicker and disappear after using the editor for an extended period of time
UE - Graphics Features - Apr 16, 2021This issue seems to be occurring on a variety of Nvidia cards. So far, I haven't seen any indication that it is affecting AMD graphics cards. The majority of the reports have indicating that the pro ...
The Get node for the float value of Custom Axis Mappings only return 0.0 when called from Blueprints other than the Controller
UE - Gameplay - Input - Dec 3, 2014The Get node for the float value of Custom Axis Mappings only returns 0.0 when called from Blueprints other than the Controller. Input from the player does not affect the value. Note: this works a ...
Static code functions cause associated blueprints to not compile after a hot reload
UE - Foundation - Cpp Tools - Hot Reload - Oct 14, 2016If a function inside a BlueprintFunctionLibrary class is declared as static, instances of the function node inside blueprints cause the blueprint to not save after a hot reload. This does not affec ...
Editor crash when enabling Distance Field AO Visualization in the Forward Renderer
UE - Graphics Features - Jan 9, 2017When forward rendering is enabled along with Mesh Distance Fields if you go to visualize Distance Field AO in the main viewport the editor will crash. This only affects the Forward Render and works ...
Black artifacts when navigating viewport
UE - Graphics Features - Apr 18, 2017When navigating the viewport, placed actors can leave a "black shadow" as the camera viewpoint changes. The artifacting remains until "Game view" or wireframe mode is activated. This only occurs i ...
World Outliner selection does not update transform widget location during play
Tools - May 23, 2017World Outliner selection does not update transform widget location during play. This issue can be easily fixed simply by reselecting the object, this issue only affects the first time the object is ...