Unreal Engine Issues

Enhanced Input System + FlushPressedKeys behave questionably together

Renaming an asset set to Sequencer's Payload causes the reference to be removed after restarting the editor.

Renaming assets set to Sequencer's Payload will resolve the reference after restarting the editor. This is probably due to the fact that FemaleSceneEventPayloadVariable::Value is a String type. This ...

Crash when editing category name in the emitter summary

Crash during package save due to the async text mesh build in Text3D

Saving a package in the editor while there is a queued text mesh build will cause a fatal error because the build will execute during the save, and creating objects while saving is not allowed. This ...

When the default values of Instanced variables are changed in Blueprint, the variables of actors on the level don't follow the default values

When the default value of an Instanced variable defined in C++ is changed, it is not reflected in the default value of an Actor placed on a Level. In the reproduction procedure, when the default v ...

SubCategory of UFUNCTION does NOT work properly if using CallInEditor

If you use both Category hierarchy and CallInEditor in UFUNCTION, it will result in an unintended sequence as shown below. [Image Removed] And, the following code can solve this issue void FDetai ...

Electra video playback fails if project or package is under multibyte characters path

The URL parser encodes the input path to a URL-encoded path even if it is local, so if the path contains unicode characters (such as Japanese Kanji ), the media file cannot be read. Following worka ...

3D Transformation Widget Unusable at Very Large Scales

When using a Transformation Widget in a Blueprint, the size of the widget seems to be some kind of product of size in screen space, object scale, and the transform widget scale that makes it much to ...

Game feature plugins load plugin config files incorrectly

Game feature plugins load config files in a different way than normal plugins, which is confusing and can lead to broken behavior unless the developer knows about these issues ahead of time. The loa ...

BP multi-level inheritance does not correctly inherit 'Static' mobility

User reported an issue of a mesh not being visible when a project has multi-level blueprint inheritance. After reproing, I believe the root cause is DefaultSceneRoot of the grandchild BP class not c ...