Unreal Engine Issues
Unreal Engine Issues
Jittering effect with Physics Constraint Actor using Linear Limits
UE - Simulation - Physics - Mar 26, 2018Jittering effect with Physics Constraint Actor using Linear Limits. This only seems to affect the Physics Constraint Actor from the Modes panel, with the static mesh starts near the physics constrai ...
Editor Type Plugins are Included in Packaged Development Build
UE - Foundation - Cpp Tools - UnrealBuildTool - Feb 19, 2016When you declare a plugin as "Editor" type, the plugin is still included in a packaged development build. Found in 4.10.3 binary. Reproduced in 4.11 Preview 5, and Main CL 2870013 ...
Child character's Variable changes to the default value in a packaged project
UE - Gameplay - Blueprint - Jun 22, 2015Child character's Variable changes to the default value in a packaged project. User Description: Name of player character resets (to default value specified in parent class) after packaging. 3. P ...
Subclass disappears from class variable drop-down on re-open
UE - Gameplay - Blueprint - Mar 13, 2017Subclass disappears from class variable drop-down upon reopening the project. There is a workaround for the issue but it is strange in nature. Opening the level blueprint and adding the node in scre ...
Construction script not updating HISM array count
UE - Gameplay - Blueprint - Mar 27, 2017Construction script not updating HISM array count, even when new elements are adding inside of the level. Regression: Issue occurs in 4.15.1 of the binary build Using the same repro steps provid ...
Thumbstick clicks do not register on Linux
UE - Platform - Linux - Jun 6, 2017The "Left Thumbstick Button" and "Right Thumbstick Button" events on Linux do not trigger with the thumbstick is clicked. Testing all gamepad input, clicking the thumbstick in appears to call the L ...
Drag and Drop Import option allows folders with space in name
UE - Editor - Content Pipeline - Import and Export - Jul 7, 2017By using the drag and drop import feature, users can import files that contain spaces in the name. This causes an error in the editor where files inside it cannot save because of the name. Renaming ...
Unhovered event occurs twice with 3D Widget when button is pressed and held
UE - Editor - UI Systems - Jul 21, 2017When using a 3D Widget that is a button when you press and hold a button and move off of the widget and let go of the mouse the engine registers a second unhovered event. Engine Version tested 4.1 ...
Sequencer - When a subsection has negative play rate, any nested sub-subsections fail to evaluate
UE - Anim - Sequencer - Jul 3, 2025Consider a sequence hierarchy with more than two layers. If the top-level sequence uses a negative timescale on a sub-sequence, the contents inside it animate as expected, but any nested sub-sequenc ...
bIsComposing assert with Japanese MS-IME input(candidate list related)
UE - Editor - UI Systems - Localization - Apr 18, 2017When using MS-IME as Japanese input method, scrolling out the text field out side the view causes bIsComposing to be set false - this state causes instability of the editor. Crash happened with Win ...