Unreal Engine Issues
Unreal Engine Issues
A replicated Timeline's Finished output does not fire on the Client if the Server changes the Timeline Length to a shorter duration
UE - Networking - Jan 28, 2016A replicated Timeline's Finished output does not fire on the Client if the Server changes the Timeline Length to a shorter duration. Test project attached. Reproduced in 4.9.2 binary, 4.10.2 binar ...
[CrashReport] UE4Editor_Cascade!FCascadeEdPreviewViewportClient::GetCascade() [cascadepreviewviewportclient.h:72]
UE - Niagara - Jul 14, 2017This is a common crash affecting users in 4.16. It appears to be a continuation of [Link Removed]. Users have not provided additional information about this crash. Source Context/** Accessors */ ...
LineTraceSingleByChannel does not correctly use the collision response set for the channel being traced on
UE - Simulation - Physics - Nov 28, 2017There appears to be an issue with how raycasts are performed within PxScene. When performing the trace, only the collision response for the first ECollisionChannel seems to be considered. If all col ...
Existing widget name error from rejected widget object.
UE - Editor - UI Systems - Dec 5, 2017Rejected widget object for paste action from other widget somehow remains in the widget editor making name conflict for other widgets. ...
Improper Rendering of Paper Sprites in Translucent Sort Axis.
UE - Graphics Features - Apr 8, 2019Regression as of 4.22. Translucent Depth Sort Policy results in improper rendering ( Z-Fighting flickering) with Paper2D Sprite Components. ...
Missing receipt error packaging Blueprint project for tvOS with custom iOS icon (Launcher build)
UE - Platform - Mobile - Apr 15, 2019This failure occurs when trying to package SunTemple for TVOS. It did not occur with a blank blueprint project, until I added a custom iOS icon and tried to package a second time (I hypothesize th ...
Instanced EditInlineNew objects are parented to the CDO when used by a child BP of a parent BP that inherits from a native class
UE - Framework - Blueprint Runtime - Mar 21, 2024EditInlineNew objects added to Instanced array stored in a struct are seemingly ignored and the object is instead parented to the CDO of the owner. The owner must be the BP child of a parent BP tha ...
Reference Viewer doesn't show references to Primary Asset IDs
UE - Editor - Applied Usability - May 13, 2025Context Reference Viewer can be used to view references between assets. There is a setting 'Show Management References' whose tooltip implies that references via PrimaryAssetID should be findable t ...
Event Dispatcher not being called in 4.6
UE - Gameplay - Blueprint - Dec 8, 2014ED nodes in 4.6 but are not being executed in standalone or cooked games. Also, users receive compile errors when the project is saved and reopened that resolve when the blueprint is recompiled. ...
The Command and Control keys are swapped for Input nodes on Mac
UE - Gameplay - Input - Nov 4, 2014Mac only. The Command and Control keys are swapped for Input nodes. Pressing the Left Command key triggers Left Ctrl, pressing Left Control triggers Left Cmd, and pressing Right Command triggers R ...