Unreal Engine Issues

UFE Deploying and launching a packaged build on Linux fails due to invalid directory

Deploying and launching a packaged project, using a Custom Launch Profile that is set to copy the project to a repository, fails due to a missing /. I do not see this issue when running a Quick Lau ...

Enhanced Input System + FlushPressedKeys behave questionably together

changing localization does not change text in PIE

When switching localization for testing, text does not change language in PIE. ...

Deleting a Sync Marker created by an Animation modifier deletes all Sync Marks made by the Animation Modifier

Using the delete key or context menu to delete a single sync marker created by an Animation Modifier deletes all sync markers created by the Animation Modifier. If all the markers are deleted, and ...

Code delegates duplicate function calls when owning actor is duplicated in the editor

If an actor that contains a delegate bound in code is duplicated after being placed in the level, the delegate for the duplicate will also trigger the delegate for the original as well. ...

Python function unreal.AssetRegistry.get_assets_by_class is broken

Repro Rate: 3/3 This issue was reproduced in //UE5/Release-5.1 at CL 23058290. This is confirmed to be a regression since the errors do not occur on the previous version and is regression tested o ...

Player state on clients does not get set properly

When playing in Standalone with multiple characters there's the the chance that one of the player states does not get set and remains null. This is not a 100% repro case. Multiple tests may be req ...

Sprite collision is inaccurate

Sprite collisions do not accurately reflect the collision for the sprite. While the collisions are always the same between two of these, the collisions do not correspond to the shape of the collisio ...

Failed Import for Spline Component Error Appears on Restarting Level

When creating and declaring a Spline Component in code, placing an instance of a blueprint derived from that class in the level causes a failed import message to appear upon restarting the level. ...

UBT crashes when doing an incremental build

There is a consistent crash when incrementally compiling headers containing generated code. The code for launching UHT accesses a property which is null when compiling with the UBT makefile. ...