Unreal Engine Issues

CopyTask in BuildGraph never throws an exception if the copy fails

CopyFile function in CommandUtils.cs assumes that an exception will be thrown if the number of retries is exceeded, but the loop condition prevents it from being thrown. Following fix works:publics ...

Light leaks when cast shadow disabled light is applied to the Hair material.

There seems to be a leak in the ContactShadow determination in DeferredLightingCommon.ush ShadowRayCast(), but I could not determine if this is the specification. This problem always occurs from 4. ...

Editor crashed when selected the property menu of the copy of a track with animation blend.

WaitGameplayTagQuery does not adhere to its Query rules if there are no tags on the Actor

Hello, I posted a bug submission some days ago on [Link Removed], however I received a mail asking me to repost it here instead. So here I go, even if it's not a question per say. Description: T ...

Sequence is marked dirty when closing

Cannot Add Player with a second controller in Lyra

Controller 1 is able to navigate the menu as normal, but if you hit the "Start" button on Controller 1, it'll flash the Add Player UI element but won't connect as Player 2, and the output log will s ...

Cinematic Viewport time range disappears after changing sequences

Ensure failing when skeletal mesh uses CapsuleIndirectShadow while Anti aliasing method is MSAA

Video of issue provided by licensee can be seen here - [Link Removed] ...

Input Modifiers may be treated differently if on the Input Action vs the Mapping Context

Update FLevelEditorViewportClient::InputAxis to forward mouse axis events as well

FLevelEditorViewportClient::InputAxis needs to be updated to use the device mapper and FInputDeviceID's instead of the old int 32 ControllerID. Looks like this was missed during the refactor to use ...