Unreal Engine Issues

[AI] Editor crash when moving BT nodes if the BB has a BlackboardKeyType_Object with a null BaseClass

The editor crashes if a BT is changed while its Blackboard has an Object type key with its BaseClass set to None (null). There is no warning or log alerting the user that setting the BaseClass to No ...

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. ...

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 ...

AssetManager: PrimaryAssets: Allow PrimaryAssetTypesToScan entries to be extended from plugins to add directories

Game.ini:[/Script/Engine/AssetManagerSettings]:PrimaryAssetTypes is an ini setting to specify which PrimaryAssets should be used by the engine during cook to specify which packages gets cooked and w ...

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 ...

Fixing a Blueprint's compilation error after editor reload causes instances to lose transform

Saving and reloading a Blueprint instance with a compilation error, a.k.a., "Bad Blueprint" will lead to a transform reset when the Blueprint is successfully recompiled. ...

Reset of bone proxy in anim editors detail panels doesn't re-enable live update of tranforms

The bone proxy details customization for the animation editors doesn't currently reset modifications correctly.  When a transform channel is modified and then reset, the bone proxy doesn't start liv ...