Backcompat: ConstructObjectFromClass node no longer accepts "Outer" input types that are not also derived from self

Gameplay - Blueprint Editor - Sep 15, 2021

The ConstructObjectFromClass node no longer allows connections to the "Outer" input pin that are not of a type that's derived from the current Blueprint class (self). Previously, users could connec ...

Splitting a struct pin on a function node does not display tool tips on resulting struct member pins

Gameplay - Blueprint Editor - Sep 15, 2021

Splitting a struct pin on a function node does not display tooltips for the resulting struct member pins.  upd. Regression was checked on //UE4/Release-4.26 CL 15973114, issue wasn't reproduced. Re ...

Ray traced GI denoiser blotches/artefacts

Rendering - Ray Tracing - Sep 15, 2021

See licensee description of the issue for more info. Issue did not occur in 4.25. ...

FAnimNode_TransitionPoseEvaluator uses FStackAttributeContainer to cache data over multiple frames

Anim - Runtime - Sep 15, 2021

FAnimNode_TransitionPoseEvaluator can cache a pose over multiple frames using FStackAttributeContainer rather than the heap equivalent. This will likely crash at some point if any user uses the cac ...

The process may not return to the root node after the Wait Task is completed.

AI - Sep 14, 2021

If the Wait Task is completed for the first frame, it may not return to the root node even after Finish. This can be avoided by increasing the wait time of the Wait Task (see CaseOK.mp4). When this ...

Switching LOD while using Evaluation Mode = Freeze in custom transit graph fails

Anim - Runtime - Sep 14, 2021

If a user setups up a custom transition graph that caches one of the input poses by setting the Evaluator Mode property to Freeze then the node fails to deal with the situation where the LOD or mesh ...

Saving a level with a sequence open can affect a component's velocity

Anim - Sequencer - Sep 13, 2021

It looks like a component will have a velocity calculated and saved when animated by a sequence during a level save.  ...