Unreal Engine Issues

Play Dynamic Force Feedback does not work on Android

When trying to trigger vibration through the Play Dynamic Force Feedback node, nothing happens on Android. I tested this on Windows as well with an Xbox Series X controller connected, and the vibrat ...

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

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 ...

Android does not show camera when in ARDebugCheck project

While working in the //UE5/Main - Medium Priority - Platform Sanity Pass after being packaged and then uploaded onto supported android device, the screen just shows a black background as it is not p ...

Inconsistent Z sorting priority with decals

"DynamicMaterialParameter1" in Dynamic Material Parameters module is initialized with "DynamicMaterialParameter0".

FAnimNode_TransitionPoseEvaluator uses FStackAttributeContainer to cache data over multiple frames

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.

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

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 ...

[CrashReport] UE4Editor-MovieSceneTracks!UMovieSceneComponentMobilitySystem::RestorePreAnimatedState

[CrashReport] UE4Editor-MovieSceneTracks!UMovieSceneComponentMobilitySystem::RestorePreAnimatedState(IMovieScenePreAnimatedStateSystemInterface::FPreAnimationParameters const &) [MovieSceneComponent ...

Editor Crashes when adding the Start Matinee Camera Shake node to a Blueprint and playing in editor

When adding the Start Matinee Camera Shake node to a blueprint and then playing the project, the editor crashes. When regression testing in 4.26 however, I noticed that compiling the Third Person Ch ...