Unreal Engine Issues

4.6 Delegate error in Blueprints

When looking into the bd_hud_scoring and bd_rules_maze blueprints in the users project (Provided below), there are nodes that are throwing errors. If you press compile, the errors go away and the co ...

[CrashReport] UE4Editor_UnrealEd!TArray<TScriptDelegate<FWeakObjectPtr>,FDefaultAllocator>::Find() [array.h:784]

This is a regular crash occurring in 4.17. It may be a regression as there is no immediate evidence of it occurring in prior releases. Users have not provided any descriptions of their actions whe ...

No shadow cast after Static Mesh Editor material assignment

This is a Rhino file. Shadows are not cast on the Static Mesh after materials are assigned in the Static Mesh Editor. This was reported and tested in 4.24.3 (CL-11590370). This was reproduced in 4. ...

Anim sequence in DLC leads to crash in IOS.

DLC download is working as expected but opening a map with anim sequence which is located at DLC's pak file will lead to crash in iOS. ...

ChildAnimBP with different skeleton than parent does not show child skeletons anims in AnimGraphOverrides

Create a Parent AnimBP, add any animation to it. Then create a childAnimBP from Parent. In ChildAnimBP, go to TargetSkeleton (from class settings) to change a different skeleton. Then go to the Anim ...

Dynamic material is not discarded when other sub-sequences are played while the master sequence is playing

Metasounds - Using the Audio Component Play Node with a start timer other than 0 results in the Metasound ceasing to function

Metasounds cease functionality if called to Play with a different start time other than 0. This extends to the Metasound editor where pressing play to preview the sound also ceases to function. ...

Duplicating an actor with a blueprint bound delegate behaves unexpectedly

When the trigger is duplicated, the contents of its OnActorBeginOverlap MC delegate are copied, which contains a reference to the BP actor that added the binding to the original trigger. Marking th ...

Hitting a breakpoint in widget blueprint while running PIE with Selected Viewport mode blocks entire editor rendering

This problem does not occur when running PIE with New Editor Window mode. ...

Audio Does Not Play Back Correctly when entering an Audio Volume with a Submix Send that is PreAttenuation with a Submix using Convolution Reverb

Entering an Audio Volume that has a Submix Send set to Pre Distance Attenuation and using a Convolution Reverb causes severe audio glitching. Does not occur if Send is Post Distance Attenuation. Doe ...