Unreal Engine Issues

[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 ...

r.AllowOcclussionQueries causing "huge RenderQuery Result" wait time in VR

Running r.AllowOcclusionQueries 0 command seems to set bWait = true, causing large wait times Tested: 4.22.3 CL#7053642 ,   4.24P4 CL#10387632 , 4.25 CL#10479005 Link to the users video, which ...

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

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 ...

World Position Offset invalidates Point Lights Entire Virtual Shadow Map Cache when light frustrum is only overlapping a small portion of the mesh

When adding a spotlight to the scene it does not correctly use cached virtual shadow map pages when the spotlight overlaps a mesh using WPO. This can be most easily observed by entering 'Cached Pag ...

On mobile devices, Audio that is trigger with a TriggerBox are playing from the beginning of the Audio Clip and not from the selected time

If you have a trigger box trigger an ambient audio clip when you enter the box, the audio clip will always play from the beginning even if you have the Start time starting later in the audio clip. ...