Unreal Engine Issues
Unreal Engine Issues
WorldPartition: Attached Actors within Level Instances save level offset bounds
UE - World Creation - Worldbuilding Tools - Level Instances - May 9, 2023The proposed fix is implemented in CL 25389340 but needs further testing to make sure there are no issues caused by it. ...
Replicated subobjects list crashes with unreachable yet valid objects when UE_NET_SUBOBJECTLIST_WEAKPTR=0
UE - Networking - May 8, 2023This seems to occur when the subobject is considered unreachable but is not yet pending kill/marked as garbage. In this case, IsValid returns true while FWeakObjectPtr::Get returns nullptr for the o ...
Dropped encryption ack control message can result in connection failure
UE - Networking - Apr 28, 2023When connecting a client using encryption, the server's NetConnection sends the encryption ack and then immediately enables encryption (UNetConnection::EnableEncryptionServer). In the case where the ...
iOS ReplayKit isn't working in UE5.1+
UE - Platform - Apple - Apr 21, 2023In 4.27 & 5.0 when you press the in-app screen recorder button it would pop-up a msg about the user giving permission to allow the screen recording and then would start the recorder and save the mov ...
Pending Abilities are always Added then Removed (thus ordering is not preserved)
UE - Gameplay - Gameplay Ability System - Apr 20, 2023We should probably keep a Queue of the Gameplay Abilities Add/Removed rather than two separate lists. That way we can get the ordering right. I suspect there are lots of ordering issues if we look ...
Editor Freezes after the user attempts to set a NewSpriteAtlasGroup to an imported sprite
UE - Editor - Content Pipeline - Content Browser - Apr 19, 2023By setting an Atlas Group to a newly created sprite, the editor freezes. This feature is most important, even if this issue can only be reproduced by a minority of users. Repro rate: 5/5 Notes:No ...
Editor becomes unresponsive/freezes when a Geometry Collection is destroyed by a Hit Event while simulating
UE - Simulation - Physics - Destruction - Apr 19, 2023This is a regression. Tested in //UE5/Release-5.1 CL23901901 When a geometry collection is destroyed by an On Hit event the editor becomes unresponsive and never recovers. No crash is generated. ...
Lumen tile classification flicker
UE - Graphics Features - Lumen - Apr 19, 2023While we suggest using screenpercentage at 25%, it is visible at higher percentages. Video showing the flickering:https://udn.unrealengine.com/s/contentdocument/0694z00000Qw4jPAAR ...
Assert during HLOD Mesh Build with Degenerate Triangles in a Mirrored Mesh Instance
UE - Editor - Content Pipeline - Import and Export - Apr 14, 2023Licensee reports an issue with MeshDescription indexing when reversing a degenerate triangle. ...
MaterialBaking LocalSpace Issue
UE - World Creation - Worldbuilding Tools - Merge Actor - Apr 14, 2023See attached project for a good repro ...