Unreal Engine Issues
Unreal Engine Issues
Editor delay on end simulation in 4.14
Tools - Nov 16, 2016When stopping PIE Selected Viewport or Simulate Mode there is now a 1 to 2 second delay that did not occur in previous versions of the Engine. Regression: Did not occur in UE4.13 or earlier ...
Blueprint Macro Libraries based on Actor cannot be reparented to Object
UE - Gameplay - Blueprint - Jul 13, 2015Blueprint Macro Libraries based on Actor cannot be reparented to Object Reproduced in 4.7.6, 4.8.1, and Main (//depot/UE4/Promoted-CL-2605171) ...
Chaos Cloth - Multiple issues with convex colliders
UE - Runtime - Deformable - Feb 6, 2026Issue 1: Convex Collision Transformation Missing for External Collision Sources Issue 2: Convex CCD Stability Issues due to Plane Intersection Semantics See attached URL for more details. ...
iOS: No game sound after answering incoming call on iOS
UE - Platform - Mobile - Nov 28, 2016When an iOS device receives and answers a call that interrupts a UE4 game, the game will no longer have audio after the call in completed. Expected: End of call returns to gameplay with audio. Actu ...
Particles emit from corrupted positions when spawning from cloth vertex
UE - Simulation - Physics - Character - Aug 4, 2017When spawning particles from skeletalMesh vertices(using Skeleteal Vert/Surf Location), if the specified mesh is a cloth, some particles appear away from the mesh itself. This happens in 4.16 and 4. ...
C++ Event Dispatchers target pin cannot be set to actor references
UE - Gameplay - Blueprint - Nov 13, 2014When connecting C++ created event dispatcher, the Target node will not accept reference to other actors. This is happening in 4.6 and Main but is working as intended in 4.5.1 ...
'Decal Blend Mode' in the Result node is missing
UE - Rendering - Architecture - Materials - Mar 8, 2022'Decal Blend Mode' in the Result node is missing. The user that reported this noticed it when converting from early access to Preview 1. Their emissive decals stopped blending. ...
The Add node does not update in the Construction Script
UE - Gameplay - Blueprint - Feb 28, 2015The Add node does not update in the Construction Script. Reproduced in 4.7.1 binary and Main (//depot/UE4/Promotable-CL-2455917) ...
SteamSockets not setup to handle Client/Session ID handshakes
UE - Online - Jan 13, 2023Repro Rate: 3/3 This is a live issue where the customer claims that the SteamSockets implementaton is not setup to handle the new Client and Session Id setup that was introduced in 5.1. This issue ...
Sequencer in packaged VR project does not appear to work when using sequence player on begin play
UE - Anim - Sequencer - Sep 27, 2016Sequencer in packaged VR project does not appear to work when using sequence player on begin play. The HMD no longer appears to be affected by sequencer after the project has been packaged out ...