Unreal Engine Issues
Unreal Engine Issues
Network Prediction crash when smoothing service instance data is reallocated out from under FNetworkPredictionStateView
UE - Gameplay - Network Prediction - Apr 4, 2025Received a report from a licensee using Network Prediction Plugin and Mover. There is a strong likelihood of a crash occurring when using NPP's smoothing option and spawning new NPP-simulating ins ...
Non-Nanite Instanced Static Mesh Collision not showing in collision view
UE - Simulation - Physics - Apr 3, 2025This issue is the same as [Link Removed], but it causes confusion for developers because only Nanite ISM are rendered correctly since UE5. . ...
Actor Dropped at Wrong Location During PIE
UE - Editor - Applied Usability - Apr 3, 2025When attempting to drag and drop an actor from the Content Browser into the level viewport during PIE, the actor is not placed at the mouse cursor location if the Player Controller is attached. Inst ...
Option "Use Mouse for Touch" does not work correctly when running the game in "Standalone" or "New Editor Window (PIE)" modes: Virtual joystick does not appear and mouse cursor is incorrectly hidden while captured.
UE - Gameplay - Input - Apr 1, 2025The Editor provides option "Project Settings – Engine – Input – Mouse Properties – Advanced – Use Mouse for Touch" to allow testing virtual joysticks and other touch controls with the mouse. When ru ...
InlineEditConditionToggle Prevents Config Bools from Being Written to Settings .ini File
UE - Editor - Workflow Systems - Apr 1, 2025In a Developer Settings Class, Boolean properties marked with InlineEditConditionToggle do not get written to the associated settings .ini file, preventing configuration settings from being saved pr ...
Skylighting on distant objects causes severe flickering with Lumen
UE - Graphics Features - Lumen - Mar 31, 2025Lighting on distant meshes flickers when using Lumen and Skylights. Turning Lumen off and lighting from the skylight is stable. Turning off Lumen screen traces also lowers the amount of flickering ...
Feature Request: Expose API to iterate the existing log categories and verbosity
UE - Foundation - Mar 31, 2025Input Actions bound to Any Key become unresponsive after mouse scroll until scrolled again
UE - Gameplay - Input - Mar 28, 2025In UE latest release (5.5 launcher version), Enhanced Input Actions mapped to "Any Key" stop responding after scrolling the mouse wheel. Specifically, scrolling either up or down disables the Any Ke ...
Culling Distances Not Working For Static Mesh in Procedural Content Generation Tool and Foliage Tool
UE - World Creation - Procedural Tools - Mar 28, 2025When creating Foliage or Procedurally Generated Content the culling settings of the Static Meshes do not apply correctly. As soon as either a minimum or maximum cull distance is set the Static Meshe ...
Stalled cook due to PoseSearchDatabase DDC storage/retreival
UE - Anim - Gameplay - Mar 27, 2025reported via UDN: [Link Removed] ...