Unreal Engine Issues
Unreal Engine Issues
Scrollbox under multiple retainerboxes doesn’t scroll correctly with PIE
UE - Editor - UI Systems - Aug 14, 2019When the scrollbox as the child of multiple retainerboxes, the scroll isn't smoothing. It can see issue with PIE only. If it run with standalone (or package build) is fine. In SScrollBar::ExecuteO ...
Virtual Texturing: RuntimeVirtualTextureOutput Node Can Be Used with a Virtual Texture Domain Material
UE - Graphics Features - Jun 21, 2019When adding a RuntimeVirtualTextureOutput node to a Virtual Texture domain material, the RVT Output node overwrites any data being sent to the normal material node's output, which interferes with th ...
Farfield shadow in lumen scene
UE - Rendering - Features - Jul 21, 2025Shadows in the Lumen Scene from Lumen's Direct Lighting do not match the world when in the Lumen Far Field. This leads to shadows where there should not be any, and missing shadows where there shou ...
After compile, spawnable actor is stuck in spawned state
UE - Anim - Sequencer - Jun 3, 2016After compile, spawnable actor is stuck in spawned state ...
Mouse offset when switching resolution between windowed mode / fullscreen
UE - Editor - UI Systems - Aug 13, 2015When switching between windowed and fullscreen modes during runtime the mouse position is reported incorrectly. Eg. A button with a hover over effect will play the effect when the mouse is near but ...
Moving objects in editor does not update collision
UE - Gameplay - Apr 7, 2015When an object is created procedurally with code and placed into the editor the collision analyzer will detect the object properly. If the object is then moved to another part of the level the coll ...
collision components added to vehicles do not properly register overlap events
UE - Gameplay - Sep 16, 2015overlap events do not fire when collision components such as sphere or capsule collision components are added to a vehicle blueprint. Overlap events seem to register if the component overlaps with o ...
The AND node always calculates all inputs
UE - Gameplay - Blueprint - Nov 5, 2015The AND node always calculates all inputs, even if the first input fails as False. Probably related to [Link Removed] (currently unresolved, but a Select node-specific fix is mentioned in the comme ...
Dynamically Created Hierarchical Instanced Static Mesh Component Reset with Wind Directional Source
UE - Gameplay - Components - May 6, 2015A HISMC (Hierarchical Instanced Static Mesh Component) created dynamically through blueprints has its simulation reset by the Wind Directional Source. "The HISMC needs to get spawned from an Actor ...
Actors not marked as Always Relevant do not replicate to Clients that have possessed a vehicle past 15,000 units of the point of possession
UE - Networking - Oct 20, 2015Actors not marked as Always Relevant do not replicate to Clients that have possessed a vehicle past 15,000 units (the sq root of Net Cull Distance Squared) of the point of possession. Note that repl ...