Unreal Engine Issues
Unreal Engine Issues
World Position Offset invalidates Point Lights Entire Virtual Shadow Map Cache when light frustrum is only overlapping a small portion of the mesh
UE - Rendering - Graphics Features - Oct 22, 2025When 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 ...
Creating a new Physics Asset will override the behavior of the previous Physics Asset inside the Phat Editor
UE - Gameplay - Aug 11, 2016Creating a new Physics Asset will override the behavior of the previous Physics Asset inside the Phat Editor. This seems to be linked to which physics asset is currently assigned to the skeletal me ...
Memory Increase with mouse over Content Browser with AnimBP visible
UE - Editor - Content Pipeline - Content Browser - Aug 12, 2016Memory Increase with mouse over Content Browser with AnimBP visible ...
Make array node elements break when editing struct elements
UE - Gameplay - Blueprint - Sep 23, 2015If a Make Array BP node is connected to a structure, using the "Split Struct Pin" and "Remove Array Element Pin" options causes array elements numbers to change randomly. ...
Hot Reload: Component bCanEverTick is not updated after compile
UE - Gameplay - Components - Mar 15, 2017Setting PrimaryComponentTick.bCanEverTick in a custom actor component's constructor does not does not stop the component from ticking after compile. ...
UIpNetDriver::ProcesRemoteFunction warnings appear for ShooterGame clients when switching weapons
UE - Networking - Nov 5, 2015The following warnings appear in the output log for ShooterGame clients when switching weapons. [2015.11.05-19.41.11:550][253]LogNet:Warning: UIpNetDriver::ProcesRemoteFunction: No owning connectio ...
Launching packaged game on Oculus Rift through SteamVR without disabling Oculus plugins freezes periodically
UE - Platform - XR - Sep 26, 2017Launching packaged game on Oculus Rift through SteamVR with -hmd=steamvr command line parameter periodically freezes Oculus (mirror window still visible and responsive). Freeze does not happen if i ...
When copying category properties, all the EditConst flags are not checked. This overrides variables that should not be written.
UE - Editor - Verse Class Editor - Mar 12, 2024If you create two actors that have the same structure of variables in a category, and you try to copy the category variables of one actor into the other, variables that have ReadOnly/EditConst speci ...
Float Curve evaluation may yield completely wrong results due to floating-point precision issue
UE - Runtime - Animation - Oct 31, 2024Note: This is possibly related to [Link Removed] To Do . For some inputs, function UE::Curves::WeightedEvalForTwoKeys() ins ...
Water is missing or appears in wrong places due to incorrectly rendered WaterInfoTexture.
UE - Rendering - Graphics Features - Jun 16, 2025Water is missing, appears in strange blocks, or appears in wrong places due to incorrectly rendered WaterInfoTexture. The WaterInfoTexture is part of the WaterZone actor. ...