Unreal Engine Issues
Unreal Engine Issues
Subtracting .2 from a float produces a floating point error
UE - Gameplay - Blueprint - Feb 1, 2016Subtracting .2 from a float seems to produce a float error, registering incorrect values during if checks. ...
Foliage Instance Static Meshes do not affect the Navmesh
UE - AI - Navigation - Apr 25, 2022Foliage Instance Static Meshes do not affect the Navmesh. I tried changing the Custom Navigable Geometry to 'Yes' & 'Even if Not Collidable' but got the same results. Repro Rate: 4/4 Tested this i ...
Crash when enabling global logging in 5.4.2
UE - Foundation - Jul 3, 2024Packaged projects on 5.4.2 (DebugGame) crash immediately on startup when it is opened through the command line using the global logging very-verbose argument. ...
Overridden mesh values are lost when upgrading from 5.5.0/5.5.1 to 5.5.2 on blueprint skeletal mesh components
UE - Anim - Runtime - Jan 30, 2025This issue is caused by the backout in 38341618. The original code that went into 5.0 affects serialization by changing the UCS modified properties. When upgrading, the override is lost because th ...
Nav Modifier Volume Not Affecting Nav Mesh Until it is Moved
UE - AI - Oct 21, 2016Nav Modifier volumes are not affected the nav mesh until they are moved from their initial placement position. Found in 4.13.1. Reproduced in 4.12.5 and 4.15 Main CL 3163223 This is similar to [Li ...
TMaps with instanced objects: modifying instanced object data in child affects parent
UE - Gameplay - Blueprint - Jul 25, 2023Given a TMap where the value type is an instanced object: when a child blueprint is saved with modifications to the TMap, and then additional TMap are added to the parent blueprint and the child blu ...
Haptic effect for Oculus touch does not last longer than ~2 seconds
UE - Platform - XR - Jan 30, 2018Haptic effect for Oculus touch does not last longer than around 2 seconds even when set to a longer time. ...
Destructible meshes always affect navigation regardless of collision
UE - AI - Jan 27, 2016Turning off a destructible mesh's collision will still affect navigation around the destructible mesh Note: This issue is related to [Link Removed]. The workaround for that issue does not apply he ...
Drag coefficient on vehicle blueprints affects forward and reverse differently
UE - Simulation - Physics - Mar 31, 2016Drag coefficient on vehicle blueprints affects forward and reverse differently. If in reverse, it seems to be additive or multiplicative to the vehicle's movement as opposed to providing any resista ...
Shortcut for Swing1Motion (2, and 3) do not change physics asset state dirty.
OLD - Anim - Sep 8, 2017Shortcut for Toggle Angular Limits 1, 2 and 3 for Physics assets do not change phys asset state as dirty. ...