Unreal Engine Issues
Unreal Engine Issues
Sequencer: Undoing creation of a new section can call section drawing code with viewmodel tree in invalid state
zComponent - Archive - Aug 1, 2024The Section reference in ISequencerSection::GetSectionHeight can be in the process of garbage collection during an undo of a section addition- this causes things like GetTypedOuter<UMovieSceneTrack> ...
iOS devices and Android devices return a 90 degree difference when getting gravity through a "Make Rotation From Axes" node
UE - Platform - Mobile - Mar 10, 2015A user has a project that gets the rotation of the device through the gravity node and when they run Get Gravity through a "MakeRotationFromAxes" node the number that is returned has 90 degree diffe ...
TSoftObjectPtr instance loses reference after ClientTravel
UE - Gameplay - Apr 3, 2018If a TSoftObjectPtr on an instance has a reference to another instance in a level, that reference will be lost when a client travel is performed to travel to that level. Regression?: No This occurr ...
Simulated physics after a delay causes physics objects to fall through one another if their collision is overlapping
UE - Simulation - Physics - Apr 25, 2016Actors that simulate physics after a delay will fall through other physics actors if their collision is touching or overlapping. Note May be related to [Link Removed] Regression? (No), issue (doe ...
Second Animation Sample added to AimOffset or Blendspace swaps with the first sample
OLD - Anim - Oct 3, 2016Second Animation Sample added to AimOffset or Blendspace swaps with the first sample Note: After adding a 3rd sample, they switch back to the correct position. Regression: Sort of. In previous ...
Can't change to Orthographic View when viewing Character assets in Editor
OLD - Anim - Nov 20, 2017When attempting to view an Animation Blueprint, Skeletal Mesh, or Physics Asset in any of the Orthographic views the Editor remains in Perspective View. This is a regression as the issue was not pre ...
Matinee: Animation keyframes cannot be added after opening a new asset editor in the same window
Tools - May 31, 2016When opening a new asset editor in the same window as matinee, the 'Add Key' button for animation tracks will no longer function. This is due to FSlateApplication::ActiveTopLevelWindow being reset a ...
LineTraceSingleByChannel does not correctly use the collision response set for the channel being traced on
UE - Simulation - Physics - Nov 28, 2017There appears to be an issue with how raycasts are performed within PxScene. When performing the trace, only the collision response for the first ECollisionChannel seems to be considered. If all col ...
Projectiles transferring additional velocity when stepped on.
UE - Gameplay - Jul 10, 2015If a player steps on projectiles they have their velocity overridden and are launched away from the projectile. ...
Changing the scale of a single HISM instance greatly affects the LOD selection of all instances
UE - Rendering - Architecture - Sep 22, 2025When using ISMs and HISMs, each instance can have its own transform, which can affect the LOD selection of one or more instances. For HISMs in particular, changing the scale of a single instance gre ...