Unreal Engine Issues
Unreal Engine Issues
Keep Playback Range In Section bounds can cause Actor Sequence range to be inclusive
UE - Anim - Sequencer - Feb 16, 2024FSequencer::UpdatePlaybackRange does not check the exclusivity of the new bounds when setting them, but UMovieScene::UpgradeTimeRanges does. ...
Sequencer- Crash on restoring state when a user has animated level visibility as well as skeletal animation on an actor in the invisible level
UE - Anim - Sequencer - Jul 16, 2024When a level sequence animates level visibility as well as skeletal animation on an actor within that sub-level, restoring state will first unstream the level, which will unregister the skeletal mes ...
Seam visible when using a material with BumpOffset on a Nanite mesh
UE - Graphics Features - Nanite - Sep 18, 2025When a material that uses BumpOffset is fed into the Emissive Color of Surface Opaque Default Lit material and then applied to a nanite mesh, a visible seam can be seen along edges and the intersect ...
Visible dithered quantization to remove banding in New Temporal AA Quality
UE - Graphics Features - Oct 6, 2015Since changing the temporal history buffer to 11:11:10 from FP16, it looks as there is visible dithered quantization to remove banding when rendering. (Taken from conversation on Forum Post linked f ...
Packaged Game crashes after user has upgraded to 4.7
UE - Foundation - Core - Mar 31, 2015It only seems to be this user's game that crashes when he packages or does launch on windows I have reproduced this locally. I honestly don't know why this repro's, but I have an example project a ...
Cannot import objects with Bezier Curve modifier from Blender
UE - Editor - Content Pipeline - Import and Export - Apr 13, 2015Objects with a bezier curve modifier register as having no triangles when imported to editor from Blender as an FBX. ...
NavMesh does not build correctly to SkeletalMesh collision
UE - AI - Mar 16, 2015NevMesh cuts out holes for collision incorrectly with Skeletal Meshes. Skeletal Meshes with "Can Ever Affect Navigation" set to true and that have a Physics Asset are capable of causing this. ...
Dithered LOD Transition Tooltip within the Material Editor is Misleading
The tooltip states, "Wether the material should support a dithered LOD transition when used with the foliage system." It is my understanding that the foliage system uses LOD dithering by default, a ...
LIVE: Importing this OBJ file crashes the editor
UE - Editor - Content Pipeline - Import and Export - Oct 22, 2014Importing the attached Fly.obj crashes the editor on OSX. Does not occur in Windows 7. Crashreport: 435809 ...
UBT reporting VS2012 as an unsupported compiler even when UAT was passed -NoCompile
UE - Foundation - Core - Jan 19, 2015The editor will pass UAT the -NoCompile flag when building a Blueprint only project, however UBT has been changed to throw an exception if it detects VS2012 as the only available compiler (UEBuildWi ...