Unreal Engine Issues
Unreal Engine Issues
[AI] Crash when gathering heightfield geometry on worker thread
UE - AI - Navigation - Jun 25, 2025From the body of the ticket: We aim to do as much of the work off the game thread as possible to avoid impacting frame rate. We've recently found a crash during collection of the geometry slices fr ...
Assets are invalidated if named or renamed with a leading underscore
UE - Editor - Content Pipeline - Content Browser - Jan 12, 2017Renaming or naming assets with a leading underscore invalidates the asset. The assets will be renamed to "None" and report occupying 1KB in space. It is no longer possible to interact with an object ...
Landscape Resize Tool Stall
UE - Graphics Tools - Terrain - Landscape - Oct 3, 2023From licensee: We're trying to reduce component count on our landscape using the resize tool. When modifying the landscape execution never completes. When I hit pause and get a breakpoint to see wh ...
Cannot key font material for UMG Widget animations
UE - Anim - Sequencer - Sep 14, 2023Crash launching QAGame onto Windows
UE - Graphics Features - Mar 23, 2017The editor is crashing when launching onto windows. This is not occurring in Main. ...
Editor lock on destructible mesh spawn
UE - Simulation - Physics - Destruction - Mar 1, 2016Spawning an actor during TG_PrePhysics is added to TG_StartPhysics which leads to the editor locking up when multiple actors are spawned. ...
Problem importing broken FBX
UE - Editor - Content Pipeline - Import and Export - Nov 25, 2021An FBX exported from 3DEXCITE DELTAGEN fails to parse correctly in the latest FBX SDK and crashes the UE importer. This FBX is automatically repaired when loaded into Maya (citing "polygons with ov ...
Code classes with a portion of the project name and parent type cannot be created.
Tools - Feb 25, 2015When adding code to a project, class names cannot be used if they contain a portion of the project's names and the type of class of the parent. Message says that the name is already used by another ...
Tessellation Flicker When Viewed from a Distance
UE - Graphics Features - Sep 26, 2016Tessellated objects when viewed from afar flicker. When spawned into QA-Materials the player is the perfect distance away from the tessellated object for the cube to flicker. Found in both Binary 4 ...
Point Light Stationary Causes Shadow Jitter at a Distance
UE - Graphics Features - Sep 27, 2016The Point Light Stationary displays reveal a shadow jitter when viewed at a distance. Comparatively the other lighting displays do not have the same result when viewed from a distance. This appears ...