Unreal Engine Issues
Unreal Engine Issues
Copy-pasting custom property nodes (ControRig etc.) results in invalid bindings, perf issues
UE - Anim - Rigging - Control Rig - Jul 28, 2025From this UDN: [Link Removed] Suggested fix:Override PostPasteNode to perform the GUID update andAdd validation on load to strip 'invalid' copies that do not correspond to a valid pin input ...
Blueprint PaperTileMap Component not Rendering while in Mobile Preview or Launched on Device
UE - Gameplay - Paper2D - Jun 12, 2015A blueprint with a PaperTileMap component will not render when played through the 'Mobile Preview' or as a packaged project. If the Tilemap alone is dragged into the viewport it renders fine when p ...
Adding a code class derived from AnimInstance to a project created using the code Vehicle template will cause the Visual Studio build to fail.
UE - Gameplay - Dec 1, 2014Adding a new code class derived from AnimInstance will cause the Visual Studio build to fail in a project based on the code Vehicle template. The build errors indicate that there are problems in the ...
Gradual drop in Performance on Windows 10 projects after Toggling Fullscreen
Tools - Nov 30, 2015It seems that when working in any project on a Windows 10 machine, there is a gradual rise in frames per second and a consistent drop in performance. The user reporting this issue claims his frame ...
Same-named variables of other classes listed as references in blueprint
UE - Gameplay - Blueprint - Aug 14, 2015If a variable in a blueprint is the same name as a referenced variable from another blueprint, using "find references" on the local variable will return references to both the local and the external ...
tvOS is missing prebuilt ssl libraries
UE - Platform - Apple - Apr 4, 2024tvOS should include the libssl.a libs as part of the install build. ...
Use Complex as Simple isn't working for dynamic objects
UE - Gameplay - Apr 21, 2015Use Complex as Simple isn't working for dynamic objects. However, if not simulating physics, collision works correctly. Same as TTP# 229782 that wasn't moved to JIRA. ...
Error when zooming out in orthographic view in 5.4
UE - Editor - Jul 29, 2024In 5.4: zooming out far with the mouse wheel after setting the editor viewport to orthgraphic view triggers an ensure: ensure(InOrthoZoom >= MIN_ORTHOZOOM && InOrthoZoom <= MAX_ORTHOZOOM); Th ...
Reduced Tessellation at edge when using world displacement
UE - Graphics Features - Jan 11, 2016Adding a material to a mesh that is affected by world position offset has reduced tessellation around the meshes edges. This is seen when viewed in wireframe and is influenced based off of the angle ...
Crashes upon project start up
Tools - Feb 10, 2015Crash Report: [Link Removed] After downloading latest revision, user is no longer able to open project due to constant crash. ...