Unreal Engine Issues
Unreal Engine Issues
Custom Nav Area Not Affecting Nav Mesh Until Restart
UE - AI - May 2, 2016When using a Nav Modifier volume with a custom Nav Area class, the Nav Mesh is not being affected until the editor is restarted. Found in 4.11.2 binary. Reproduced in 4.12 Preview 1 binary and Main ...
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 ...
Nav Modifier Volumes continue to affect navigation when the sublevel is removed
UE - AI - Oct 13, 2016Nav mesh is still affected by a nav modifier volume when added to a sublevel and then the sub level is removed. Topdown character will not move into the space affected by Nav Modifier volume so not ...
Translating sockets in Persona is not affected by Snap Options
OLD - Anim - Dec 14, 2016In Persona, moving a socket around is not affected by any changes to snapping (scale or size). Rotation is affected however. ...
Crash opening a project (in 4.6.1) created in a newer version of the editor (4.7)
Tools - Feb 4, 2015This crash apparently occurs when a project either created or converted into 4.7 is opened in 4.6(.1). User quotes include: "booted up project. instant crash. " "trying to open a project made in 7. ...
Translating bones in Persona is not affected by Snap Options
OLD - Anim - Dec 14, 2016In Persona, moving a socket around is not affected by any changes to snapping (scale or size). Rotation is affected however. This is similar to [Link Removed], but according to James Golding there ...
Wire thickness settings appear to affect the wrong wires
UE - Gameplay - Blueprint Editor - Sep 28, 2017When changing wire thickness in the editor preferences the setting appear to affect the wrong types of wires. ...
Global illumination Postprocess settings doesn't affect Reflection on Mobile
UE - Platform - Mobile - Jul 29, 2019Postprocess GI related settings look like working in 4.22 on Mobile now, but seems buggy, Not sure if it has supposed to be supported on Mobile since it has no any info in Doc or 4.22's release note ...
NavMesh does not update properly when "Can Ever Affect Navigation" is toggled
UE - AI - Mar 27, 2015if I place a mesh with "Can Ever Affect Navigation" set to true, then set it to false, it will leave the NavMesh with a bugged "hole" that AI does not path around correctly (causing the "Blocked" er ...
'Affect Translucent Lighting' setting on Lights not working in Forward Renderer
UE - Graphics Features - Apr 30, 2017The option 'Affects Translucent Lighting' for lights does not seem to have an affect objects/materials using translucency. I tested this setting in the Deferred Renderer and it works as expected. I ...