Unreal Engine Issues
Unreal Engine Issues
r.ShaderpipelineCache.StartupMode=0 does NOT work property
UE - Graphics Features - Sep 16, 2020r.ShaderpipelineCache.StartupMode=0 is a option for stop precompile using PSO Caching, but it doesn't work properly. After CL-5837455, FShaderPipelineCache::ResumeBatching() is always called in FEn ...
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 ...
Using the Set Position in Viewport changes anchor values to 0
UE - Editor - UI Systems - Dec 15, 2017When Using the "Set Position in Viewport" it changes anchor values of a widget to 0. This node seems like this should not be changing the anchor values, but it is unsure if this is intended behavior ...
[CrashReport] Crash on Mac during Editor load (out of memory loading Boot.ddc): Assertion failed: A.ArrayNum >= 0
UE - Foundation - Core - Jun 14, 2017This is a common crash occurring for Mac users in the 4.16 release. It appears to occur during editor startup. The below details are taken from user log files.LogFileManager:Error: Requested read of ...
Enum to Byte conversion returns 2 for the first enum then 4 then 6 and so on rather than 0, 1, 2, etc
UE - Gameplay - Blueprint - Sep 1, 2015Enum to Byte conversion returns 2 for the first enum then 4 then 6 and so on rather than 0, 1, 2, etc. This is a regression; does NOT occur in 4.8.3. Reproduced in 4.9.0 binary and Main (2675088) ...
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. ...
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 ...
[AI] PathFollowingComponent HasReachedInternal always returns false if agent's capsule height is 0 or nearly 0.
UE - AI - Navigation - Jun 21, 2022The result is that nothing states why the path returns blocked or pathfinding stops. There should be a log of at least a warning about the improper capsule setup. ...
Dynamic Materials created on level actors through binding actor to sequencer causes missing asset in multiuser and crash in editor
UE - Anim - Sequencer - Apr 1, 2024[2024.02.24-00.44.16:412][ 0]LogOutputDevice: Error: === Handled ensure: === [2024.02.24-00.44.16:412][ 0]LogOutputDevice: Error: [2024.02.24-00.44.16:412][ 0]LogOutputDevice: Error: Ensure condit ...
Material stats incorrectly flag 17/16 samplers even if GL4 allows 32
UE - Rendering Architecture - RHI - Jul 15, 2015From AnswerHub: Utilising 128 textures in a material does not work in Linux, its still limited to 16 (actual 12) on OpenGL platforms, I looked at the commit that implemented it and I don't see anyth ...