Unreal Engine Issues
Unreal Engine Issues
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 ...
Particle disappears if it is using PSA_Velocity and setting custom time dilation 0
UE - Graphics Features - Dec 7, 2016A licensee reported some of their particles disappear when setting the actor's custom time dilation 0. This seems to happen when a particle is using PSA_Velocity as Screen Alignment. This repros in ...
Function input Bool loses checked value when updating from 4.16 to 4.17
UE - Gameplay - Blueprint Editor - Oct 17, 2017Licensee reported that when updating from 4.16.1 to 4.17.2 the value of a function input Boolean is being reset. It is checked as True in 4.16, but when switching to 4.17, it is no longer checked. ( ...