Unreal Engine Issues
Unreal Engine Issues
Setting a float value with the meta tag "ExposeOnSpawn = true" on spawn doesn't retain the value
UE - Gameplay - Feb 25, 2022Float values with the meta tag expose on spawn aren't retaining their value when the value is set with a Spawn Actor node. It appears to only be floats. Maybe it has something to do with the change ...
bIgnoreAllPressedKeysUntilReleaseOnRebuild in Enhanced Input behaves unexpectedly during pawn possession
UE - Gameplay - Input - Jun 11, 2025This is a speculative bug report from the user. The fix for this is to re-do the work of 31224705 but in a better way. The "bShouldBeIgnored" flag is being overriden by the previous mapping's va ...
FVoiceSerializeHelper doesn't add references to AudioComponent instances
UE - Networking - Apr 28, 2015"FVoiceSerializeHelper doesn't add references to AudioComponent instances" ShooterGame crashes when following the repro steps provided by the licensee, listed below and on the UDN post. Crash image ...
Selected Objects Get Filled With Orange Color (Mac)
UE - Graphics Features - Nov 3, 2016When selecting actors in the scene they get filled with an orange color rather than the typical orange outline. This is unrelated to the setting "Selection Highlight Intensity" as the bug will sti ...
Levels lose folder hierarchy in Levels window on streaming method change
Tools - Mar 19, 2019In the Level Window, Sub Levels which are nested inside of a folder will lose their hierarchy upon changing their streaming methods. ...
Can't set "r.Shaders.Optimize" to false in UE5.4
UE - Rendering Architecture - Shaders - Jun 7, 2024The CVar "r.Shaders.Optimize" cannot be set to false from DefaultEngine.ini in the section "[ShaderCompiler]" as its help text describes. Also tested on UE5-Main, CL: 34200103 ...
The collision of objects moving at high speeds seems to move in front of the object
UE - Simulation - Physics - Mar 9, 2015The collision of objects moving at high speeds seems to move in front of the object. The faster the object is moving, the further the collision will be from the mesh. AnswerHub report: https://an ...
Some texture files cannot be exported from the editor
Tools - Feb 4, 2015There are instances where some texture files cannot be exported from the editor. In this older post a user had reported this with the file T_Sky_Blue from the engine folder. Only this file has been ...
Select node pins can silently change type on reload and break a previous connection.
UE - Gameplay - Blueprint - Apr 12, 2017Same issue as in [Link Removed], only this is a different node implementation that attempts to replicate similar behavior. There are a couple differences in behavior here though; notably, that the c ...
Lack of multi-bounce when using software traced lumen radiosity
UE - Graphics Features - Lumen - Apr 4, 2025Certain Lumen Hardware Ray Tracing CVars, when disabled in isolation, will not fall back to tracing the Global Distance Field, because the Global Distance Field is still disabled. The function "Lum ...