Unreal Engine Issues
Unreal Engine Issues
OnActorSpawned is called prior to FinishedSpawning for PlayerControllers and actors spawned with bDeferConstruction set to true
UE - Gameplay - Oct 12, 2017When a PlayerController or any actor with bDeferConstruction set to true is spawned, OnActorSpawned.Broadcast is called prior to FinishSpawning which can cause issues as some components may not be i ...
Physics Linear Velocity functions from UPrimitiveComponent always return (0,0,0) velocity
UE - Simulation - Physics - Jul 30, 2024In Unreal Engine version 5.4, all Physics Linear Velocity functions inside PrimitiveComponent class are returning always a velocity of (0,0,0), even if the Body Instances are moving. This was workin ...
r.ScreenPercentage.Editor does not function
UE - Graphics Features - Jun 2, 2016Setting r.ScreenPercentage.Editor does not affect the upsampling/downsampling of the viewport in the editor. Regression: YES - the console command correctly adjusted the screen precentage in 4.11.2 ...
Initial Modules are clamped to a 0 to 1 time range
UE - Graphics Features - Sep 18, 2015The Initial Modules appear to be clamped to a zero to 1 time frame since 4.8 was released. Projects that are converted from 4.7.6 will have correctly working particle systems, but adding a new part ...
Dynamic Light placed inside of a Dynamic Static Mesh doesn't pass through the geometry
UE - Graphics Features - Jun 2, 2017Dynamic Light placed inside of a Dynamic Static Mesh doesn't pass through the geometry. The static mesh is not double-sided. User Description: It appears that in Unreal 4.16 one loses the ability ...
Blueprint Function Library does not save Struct default values
UE - Gameplay - Blueprint - Jan 25, 2017When a Struct is used as a Local Variable in a Blueprint Function Library, the defaults for its member variables are not saved. If, for example, I enter "3" for an Int member, and "Foo" for a String ...
Editor Periodically Has Performance Drops In Basic Scenes
Tools - Dec 27, 2019The Editor experiences performance drops even in the default basic level when left alone running. I experienced them every ~3 seconds. My graph didn't show the drops very clearly so the fps counter ...
UV Layout Changes on export from Engine to Maya and Max
UE - Editor - Content Pipeline - Import and Export - Jan 19, 2015The UV layout of a Mesh is altered slightly when exported from the engine. It becomes more noticeable on objects as their UV Islands shrink in size. Given a default full 0-1 unwrap it looks like t ...
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) ...
Delay when entering text into EditableText using Microsoft IME after switching between half-width and full-width characters
UE - Editor - UI Systems - UMG - Jul 14, 2023When adding text after switching from half-width to full-width input using Microsoft IME, there may be a delay of about 3 seconds before the text can be entered correctly. This is supposed to occur ...