Unreal Engine Issues
Unreal Engine Issues
Arithmetic assignment operators (e.g. +=, *=) in Niagara inputs are applied twice .
UE - Niagara - Jan 9, 2024Arithmetic assignment operators seem to be applied twice when committed in the Niagara stack. This occurs when entering *= 2.0 for example into a float input. This may be the result of the SNiagar ...
World Delta seconds appears to Cause a miss calculation (regression 4.12.3 -> 4.12.4)
UE - Gameplay - Jul 1, 2016If the user uses world delta seconds in a calculation there appears to be some incorrect values. Note there is also a users project attached if you would like to look at that example. ...
Stereo layer appears to move when used with the Oculus Rift
UE - Platform - XR - May 17, 2018Stereo layer appears to move/slide as the player moves the HMD from side to side when using the world locked setting for the stereo layer. ...
Crash on startup with a Blueprint deriving from an abstract class with a SpriteComponent
Tools - Feb 7, 2018Appears to be an issue with load order and the timing of when we populate the 'ShowSpriteCommands' and 'SpriteIDToIndexMap' containers, which we assert on if they're not the same size. The original ...
Feature Request: Make WASD movement cancel out movement when you press keys in opposite directions
UE - Gameplay - Input - Feb 3, 2023slack discussion: [Link Removed] ...
Editor crashes opening MyCharacter BP after converting to 4.5
UE - Gameplay - Blueprint - Nov 4, 2014On a Mac, when opening a custom character blueprint from a project that has been converted to 4.5 from a previous version of the engine, the engine immediately crashes. ...
Particle Parameter Won't Update If Used With EventReceiver Spawn
UE - Niagara - Jan 26, 2017Particle Float Parameter for the EventReceiver Spawn doesn't update when accessed via blueprint it just retains whatever default value is assigned in cascade. I've confirmed other modules work as ex ...
AddComponent node doesn't work correctly with macro libraries
UE - Gameplay - Blueprint Compiler - Apr 25, 2023This is a unique problem with macro libraries and the AddComponent node. It would appear that the issue has to do with the MakeNewComponentTemplateName function that we use when we create these func ...
GetActorsPerception useless in 4.7
UE - AI - Mar 11, 2015The new AI Perception system's BP API, marketed in release notes, depends on UAIPerceptionComponent::GetActorsPerception, that, as one AnswerHub user points out, is useless due to a buggy condition ...
8.1 Advanced asset creation selection is flickering a duplicate selection
Tools - Apr 26, 2017Workaround Seemed that closing and reopening the project resolves this issue This is NOT a regression as it happens in 4.15.2 ...