Unreal Engine Issues
Unreal Engine Issues
Blueprint function input default values only a text field
UE - Gameplay - Blueprint - Mar 2, 2015When you create a new variable you get a useful default value specification option for the given type. However, for a function input the values are just a string which requires knowing the arcane s ...
UWorld Async Sweep functions missing the FQuat parameter
UE - Simulation - Physics - Jul 22, 2019The UWorld Async Sweep functions are missing the FQuat Rot parameter of their sync counterparts and the Sweep, Overlap, and Async Overlap functions are missing param comments for their rotation para ...
GAS: FGameplayAbilitySpecHandle lacks invokable serialize function
UE - Gameplay - Gameplay Ability System - Dec 15, 2023FGameplayAbilitySpecHandle is a struct that can be replicated by-design to identify a granted GameplayAbility in server-client communication. This works fine with default struct replication using FR ...
GetHMDDeviceName function's name is no longer accurate, is confusing
UE - Platform - XR - May 30, 2018UHeadMountedDisplayFunctionLibrary::GetHMDDeviceName() says it returns the "device" you are using, but it really returns the name of the SDK or XR System that you are using (for example launching o ...
Niagara Component can crash if ticked with a null tick function
UE - Niagara - Mar 12, 2021Niagara components don't null check their tick functions, and can cause a crash as a result. Compare to UParticleSystemComponent::TickComponent which does. It's fairly common in the engine to pass n ...
Ease Function resets Blend Exp on Restart
UE - Gameplay - Blueprint - Jan 27, 2015The Ease Node when set to use the Function Ease In, Ease Out or Ease InOut the Blend Exp will reset to 2.0 on each editor reload. It will even break variable inputs to return to 2.0. Reproduced in ...
Crash when using Landscape when building lighting with commandlet
UE - Graphics Features - Jun 6, 2016When using the new Rebuild Lighting commandlet will cause a crash with any level that builds when it has a landscape in the scene. https://github.com/EpicGames/UnrealEngine/commit/f89256dd0efb7d0b ...
Blueprint Class functions are overridden in packaged shipping project.
UE - Gameplay - Blueprint - Mar 14, 2015When using a child blueprint that calls a parent blueprints tick and its functions, The event is not being called if you package the project for shipping Win (32-Bit) Pictures of the Parent BP are ...
In Persona, the lighting rig rotation changes when switching between profiles
OLD - Anim - Jan 19, 2017When the user switches between profiles in Preview Scene Settings, the lighting rig rotation changes randomly, and doesn't stick with the rotation that was set in the profile. ...
Stationary Lights are causing shadowing errors with Movable Objects
UE - Graphics Features - Feb 11, 2015Stationary Lights are generating shadows with flickering black square and vanish shadows altogether on movable objects in the Preview of 4.7p6 and in the newest Release Branch of 4.7 (2439472). The ...