Unreal Engine Issues
Unreal Engine Issues
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 ...
TestEqual(TCHAR*, TCHAR*) function is testing pointer equality instead of values
UE - Automation Test - Oct 1, 2018A licensee has reported that the TestEqual(TCHAR*, TCHAR*) function tests for pointer equality instead of comparing two values, which does not accomplish what the function is meant to do. Regressio ...
Add Particle System Component Template Context not functioning
UE - Gameplay - Blueprint - May 4, 2015Also Reproduced in Main Promotable-CL-2535351 In the Add Particle System Component node, there is a Component Template Context input which does not seem to function and establish a template for the ...
Particle light flickering with certain Post Process Settings
UE - Graphics Features - May 23, 2016Particle lights cause flickering when using either FXAA or no AA, but turns into black squares on the screen when you enable Gaussian Blur Regression: Yes, does not occur in 4.10 ...
LIVE: Reflection Capture are not working with moveable directional light on mobile
UE - Graphics Features - Nov 3, 2014When a Directional Light is changed from static to movable, the materials in the level will appear dark. ...