Unreal Engine Issues
Unreal Engine Issues
Some debug modes do not work in PIE
UE - Platform - Mobile - Jan 9, 2024It looks like the output of the debug pass is ignored, and the final output from the last frame before the pass was enabled is displayed instead. If the pass is modified to return a different textu ...
Refraction breaks Translucent Sort Order without Separate Transparency Enabled
UE - Graphics Features - Jan 6, 2016With multiple Translucent Material sorted in 3-D space or via Transparency Sort Priority, if one of the materials uses refraction it will render on top of the others no matter position or sort prior ...
Vector Field Initial Rotation will always have the same initial rotations for each emitter instance
UE - Niagara - Nov 11, 2019The Vector Field Initial rotation module will have the same rotation for all instances of the same emitter. This is a regression from 4.22. ...
Particle System check for IsActive in Blueprints does not reset
UE - Graphics Features - Jan 4, 2016When using a particle system in a blueprint and then moving the particle system off screen and then back on there is the node "Is Active" that can check to see if the Particle is still active. When ...
Real Time Preview for Converted Vector Parameters not working
UE - Graphics Features - Dec 5, 2014The Real Time Preview of Converted Vector Parameters from the Material Editor are not currently previewing in the level viewport without re-compiling the material. ...
Particles: SetFloatParameter not always having an effect
UE - Graphics Features - Oct 7, 2015A licensee is trying to use Distribution Float Particle Parameters for the Noise properties of a Beam Particle. When trying to change these parameters in a Blueprint, some work, others don't. When ...
Decal Fading parameters are completely broken
UE - Graphics Features - Sep 20, 2020Invisible child components appear for one frame on scene capture 2D windows if another component is attached.
UE - Gameplay - Oct 1, 2015Invisible child components appear for one frame on scene capture 2D windows if another component is attached. ...
FDateTime instances are reset to default on hot reload
UE - Gameplay - Blueprint - May 31, 2017If an FDateTime variable is created in code and has a default value set in blueprints, any instance that is set to the blueprint default value changes to the code default on hot reload. This includ ...