Unreal Engine Issues
Unreal Engine Issues
Odd Refraction on Close Planes
UE - Rendering Architecture - Jun 7, 2023We're seeing odd refraction when we have two close planes where the front plane has a translucent shader with a refraction not equal to one. I've included a project with the following setup:Two equa ...
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 ...
Procedural Sound Wave Fails to Play when returning 0 bytes in GeneratePCMData callback
UE - Audio - Aug 2, 2016Returning 0 bytes in GeneratePCMData results in the procedural sound wave not continuing to play audio. Instead of returning 0, we need to return an empty buffer if the procedural sound wave doesn't ...
Media Plate Actor becomes blacked out when set to Spawnable in a Level Sequencer
UE - Virtual Production - Rendering - Jun 7, 2023saving a media plate actor set to spawnable in a level sequence causes the media plate actor to become black. there are two known workarounds 1. toggling the Media plate to Possessable, and Spawnabl ...
Component default data can be lost for a non-nativized Blueprint class that inherits the component from a nativized parent Blueprint class.
UE - Gameplay - Blueprint - Sep 5, 2018This is a regression that was introduced by the fix for [Link Removed]. The fix makes an invalid assumption that instances of components whose archetypes are inherited by a non-nativized child Blue ...
Enabling wifi while a game is running causes the Lenovo S939 to freeze or crash
UE - Platform - Mobile - Jan 5, 2016When turning on the wifi connection on the device, the game either crashes on the device or it'll freeze for about 15 to 30 seconds. Devices: 5231_S939 (ARM Mali-450 MP4; 4.4.2) - occurs on 2894_G ...
Camera Vector on Strata materials is rendering the wrong colors
UE - Graphics Features - Substrate - Jan 4, 2023Regression: Strata is new in UE5/Release-5.1, but recreating this on a normal material renders the same colors, so regression is no. According to a user the material is supposed to be rendering Blu ...
Handheld AR On IPad Has Dark Contrast Issues And Constant Screen Tearing When Mobile HDR Is Disabled
UE - Platform - XR - Mar 4, 2020When MobileHDR is disabled in a packaged AR project for iOS there is a big constrast with the brightness in the image and constant screen tearing. This is happening specifically with images captured ...
Removing a parameter from a blueprint function in a library can cause actor classes calling it to lose their parent or instance data
UE - Gameplay - Blueprint - Oct 4, 2018Compile errors caused by an actor calling a function with something hooked up to a removed parameter can cause that actor to lose it's place in the hierarchy. Typically, the actor will be fixed once ...
Functions in the Level Blueprint throw a warning on PIE
UE - Gameplay - Blueprint - Mar 3, 2015Functions in the Level Blueprint throw a warning on PIE: LogBlueprint:Warning: FMemberReference::ResolveMember (NewFunction_0) bSelfContext == true, but no scope supplied! Every function logs thi ...