bDisableExposure Exposure bias on Mobile

UE - Platform - Mobile - Oct 12, 2018

There is this new variable. bDisableExposure which is set true when Feature level isn't SM5. Exposure bias should be supported on other platforms too. PR: https://github.com/EpicGames/UnrealEngine/ ...

[AI] Editor crash when moving BT nodes if the BB has a BlackboardKeyType_Object with a null BaseClass

UE - AI - BehaviorTree - Feb 28, 2023

The editor crashes if a BT is changed while its Blackboard has an Object type key with its BaseClass set to None (null). There is no warning or log alerting the user that setting the BaseClass to No ...

Material Parameter Collection does not correctly render in Widget BP

UE - Editor - UI Systems - Feb 23, 2015

If a Material Parameter Collection with a Scalar Parameter is used within a material and that material is called within a widget the scalar parameter will render with a 0 value, even when set to ano ...

Skel/Vert/Surf Module is spawning sprites at emitter origin

UE - Graphics Features - Nov 7, 2014

Even after assigning associated bones and mesh to the module, the emitter is spawning a number of sprites at the emitter origin. See Picture Attached This may be related to an earlier reported iss ...

Memory spikes when changing properties on a large amount of textures via Property Matrix

Tools - Jan 29, 2015

When changing a property on a large number of textures via the Property Matrix, memory usage can spike to over 26G. Tested in Main (Promotable-CL-2423505) Probably related to [Link Removed] ...

Crash when after playing media that requires a different conversion shader

Media Framework - Sep 24, 2016

The pixel format conversion code in MediaTextureResource is currently reusing the global bound shader state for different pixel shaders. This is not supported. There needs to be one shader state per ...

Binary-only plugins are not usable without including .build.cs files

UE - Foundation - Cpp Tools - UnrealBuildTool - Jan 22, 2015

We should support not having a source directory at all, unless the plugin needs to be linked against. Related to [Link Removed]. See also: https://forums.unrealengine.com/showthread.php?53710-Prebu ...

User created OSS plugins require modifying Engine now

UE - Online - Aug 24, 2018

This was discovered in live build and posted in UE Forums that based on changes to OSS, users (binary specifically) can no longer create their own OSS plugins as it requires modifying the Engine Sou ...

Structures don't save map elements that point to an asset reference

UE - Gameplay - Mar 15, 2019

Adding map elements to a structure does not retain the information after saving and closing the project. This only appears to happen after you add a considerable number of Map containers inside a st ...

image size does not appear to have any affect when a progress bar's image is set to tile

UE - Editor - UI Systems - Slate - Jun 15, 2015

When trying to set the image size for the image that is tiled in a progress bar, this does not appear to have any affect. The expected result would be for it to modify the size of the image so as to ...