Metdata 'ForceAsFunction' does not prevent conversion to event

UE - Framework - Blueprint Editor - Mar 6, 2025

Quote from the UDN: This is easily fixed with a conditional in bool FBlueprintEditor::ConvertFunctionIfValid(UK2Node_FunctionEntry* FuncEntryNode) which we've done locally, but should probably be ...

Framerate drops noticably when using Retopologize tool

UE - LD & Modeling - Terrain - Landscape - Jul 18, 2016

Significant framerate drop occurs when attempting to utilize the retopologize tool on landscapes. This occurs even when the landscape has remained completely unaltered. Other landscape tools experie ...

Reimport factory not being called for import enabled by plugin

UE - Editor - Content Pipeline - Import and Export - Apr 25, 2016

A user reported a problem that started occurring with 4.10 and didn't occur in 4.9.2 (Was unable to get a project in 4.9.2 and thus unable to confirm his claims, therefore I'm not marking this as a ...

Using a Custom Game State Disables Tick for Other Blueprints

UE - Gameplay - Blueprint - Jan 5, 2017

Using a game mode that contains a custom game state rather than the default seems to be disabling tick for other blueprints such as characters and actors. Whenever the project is using a custom gam ...

Expandable Area does not respect scrollbox boundaries unless set to fill

UE - Editor - UI Systems - Dec 13, 2017

There is an issue where Expandable Area does not respect scrollbox boundaries unless set to fill. This occurs when the scrollbox is a child of another component. This issue does not appear to be a r ...

FHLSLMaterialTranslator::GetMaterialEnvironment can crash or not load UMaterialParameterCollections

UE - Rendering - Architecture - Materials - Apr 30, 2025

In UE 5.5, the Editor may crash in FHLSLMaterialTranslator::GetMaterialEnvironment when loading materials with Material Parameter Collections, likely due to async loading. Calling ParameterCollectio ...

Path not found during exporting XMPs with the exportXMP command

RS - Alignment - Apr 8, 2026

Found in 2.1.1.11916 (R211). RS fails to export the XMPs when certain settings are remembered in RS (Attached rscofig file). This is a regression and didn't occur in the last RS 2.1 public release. ...

Landscapes do not render on PowerVR device

UE - Platform - Mobile - Sep 2, 2016

When using a level with a landscape on an Android Device with a PowerVR gpu the landscape is not rendering. This was reproduced with Asset# 4719Model: Galaxy S4 GT-19500GPU: PowerVR SGX544MP3OS: 4. ...

Blueprint variables get reset if not made Public

UE - Gameplay - Sep 5, 2018

When a blueprint variable is not set to Instance Editable, its value gets reset at runtime. This seems to occur because the variable OriginalCannonTransform seems to get reset/nullified after being ...

GoogleARCoreJavaHelper functions are not correctly exported publicly

UE - Platform - XR - Oct 31, 2018

The jni functions in GoogleARCoreAndroidHelper.cpp are not correctly exported, when we tried to build a Test project it failed with this exception:  java.lang.UnsatisfiedLinkError: No implementatio ...