Incorrect resolution used because SetProcessDpiAware() is not called when bAllowHighDPIInGameMode=False

UE - Rendering Architecture - Aug 8, 2025

The incorrect resolution is used on computers with 4k monitors that use DPI scaling (default 150%) because the default for UE projects is bAllowHighDPIInGameMode=False which results in SetProcessDp ...

Comment boxes no longer allow pinning/unpinning of comment bubbles

UE - Gameplay - Blueprint - Jun 24, 2015

Comment bubbles above comment boxes no longer have an option to pin/unpin comment bubbles. This functionality allowed users to choose whether or not to show the comment bubble, which was useful for ...

Destroy Component node does not work on decals

UE - Gameplay - Blueprint - Jun 1, 2015

Destroy Component node does not destroy decals when called. ...

Child actor components cannot be individually selected in viewport

UE - Gameplay - Blueprint - May 28, 2015

If a child actor component is placed in a blueprint, that child actor component cannot be individually selected in viewport or scene outliner. ...

Engine Source is no longer part of xcodeproj

UE - Platform - Apple - Jun 15, 2015

Reported by a user on AnswerHub, but when creating a code project with Binary Install, the Engine source is no longer included/visible in the .xcodeproj. This does not occur on Windows with VS ...

Erractic Light Component Behavior in Blueprints

UE - Gameplay - Blueprint - May 11, 2015

You cannot PIE if you attempt to adjust the Intensity of a Light via the slider in a BP that is placed in the Level already. In addition the color slider does not stay open when editing values for ...

Shipping builds do not execute .exe

After playing with it and attaching in the debugger, it's sitting forever in MigratePreviousEngineIni(). It seems to be looping on DirectoryExists forever, likely here: while(PreviousVersion.GetMi ...

[CrashReport] Crash on Mac during cook - UEditorEngine::UpdateAutoLoadProject()

UE - Platform - Apple - Jun 6, 2017

This is a top crash on Mac. This crash has only occurred on the 4.16.1 release (there are no records of it in 4.16.0). Repro steps are currently unknown, but the crash occurs in Commandlet mode and ...

BinnedMalloc and BinnedMalloc2 performance on Linux is not good

UE - Foundation - Core - Jun 8, 2017

This test took 13 seconds using Binned2 and 10 seconds using Binned1. It took 0.06 seconds using jemalloc ...