Changes to code during a compile are not registered if compile is canceled/restarted

UE - Foundation - Cpp Tools - UnrealBuildTool - Jul 31, 2015

While the editor is compiling a hot reload, if project code is changed and the compile is canceled, code changes are not reflected upon next editor compile. ...

Console Command 'ModifySoundClass' is Unrecognized

UE - Audio - Mar 23, 2015

When running a game in the editor and using the Command Console 'ModifySoundClass', the console returns saying the command is unrecognized. It is my understanding, that even if you do not create ne ...

2 GB/hr Memory Leak on levels that are not enclosed

UE - Graphics Features - Feb 19, 2016

2 GB/hr Memory Leak on maps with no Sky Sphere or Atmospheric Fog to occlude empty space. The leak also occurs during general usage, but was tested with a blank project and an absolutely blank leve ...

When playing matinee, scrubbing can cause sound to keep playing when it isn't triggered

UE - Audio - May 31, 2016

When playing matinee, scrubbing can cause sound to keep playing when it isn't triggered Note: This was entered as a bug to re-work the fix from the pull request found here: [Link Removed] ...

A sampling result of DistanceFieldAOHistory is shifted to a wrong position.

UE - Graphics Features - Aug 21, 2024

DistanceFieldAOHistory introduces ghosting at low scalability and low screen percentages. This can lead to AO artifacts and a ghosting effect from the character. This issue was also observed on //U ...

Packaged size of project is double its size when packaging for Shipping Windows (32 bit)

UE - Foundation - Core - Mar 9, 2015

When you package a project in 4.6.1 for Windows (32 bit) shipping, the file size is around 160 MB. When you package a sample project in 4.7.2, the packaged size will be around 345 MB. [Link Remove ...

Blueprint heatwire effects do not work when touching user macros

UE - Gameplay - Blueprint - Jul 21, 2016

Heatwire effects do not work for execution wires touching user macros. Native macros do not exhibit this behavior. Note: This is with BP Profiler turned off. ...

UForceFeedbackEffect is only making slight vibration in iOS when value rises from 0 or effect is started.

UE - Platform - Mobile - Jun 11, 2019

UForceFeedback is expected to give vibration just like in the graph of the asset. But only in iOS it is not. It is expected to give continuous vibration following the forcefeedback asset, but only ...

Warnings appear when playing a Sequence while in PIE

UE - Anim - Sequencer - Apr 24, 2017

While executing [Link Removed] Sequencer - Recording - Basics - Template – attempting to view a recorded sequence while in PIE triggers a set of warnings each time the play button was pressed. LogUO ...

SWorldPartitionEditorGrid2D causing editor to crash

UE - World Creation - Worldbuilding Tools - World Partition - Mar 13, 2023