Enable Sound editor preference does not disable sound during PIE

Tools - Sep 26, 2016

When Enable Sound is disabled in the editor preferences, sound is still played during PIE sessions. This setting does not work as expected back to 4.9, but worked in 4.8. ...

[CrashReport] UE4Editor_PropertyEditor!FDetailCategoryImpl::GetParentLayout() [detailcategorybuilderimpl.h:166]

Tools - Aug 22, 2017

This is an intermittent crash occurring in the 4.17 release. Users have not provided any descriptions of their actions when the crash occurred. The callstack is similar to [Link Removed], fixed i ...

DistanceFieldBentNormalAO does not appear to work with imposter UVs

UE - Graphics Features - Aug 26, 2021

I have not entirely ruled out any issues with the imposter material in the repro, there's a chance this is related to the normal rotations, but turning off distancefields entirely does fix the issue ...

Incorrect mesh offset behavior when playing a forward start after following "Adapting Lyra animation to your UE5 game"

UE - Anim - Gameplay - Oct 13, 2022

See the answer in the UDN: [Link Removed] We may want to update the blog post with a suggested fix, or wait until the automatic root offset tech is production ready. ...

GPU particles disabled on Quest

UE - Niagara - Feb 9, 2024

GPU particles were disabled on Quest 1 due to a compute issue. We need to validate / fix issues for Quest 2 / Quest 3. Reported in [Link Removed] ...

Poor Vulkan RHIThread performance in Development builds on some Android

UE - Platform - Mobile - Dec 10, 2024

Community-attempted workaround received in [Link Removed] Correct fix submitted to 5.6 FNMain in [Link Removed] which needs integrating into 5.5.3. ...

Components defaults not updating on hot reload

UE - Gameplay - Blueprint - Apr 11, 2017

Certain values, when changed in code, are not updated in a hot reload. For example, changing the Target Arm Length of a spring arm component will updated after hot reload, but changing the Scale do ...

Scroll widget into view will cause a crash is given a null value

UE - Editor - UI Systems - Sep 25, 2015

If the user uses "Get child at" with an invalid index and then hooks up the return value to a "Scroll Widget into View" node's "Widget to Find" pin it will cause a crash ...

Using an integer that is higher than the total members in an enum to select an enum will cause a crash

UE - Gameplay - Blueprint - Sep 21, 2015

If the user uses an integer to select a member of an enum, the enumeration will crash if the integer is higher than the number of members in the enum. ...

Using NewObject inside PostInitProperties causes the editor to crash

UE - Gameplay - Blueprint - Oct 23, 2015

Using NewObject inside PostInitProperties and creating a BP of the class will cause the editor to crash on PIE if the BP is is set in gamemode defaults ...