[CrashReport] UE4Editor-MetalRHI.dylib!FMetalRHICommandContext::RHIEndDrawIndexedPrimitiveUP()

UE - Graphics Features - Nov 2, 2017

This is a trending Mac/Metal crash in the 4.18 release, although although it has existed with low frequency since at least the 4.16 release. Users have not provided any descriptions of their actions ...

Using a fixed frame rate will cause you to leave the loop section of Montage.

UE - Runtime - Animation - Dec 10, 2021

This problem only occurs when the fixed frame rate is 30 and the Sequence Lenngth of the loop animation is 1.66667. If turn off the fixed frame rate setting, it will behave as it should. ...

Renamed controls creating duplicate curves in sequencer that once fixed up cause selection issues.

UE - ACT Character - Control Rig - Mar 25, 2026

When a control is renamed after it has already been animated in a sequence, the control curve name map needs to be fixed up. Once it is fixed, selecting the control in the world will not map the sel ...

Integrate VirtualBones crash fix into next release patch

OLD - Anim - Jun 7, 2017

Athomas reached out to me with a crash he was having when trying his 'Automatic Sync Marker AnimModifier' on a Skeleton that had Virtual Bones. It was verified that this only happens when Virtual B ...

[CrashReport] UE4Editor_CoreUObject!FLinkerPlaceholderObjectImpl::FindRawPlaceholderContainer() [linkerplaceholderbase.cpp:161]

UE - Gameplay - Blueprint - Sep 27, 2017

This is currently among the top 10 crashes coming out of the 4.17.2 hotfix, affecting a few unique users, and this specific callstack does not appear to have occurred in 4.17.1. This may be a regres ...

LODBias causes landscape component to stop rendering if set >0 and Forced LOD set to -1

UE - LD & Modeling - Terrain - Landscape - Sep 12, 2016

LODBias causes landscape component to stop rendering if set >0 and Forced LOD set to -1. NOTE If Forced LOD is set to 0, the component renders correctly. ...

[CrashReport] UE4Editor_CoreUObject!FCompressedChunk::FCompressedChunk()

UE - Foundation - Core - Jul 24, 2017

This is a common crash affecting users in 4.16 and the 4.17 Previews. The two descriptions provided by users say their crash occurred after updating their project from 4.13. User DescriptionsUpgra ...

Strange crash occurring from project When upgrading from 4.16 to 4.17

UE - Gameplay - Blueprint Compiler - Aug 2, 2017

There are a string of crashes that are occurring with UMG as the cause of the crash. This occurs when the project is upgraded from 4.16 to 4.17. With the project provided making any change to the B ...

Packaged projects do not render in web page using Safari 10.0

UE - Platform - Mobile - Aug 9, 2016

My Macbook Pro uses an Nvidia GeForce 750M and was on Safari 10.0 when this occurred. This did NOT occur on a Macbook Pro with the same card and using Safari 9.1.2. This did NOT occur on an iMac wi ...

Animation Sequences in Sequencer Set to Frame 0 When Transform Curve is Moved

UE - Anim - Sequencer - Feb 7, 2018

-When a curve of a transform track is edited animation tracks set themselves back to start at frame 0. -Tested with scale to avoid interference with location -sequencer is not docked ...