Landscape Grass renders offset from Landscapes

UE - World Creation - Worldbuilding Tools - Foliage - Mar 24, 2020

Foliage spawned from Landscape Materials is rendering offset from the Landscape the material is applied to. I can reproduce this issue with or without Edit Layers enabled. I'm unable to reproduce ...

Thare are some case in which KeepState doesn't work propely if level sequence have multiple Shot and Transform Tracks

UE - Anim - Sequencer - Feb 16, 2021

if fulfilling following conditions, KeepState setting of transform track doesn't work.level sequence have 3 or more shot have camera track and actor track have transform tracktransform track of acto ...

Nanite Landscape crash on save

UE - Graphics Tools - Terrain - Landscape - May 21, 2024

UDN description:When landscape is flagged as Nanite enabled but nanite mesh has not been built yet, a save operation (or an auto save) triggers a fatal failed check in ULandscapeNaniteComponent::Ini ...

Crash when importing material assigned to FBX with illegal characters through the Full Scene Importer

UE - Editor - Content Pipeline - Import and Export - Jun 21, 2016

If you have an illegal character (/ or ?) in your material name embedded with your FBX the editor will crash when using the new Full scene importer and selecting the Materials Tab. Tested in and ...

[CrashReport] Assertion due to failing to find shader type

UE - Graphics Features - Apr 26, 2017

This is an early trending crash in the 4.16 Preview. User information has not been provided, but this shares similarities to an old jira [Link Removed]. Source context: 1434 /** Finds the ...

"REFLECTION CAPTURES NEED TO BE REBUILT" is displayed on a cooked game.

UE - Graphics Features - Lumen - Jul 29, 2020

This issue occurs when streaming levels including reflection captures are displayed with  delay. When it finishes loading assets, reflection capture textures are uploaded to the GPU. Then the leve ...

Add Chunks button in asset audit tool does not function because of name compare problem

UE - Editor - Content Pipeline - Content Browser - Aug 5, 2020

The Asset Audit window uses the content browser to display information about both real assets and fake assets like chunk definitions. When you hit the Add Chunks button, it adds several fake assets ...

Lyra standalone game instance crashes when Player #2 equips new weapon

UE - Gameplay - Input - Apr 5, 2022

Discovered while testing Lyra project for //UE5/Main - Foundation Shelf - FAssetDataGatherer Stall Fix Smoke. This issue is NOT dependent on the shelf and occurs without the unshelved files. This ...

[CrashReport] UE4Editor_LevelEditor!FMulticastDelegateBase<FWeakObjectPtr>::RemoveAll() [multicastdelegatebase.h:81]

Tools - Oct 26, 2017

This is a trending crash in 4.18.0. One case of this callstack occurred in 4.17.1, but then numerous have occurred in 4.18. Users have not provided any descriptions of their actions when the crash ...

Crash launching ES31 app on Android

UE - Platform - Mobile - Apr 9, 2018

This has occurred so far using ES31 with Launch On to Android. It didn't occur with ES2 or Vulkan.Error: === Critical error: === Error: Error: Fatal error: [File:D:\Streams\Fortnite_Staging\Engin ...