Crash: Corrupt asset/map data is no longer correctly detected and handled

UE - Foundation - Core - Oct 27, 2016

Corrupted data was previously handled gracefully without crashing, but in 4x14 the same data crashes the editor. ...

Moving RecastNavMesh in the level and then toggling Display settings causes the navmesh to move in the level

UE - AI - Apr 2, 2018

If the user moves the RecastNavMesh actor in the level, the navmesh will be offset each time they change a Display setting in the Details panel. ...

Niagara Simulation Stage + DynamicMaterialParameters crash

UE - Niagara - Feb 6, 2021

deleting the code "&& SimulationStages[i]->bEnabled" in UNiagaraEmitter::GetScripts will bypass the problem [Image Removed] ...

Disabling 'Use Landscape Lightmap' option Skewing Procedural Foliage Instances

UE - LD & Modeling - Terrain - Landscape - Oct 24, 2016

Disabling the 'Use Landscape Lightmap' when using procedural foliage, will skew the placed instanced meshes. Regression? Yes, this issue did not occur in the 4.13.1 release. ...

Ensure triggered with multiple AddInstance() calls for InstancedStaticMeshComponent

UE - Graphics Features - May 20, 2016

Adding multiple instances to instance static mesh component in a code class causes an ensure to trigger when an instance of the class is added to the level. ...

4.22.1 Crash in FVulkanResourceMultiBuffer::Lock

UE - Rendering Architecture - RHI - Jul 31, 2019

Vulkan Multibuffer Lock mechanism for ReadOnly does not appear to be implemented. Temporary workaround has been provided to licensee. ...

[Standalone Installer] The binaries for Mac are missing

UE - Editor - Content Pipeline - Datasmith - Installers - Mar 1, 2022

Cached component instance data transform did not match! Warnings in Content Examples

Docs - Samples - Oct 27, 2016

Lighting is unbuilt in all levels in Content Examples. Multiple warnings appear in the log "Discarding cached lighting data which will cause lighting to be unbuilt" LogStaticMesh:Warning: Cached co ...

Ad banner is displayed incorrectly on Android 7.0 devices

UE - Platform - Mobile - Feb 24, 2017

GameActivity.java needs to be updated to show the ad popup window on Android 7.0 devices. GameActivity.java uses Gravity.BOTTOM or Gravity.TOP to place the ad. One thing to try would be to edit ...

Compiling on Mac fails if build path has spaces

UE - Platform - Apple - Jan 6, 2015

UPDATE: We were able to get around this issue by renaming our external drives. The actual problem is that Mono's xbuild fails to build UnrealBuildTool QA REGRESSION: YesWORKING: 2386770BROKEN: 23 ...