Runtime Virtual Texture (RVT) baked mips using Streaming Virtual Texture (SVT) only bakes the base colour

UE - Graphics Features - Sep 13, 2024

Using Streaming Virtual Textures for the lower mips of an RVT using Base Color, Roughness, Normal seemingly leads to both roughness and normal being sampled as 0. This causes a significant shading a ...

Foliage mode instances not rendered until mouse up

UE - World Creation - Worldbuilding Tools - Foliage - Oct 30, 2024

New foliage is not visible when applying the paint tool and only shows up after the painting ends. ...

Check hit when setting push-model array from a different actor's blueprint

UE - Networking - Jan 31, 2025

This is due to the same reason behind [Link Removed], as the stack object is passed to MARK_PROPERTY_DIRTY rather than the array property's owner.  ...

Fatal error when creating listen server on an instance with a PendingNetGame

UE - Networking - Apr 28, 2025

This seems to occur because the PendingNetGame is not destroyed when the instance browses to the new level to start listening. In UEngine::LoadMap, UWorld::SetGameMode will create the game mode, pro ...

Using multiple SceneCapture2D with DLSS Enabled crashes UE

UE - Graphics Features - Nov 22, 2024

A licensee is reporting a crash (or rather a check fail) in Sceneview.cpp which happens with when a SceneCapture2D is used with DLSS enabled. He has a fix, and wants to share it with us for integrat ...

Editor window changes size each time the same project is opened

Tools - Apr 6, 2015

The editor window is slightly bigger each time you open the same project. This doesn't persist over to any other project. I also checked in 4.8 from p4, this also occurs in: 4.8 /UE4/Promoted-CL ...

Asset with child actor component (documentation actor) crashes upon level load

UE - Gameplay - Jan 18, 2016

Adding a child actor component of type Documentation Actor to a blueprint, then adding that blueprint to a level and saving will cause the editor to crash upon re-opening the map. CrashReporter: N ...

Converting a landscape to blueprint crashes editor

UE - Gameplay - Blueprint - Sep 17, 2015

Converting a landscape to a blueprint immediately crashes the editor. Frequency: 2/2 ...

If Master Pose Component is occluded, all target components stop animating

OLD - Anim - Aug 18, 2015

When using "Set Master Pose Component", child components only animate for a few seconds if the Master Component goes out of view of the player camera. In the attached project, the master pose compo ...

Editor freezes then crashes while attempting to save during PIE

UE - Gameplay - Blueprint - Jun 8, 2015

A level blueprint that has blueprint functions on keybound events freezes and crashes when in PIE and save is pressed. Frequency: 7/7 Crashreporter: [Link Removed] Note: If all level blueprint n ...