Textures become darker on BSPs when converted to a Static Mesh using Baked Lighting

Tools - BSP - Jan 16, 2020

A BSP converted to a Static mesh shows a much darker texture material when built with Static/Baked lighting. This was reported and tested in 4.24.1 (CL-10757647). This was reproduced in 4.23.1 (CL ...

Using Snap Rotation displays the Rotation wrong (or calculates the Rotation wrong and losses precision) when the Y rotation axis is 90 degrees

Tools - BSP - Nov 7, 2019

Although the Details Panel shows the degrees wrong, the object seems to have done it's rotation correctly but not in the right degrees. It will rotate to the position specified but it goes the wrong ...

The Brush Clip doesn't slice in othrographic view

Tools - BSP - Jun 20, 2019

Brush clip slicing doesn't work whenever slicing in Left sided Othrographic view mode. Tested in 4.21.2 (CL - 4753647), 4.22.3 (CL - 7053647),  4.23 (CL - 6837701), 4.24 (CL - 7095658) ...

"Build" button causes "Validation failed" and breaks references of meshes in Sublevel according to a prescribed procedure

Tools - BSP - Feb 9, 2019

A licensee reported that "Build" button causes "Validation failed" and breaks meshes in a Sublevel according to a prescribed procedure. The process is quite complicated, but I can 100% reproduce thi ...

Geometry Pen Tool Duplicates Bushes On Grid Size 1 & 5

Tools - BSP - Mar 7, 2018

There is an issue occurring when creating brushes with the pen tool at grid size 5 where verticles or the brush shape itself seems to be doubled. This issue also occurs if the grid size is 1, though ...

[CrashReport] UE4Editor_Engine!UModelComponent::CalcBounds() [modelrender.cpp:750]

Tools - BSP - Nov 10, 2017

This is a trending crash coming out of the 4.18 release. Users have not provided any descriptions of their actions when the crash occurred. Source Context 742 FBoxSphereBounds UModelComponent ...

[CrashReport] UE4Editor_Engine!UModelComponent::CommitSurfaces() [modelcomponent.cpp:163]

Tools - BSP - Oct 26, 2017

This is a somewhat common crash that has existed since at least 4.14.. It appears related to an Undo operation on geometry. User DescriptionsUndoing a move of a boxbrush wall and staircaseundoing i ...

Geometry in sublevel created with "Load Level Instance" ignores level transform

Tools - BSP - Sep 26, 2017

Geometry in sublevel created with "Load Level Instance" ignores level transform. Other objects, such as Static meshes are affected by the transform. This issue is not a regression. Versions tested: ...

Non-solid brushes have collision

Tools - BSP - Sep 16, 2017

REGRESSION: No Brushes set to non-solid still have collision with the player. ...

[CrashReport] UE4Editor_UnrealEd!UEditorEngine::bspBrushCSG() [editorbsp.cpp:1188]

Tools - BSP - Sep 7, 2017

This is an infrequent BSP crash occurring for users in 4.17 User DescriptionsWas getting ready to creat a stic mesh from some brushes, did the align verticies, computer chugged on it a bit then edi ...