Crazy camera when zooming in/out the Sequencer

UE - Anim - Sequencer - Mar 22, 2024

If you add Static Mesh (cube) in this Level Sequence and click on it in Sequencer, you can observe the Spline Path that the cube is following is changing its shape when keys in Sequencer are zoomed ...

Opening a Level inside the ReferenceViewer does not Prompt the Save window if the Level is dirty.

UE - Editor - Applied Usability - Apr 15, 2024

If you right click on a level node in the reference viewer and choose edit, it will bypass prompting you to save unsaved changes in your current level, silently discarding all unsaved work. ...

UE5.4 Regression - crash when disabling shader optimization while raytracing is enabled on D3D12

UE - Rendering Architecture - Shaders - Jul 15, 2024

Certain interactions between a Rect Light with a Light Function and a Post-Process volume lead to a check() when compiling a Ray Tracing PSO for tracing lights. This check() only happens when shader ...

Params in material instance disappear when grouping is changed in material with a material layer

UE - Rendering Architecture - Materials - Jan 11, 2025

If there is a texture parameter within a specific material attribute stream in the base material and also within the base material layer, they must have the same parameter group otherwise the parame ...

Shader Symbols not Generated for Windows Platform when r.Shaders.Symbols=1

UE - Rendering Architecture - Shaders - Feb 28, 2025

Shader symbols are not generated for the Windows platform. Attempts were made to set the r.Shaders.Symbols=1 value in the projects DefaultEngine.ini, the engines ConsoleVariables.ini and the engine ...

Dragging Marquee in Orthographic Views results in Selecting Unintended Objects

Tools - Mar 17, 2015

In an orthographic view, dragging the marquee tool to select a group of objects will often result in other objects being selected outside the selection area. ...

Ragdoll Physics do not Function Properly on a Mirrored Skeletal Mesh

UE - Simulation - Physics - Dec 1, 2015

Selecting the default character/skeletal mesh (or any skeletal mesh) in the viewport, right-clicking and transforming it so it mirrors on the X,Y, or Z axis will cause the physics to act erratically ...

Setting the brush type of a custom volume BP causes the editor to crash

Tools - Nov 17, 2014

Setting the brush shape of the root component for a custom volume BP causes the editor to immediately crash. ...

Projectiles transferring additional velocity when stepped on.

UE - Gameplay - Jul 10, 2015

If a player steps on projectiles they have their velocity overridden and are launched away from the projectile. ...

Static mesh created from bsp will not properly duplicate if original copy of mesh in viewport is used

UE - LD & Modeling - Modeling Tools - BSP - Jun 1, 2015

If a bsp is turned into a static mesh and then the original mesh in the level is duplicated, it will register as duplicated in the world outliner but the mesh will not appear until re-assigned in th ...