Shadows cast on a translucent forward shaded materials renders with jagged edges

UE - Rendering Architecture - Materials - Mar 31, 2022

Shadows cast on a translucent forward shaded materials renders with jagged edges. In 4.27 the edges are different with some jagged points only those points are not as prominent. [Link Removed] ...

Reimporting creates new Material Slots instead of overwriting.

UE - Editor - Content Pipeline - Import and Export - Jun 25, 2014

CHANGELIST: 2114974 BRANCH: UE4 - Main DESCRIPTION:                              Using the Reimport LOD1 drop down in the Static Mesh Editor will create new material slots each time instead of ove ...

GPU System will kill existing particles if activate is called after it has be deactivated

UE - Niagara - Oct 22, 2020

Deactivating and then reactivating the same GPU system will cause existing particles to die. ...

Unreal Editor 5.4.4 crash when reproducing a LevelSequence in loop while PIE.

UE - Anim - Sequencer - Sep 9, 2024

A crash inside Unreal Engine Editor version 5.4.4 occurs when reproducing a Level Sequence while in PIE. This issue is a regression. It only crashes in version 5.4.4. It was working correctly in ver ...

Changing a Packaged Game from Fullscreen to Windowed at Runtime Causes Title Bar to Disappear

Tools - Jul 6, 2016

When changing a packaged game from Fullscreen to Windowed mode at runtime, the window is placed in the top left corner of the monitor and the title bar disappears. Setting FullscreenMode=2 in the G ...

Linear interpolation occurs on constant tangent curve partially

UE - Anim - Runtime - Feb 17, 2025

When using UV scrolling for a flipbook-like animation in Animation Sequence, creating keys with "Constant Tangent" settings on Curve Editor does not result in an instantaneous change to the specifie ...

Attach actor to actor with the transform set to snap to appears to offset when calling it multiple times on multiple actors

UE - Gameplay - Blueprint - Dec 13, 2016

Attach actor to actor with the transform set to "snap to" appears to offset when calling it multiple times on multiple actors. ...

Regression - Nav mesh is not generated on BSP brushes after loading a map

UE - AI - Navigation - Dec 18, 2024

In UE 5.5, when loading a map and selecting "Build – Build Paths", the nav mesh is not generated on any BSP brushes (although it is correctly generated in static meshes). This did not happen in earl ...

Regression - Nav mesh is not generated on BSP brushes after loading a map

UE - AI - Navigation - Jan 14, 2025

In UE 5.5, when loading a map and selecting "Build – Build Paths", the nav mesh is not generated on any BSP brushes (although it is correctly generated in static meshes). This did not happen in earl ...

Lighting Build fails with World Settings Error

UE - Graphics Features - Jan 16, 2015

Lighting Builds seemingly successfully but produces a Map Check Error for World Settings. There are several things that can be done to "eliminate the issue" and I have separated them into different ...