Transform Origin Scale on the Level Sequencce Actor's Instance Data can affect rotations

UE - Anim - Sequencer - Apr 30, 2025

Scale is used as part of the rotation calculation for transform multiplication, and it can have an effect in the sequence transform origins. It's expected that scale is completely ignored, and shou ...

Contact Shadow artifacts with ray lengths despite length

UE - Graphics Features - Nov 17, 2016

Contact Shadows have more shadowing errors with lower to mid values than in 4.13 release when the feature was still considered experimental. Even low Contact Shadow Length value is causing issues. ...

SampleCurve And SampleColorCurve Nodes Missing In Niagara Module Scripts

UE - Niagara - Mar 19, 2020

In a Niagara Module Script the "Sample Curve" and "Sample Color Curve" nodes cannot be found. They were findable in 4.24 prior to 4.24.3. This seems related to this ticket. Found in 4.24.3 CL#11590 ...

Editor crashes when exiting and having a widget blueprint open.

UE - Editor - UI Systems - Dec 22, 2015

This is a top crash occurring in the 4.11 Preview Editor crashes when exiting and having a widget blueprint open. Regression: Yes does not occur in 4.10.2. ...

Play button stays highlighted after PIE has ended

Tools - May 13, 2016

Play button stays highlighted after PIE has ended until the user moves mouse over the Play button again. Regression (Yes) issue (does not) occur in 4.10.4. ...

Draw Line in HUD does not respect alpha < 1.0

UE - Gameplay - May 2, 2016

Draw Line in HUD does not respect alpha < 1.0, instead drawing completely opaque in all circumstances. Regression (No) issue (does) occur in 4.10.4 ...

Triggerbox volume incorrectly forces physics objects to act at rest

UE - Simulation - Physics - Apr 9, 2016

If a phsyics actor set to start awake is placed at the top of a trigger box, it will remain at rest. Regression? (No), issue (does) occur on 4.10.4 ...

Reimport for a single FBX with multiple meshes will add all mesh pieces instead of the single mesh.

Tools - Nov 21, 2016

When using a single FBX with multiple meshes that is imported as individual meshes, if you reimport after updating only a single mesh or a few of them the entirety of FBX will be imported and added ...

Precomputed lighting is not saved when using Save As or Duplicate for levels

UE - Graphics Features - Sep 30, 2016

Lighting is invalidated with levels that have been duplicated or Saved As. The maps that are created are immediately marked dirty and need to be resaved vs how they were in 4.12.5 where they wouldn' ...

The Gradient Paint Tool In Cloth Simulation Doesn't Work On Mac

UE - Simulation - Physics - Feb 28, 2020

The Gradient Tool rotates the camera on Mac instead of painting the Gradient End Value. I wasn't able to test in Main on a Mac. There were no issues on Windows in 4.23.1, 4.24.3 and 4.26 Main. Foun ...