Setting a value Material Parameter Collection to Material will cause crash

UE - Graphics Features - May 2, 2016

Adding a Material Parameter collection to a material, setting its value, then saving the material will cause a crash. This was only able to be reproduced on Mac and did not affect the Windows versio ...

Second controller input doesn't work setting client mode on PIE.

UE - Editor - UI Systems - Feb 3, 2021

When two controllers connected, player2 input is disabled in client mode in PIE. It worked correctly in 4.25, but it has been wrong since 4.26.  Digging into FSlateApplication::ProcessKeyDownEve ...

EditCondition specific does not prevent values from being changed.

Tools - Mar 9, 2017

1) Using the Meta specifier EditCondition will gray out the property box so that it cannot be clicked, but using tab from another property box will place the cursor inside the grayed out box. 2) V ...

MediaTexture.AutoClear Is Ignored On Quest

Media Framework - Mar 9, 2020

When closing a media player asset in the Oculus Quest the Clear Color is ignored and the last frame is left on frame shown. This happened whether I ran the project both while the Quest was and was n ...

Can not find abstract class in actor class dropdown list in GetAllActorsOfClass node

UE - Gameplay - Blueprint - Dec 15, 2020

The behavior of non-variable class pins has changed in 4.26 where abstract classes like AInfo are being excluded from class pickers for general utility functions like GetAllActorsOfClass. This is no ...

Read IAP information node causes hang if connection is disconnected

UE - Platform - Mobile - Jan 15, 2016

May 26 19:54:33 A6240 UE4Game[384] <Warning>: [2016.05.26-23.54.33:457][801]LogHttp:Warning: didFailWithError. Http request failed - The Internet connection appears to be offline. [Link Removed] 0x7 ...

Using Alt+Click to break Transition node connections cannot be undone using the Undo command

OLD - Anim - Nov 28, 2016

Using Edit->Undo or Ctrl+Z has no affect after breaking using Alt+Click to break the connection of transition nodes. In the My Blueprint tab, extend Graphs->AnimGraph Regression: No - Same behavio ...

Static lighting isn't bouncing when using Layered Materials

UE - Graphics Features - Lumen - Aug 13, 2020

Static lighting will not bounce on the ceiling when using a Layered Material. The Material Attributes Layers node is used which doesn't appear in 4.24.3 so this isn't a regression. This was report ...

Disparity in Rotation tool

Tools - Aug 31, 2016

There is disparity between the two different ways of editing rotation. When using the scrubber in the details panel each value scrubbed only affects that value and the values go from 0 to 360. When ...

Realtime Rendering toggle disabled after using Cloth Painting

UE - Simulation - Physics - Character - Jul 29, 2021

After finishing cloth painting, the ability to toggle Realtime Rendering in the viewport is greyed out. Additionally, the Disable Realtime Override button doesn't seem to have any effect. This probl ...