Unreal Engine Issues

Instanced MovieSceneEventParameters does not save updated values upon level load

Any instanced Actor with a public MovieSceneEventParameter struct doesn't retain any altered values on level load. Found in 4.22 CL#7053642 Reproduced in 4.21 CL#4753647 , 4.24 Main CL#7173985 ...

Third Party Library Plugin won't load in packaged build

Plugins created using the Third Party Library template won't load in a packaged build or the Launch button in the Editor Toolbar, but will if launched through the Project Launcher Window via the Edi ...

Overlap Issues using Tick Interval and Dedicated Server

When using a dedicated server and a class with an explicit Tick Interval set, if the class' overlaps are updated in the begin overlap event, in a non-consequential way(changing collision profile in ...

Play Rates are not reverted when HAP Media Plugin is disabled

Enabling the HAP Media player plugin permanently affects the thinned Play Rates of the Media Player asset. Tested in 4.23.1 (CL - 9631420), 4.24.0 (CL - 10091930), 4.25 (CL - 10091038) ...

Deleting MPC referenced in material layer cause editor crash.

[MetaSounds][Inputs] - When multiple copies of an input node are on the graph, all connections reconnect to one node when an input is renamed

If there are multiple copies of an input on the graph, when it is renamed, all the connections are broken and rerouted to a single node, orphaning the rest on the graph. I believe this may be a dupl ...

Landscapes cause Vulkan crash related to GRHISupportsAttachmentVariableRateShading

Binary (Installed Build)//UE5/Release-5.1 @CL22986940 I encountered this same crash when creating a landscape twice, but was not able to consistently reproduce it with those steps. I figured out th ...

Shadow map z-fighting when using Overlay material

Using a Shading Model node set to Unlit results in an invalid material with FromExpression domain

Create a materialSet its domain to From ExpressionRecreate the node graph as in the screenshot Note that the preview sphere is black. ...

Depth of Field blur is inconsistent with r.ScreenPercentage == 100 (Dynamic resolution)

Depth of Field, with "r.DOF.Recombine.Quality = 0" will adjust the size of the depth in focus based on screen percentage. This might be related to over-fitting from the tile classification, because ...