Unreal Engine Issues

Navmesh generation doesn't work with Retopologize tool

When a Landscape is edited with the Retopologize tool, Dynamic Navmesh is no longer generated. This was also tested with Static Navmesh and yielded the same results. ...

When changing a variable of a component in an attached Actor, the variable becomes read-only

Changing a variable of a component with an instance of BP derived from StaticMeshActor or SkeletalMeshActor attached to another actor will cause that variable to be read-only. It did not reproduce w ...

UDistributionFloat member resets to null upon Blueprint Compile

A UDistributionFloat property is reset to NULL when compiling a Blueprint sub-class of a C++ class that has a UDistributionFloat property. ...

Cloth Simulation Doesn't Work When Clothing Data Is Applied Before Being Painted

When clothing data is applied before painting the influence on the section the cloth doesn't simulate. I tested this using the Paragion: Twinblast actionhero skeletal mesh asset. Found in 4.24.1 C ...

Skybox Textures Have a Seam When Using a Cube With Inverted Normals

Skybox textures can have a seam when using an inverted cube for a sky. Attached is an example 4.24.2 project. Note: One of the attached seam screenshots is hard to see unless you expand it. Found ...

The base color of a material in unlit mode changes when specular amount is above 0.0

Material's RGB base color values are changed in Unlit mode when specular is greater than 0.  User repro video:  [Link Removed] Tested in: 4.23.1 CL#9631420, 4.25 CL#11574810 ...

Streaming a Widget Class with Remote UMG displays the NO SIGNAL slate on remote devices

Light rendering becomes broken when at a distance of ~1000000 from origin

Tested at X=20,000 with no issue Tested at X=500,000 with no issue Tested at X=1,000,000 issue occurs NOT A REGRESSION ...

Crash When You Add Get Landscape Material Node

After staring a new, blank project, and adding a generic blueprint actor, the editor crashes after you add a "Get Landscape Material" Proxy to the event graph within the blueprint. ...

[Reverb Effect] - Deactivate Reverb Effect Blueprint Doesn't Deactivate Reverb

When deactivating a reverb, it's removed from the Activated List, but doesn't get removed from being the active reverb. Confirmed occurs in 4.27 and 5.0 ...