Unreal Engine Issues

Hardware Accelerated Video Decoding with DirectX 11 causes videos to render black when loaded in a Media Player

This is not a regression. Tested in //UE5/Release-5.2 CL26001984. Hardware Accelerated Video Decoding requires DirectX 11, but it appears the combination causes media players to only render a black ...

[Audio Modulation] - Ensure is thrown when attempting to modulate a Source Effect at runtime

Does *not* occur in editor. Only in standalone and runtime. Occurs when modulating Chorus or Bit Depth Also occurs in 5.2 and 5.3. I also noticed the test with this is supposed to set the chorus e ...

Attribute Reader + Torus Shape Location module cause NaNs in CPU Niagara systems

It appears using the attribute reader with the shape location module set to torus will cause NaNs. The log mentions Sphere Radius among them, which should not be used with the torus mode. ...

UHT doesn't warn that a class/structure size is larger than 65535

[MetaSounds] - Trigger inputs called by Execute Trigger Parameter refire on MetaSounds that become active after virtualization

If trigger execute is called in Blueprint, it will fire every time the sound recovers from being virtual, even if it has not been called again. See video example: [Link Removed] Also occurs in Re ...

Scene View Extension - Subscribing to Tonemap's afterpass renders black screen

Callbacks for the Tonemap's afterpass that return identity return black screen unless there is a post-process material. ...

Static Mesh Scene Actor Flipped Normals

Static meshes can have normals flipped when the actor they are attached to has one component of its scale inverted. ...

WorldPartitionHLODsBuilder keeps generated HLOD meshes and causes run out of memory

Transient Subclasses of ABrush default to supporting external packaging

ABrush::SupportsExternalPackaging overrides the base implementation of  AActor::SupportsExternalPackaging which returns false for transient actors, but it doesn't call super. As a result, transient ...

Decal can't sample 2D array

Decal materials have a compiler error when sampling a UTexture2DArray asset ...