It’s not a new logo. It’s not even a different logo: the glyph shapes are exactly the same in both versions, it just has different shading for when it needs to

It’s not a new logo. It’s not even a different logo: the glyph shapes are exactly the same in both versions, it just has different shading for when it needs to be displayed small. Apple has been known to try different shading and color for its logo, but that doesn’t mean that whenever they do so, they’ve adopted a new logo.