Post Format UI and saving is in core. Th…

Post Format UI and saving is in core. Themes announce their support of various formats like so:

add_theme_support( 'post-formats', array( 'aside', 'gallery' ) );

The UI looks like this, right now:

That UI only shows up if your theme supports it. By default, only Posts support it, but you can add support to other post types like so:

add_post_type_support( $post_type, 'post-formats' );

Twenty Ten has support for the “gallery” and “aside” post formats (it retains its backwards compat support of the special “Asides” and “Gallery” categories).

Post Format is shown on the post listing screen:

That was done very quickly, and I’m soliciting feedback for how that should be conveyed. Head over to the ticket.