Allow 'https' when separating the image attributes into an array via wp_kses_hair().
Only show the author via the [entry-author] shortcode if the post type supports the 'author' argument.
Remove incorrect addition of the 'trackbacks' support for the 'attachment' post type.  This is meant for adding the ability to send trackbacks.
Bump Theme Layouts to 0.5.2-alpha.
If a theme has set a post thumbnail using the set_post_thumbnail() function, use 'post-thumbnail' as the default size over 'thumbnail'.
Introduce get_the_image_by_post_format_meta() to grab the image by the post format metadata.
First round at a better compatibility layer for post formats.  This is meant to be backwards compatible with old post format usage as well as the new core WP 3.6 stuff.

@todo - Audio and video content filters.