id	summary	reporter	owner	description	type	status	priority	milestone	component	version	severity	resolution	keywords	cc
18520	Allow addition of image sizes in Thickbox via filter	alexkingorg	azaozz	"Plugins and themes can register new image sizes, but these don't appear in the media lightbox (#15668).

The right thing to do might be to add a param to add_image_size() that tells it if the image size should be included in the media lightbox (because you definitely don't want to auto-add them all). However, this would be a rather invasive change which would alter the data in global $_wp_additional_image_sizes and may introduce bugs.

Perhaps an easier approach is just to add a hook (patch attached).

If there is consensus that an additional parameter to add_image_size() and automatically displaying those sizes in the media lightbox, I can put together a patch for that too."	enhancement	closed	normal	3.3	Media	3.3	normal	fixed	has-patch	nacin