Scrapped - A piece of content that has been abandoned due to thematic, copyright, commercial or other issues.Models and/or entries usually remain in client. Shelved - A piece of content that has been set aside indefinitely, and may or may not ever be released.
As development of League of Legends is highly iterative and mostly confidential, whether or not an item or feature will be released is highly speculative. Only official content, confirmed in the client or leaked by Riot, is listed.
This article does not include content that is active in the Public Beta Environment Refer to the champion's subpages for unreleased iterations.