From ECWolf Wiki

Use this template on new features that are not available yet in the latest official version. Optionally, the hash of the revision in which it had been introduced can be passed as a parameter, and it will result in a link to the changelog entry for that revision. Use second parameter for expected version number for feature to appear. The template should be removed from all pages when a new official version is released. Use this page to find all the occurences of the template.

(development version only)