* Added a "changes" hook. Renamed the "change" hook to "rendered", but
the old hook name is called for now for back-compat.
* meta: Support keywords header. Closes: #664780
* Added a "changes" hook. Renamed the "change" hook to "rendered", but
the old hook name is called for now for back-compat.
* meta: Support keywords header. Closes: #664780