This issue of the Editing newsletter includes information the Talk pages project, an effort to help contributors communicate on wiki more easily.
Reply tool: This is available as a Beta Feature at the four partner wikis (Arabic, Dutch, French, and Hungarian Wikipedias). The Beta Feature is called "Discussion tools". The Beta Feature will get new features soon. The new features include writing comments in a new visual editing mode and pinging other users by typing @. You can test the new features on the Beta Cluster now. Some other wikis will have a chance to try the Beta Feature in the coming months.