The MediaWiki 1.25.0 tarball release is planned for 2015-05-25 [1],[2].
There are currently 21 open tickets in the "MW-1.25-release" project: https://phabricator.wikimedia.org/maniphest/query/BPlQRzYIEE31/#R
Seven tickets have patches awaiting review: https://phabricator.wikimedia.org/maniphest/query/tfwMAVRECGaZ/#R
The other 14 tickets welcome help / input / code: https://phabricator.wikimedia.org/maniphest/query/HWHn.kQ9k7xU/#R
If you are aware of open tasks in Wikimedia Phabricator that must be fixed before releasing 1.25.0, please associate the "MW-1.25-release" to these open tasks (or create a dedicated task if none exists yet).
Thanks for your help! andre
[1] https://www.mediawiki.org/wiki/Version_lifecycle [2] https://www.mediawiki.org/wiki/MediaWiki_1.25#Release_schedule