Hey guys.
...Wow, wish I had posted this earlier.
Checked with a friend of mine at Square, and he said it's only a "slight delay," and that the "until the next version update" is a mistranslation of the Japanese news page. Basically, they'll be going in a few days or a week later or whatever, as they've done a few times in the past.
Here's the Japanese text, for those that can read it...
なお、先日お知らせしました「アトルガンミッション続編の追
加」と「チョコボ育成」に関しては、検証期間延長のため、次
回バージョンアップから少し遅れて追加される予定です。追加
される日程につきましては、追ってニュースなどでお知らせし
ます。
http://www.playonline.com/ff11/polnews/news8090.shtml The important part is the...
次回バージョンアップから少し遅れて追加される予定です
...Which translates roughly to...
"the plan is to supplement the next Version Up a short time later."
Given that this furor seems to stem from, like, a clerical error, what I can't tell you is why the English page hasn't been updated yet.
Hope this puts some minds to rest, or whatever.