I would refer to https://www.blackhatworld.com/seo/article-forge-get-unlimited-unique-content-in-under-30-seconds-free-trial.855795/page-11#post-10076605 with regards to my estimated timelines. Now that WordAi has been released I will try to provide a small update.
If I had to guess we will have a major update towards the end of this year. Now that WordAi has been released we have some of our server cluster training the new "brain" (models) for Article Forge. While those are training we are working on a new product that will be integrate with WordAi and Article Forge and provide substantial improvements to both. Since we have already spent substantial time in the past working on this product, development is going very quickly and we are planning for a beta in early September.
Once that beta is released we will look at the state of the new "brains" we are training and decide how to best proceed. A lot of other tools make updates for the sake of making updates. In our case we only want to do an update when we are confident we've made a huge step forward. So it is my hope that we will see those models and how incredible their results are and we will integrate that right into Article Forge and be able to release it sometime around November. If that isn't the case we will continue to do further research until we think we are at that stage.
I hope those timelines are useful. It is always very difficult estimating release dates for WordAi and Article Forge because we are working with cutting edge research as it happens. Often times we are taking cutting research that shows that something could be hypothetically useful and are then trying to research it further and turn it into something that is actually useful. Because we are exploring the unknown it is often impossible to know exactly how that research will end up (since we are the first people to try it), so timelines are often very imprecise.