2:28PM EST and still not available yet. We've all been told it will be available today, and even TT support is not sure why it's not up yet and said to keep checking. Where is others are saying it may be delayed until 2/8 since for whatever reason they didn't push the update midnight to be ready for today as promised.
For all those who are done waiting for some future date, HRBlock has said they have had this form available in their tax filing system for all those to use at least.
