from Andrey (GW support) on telegram:

Dear WTT buyers ,
despite our best efforts, the final portion of the Batch 4 WTT delivery will fall outside the time frame of our original targeted maximum delivery date according to the whitepaper.  In this case, affected WTT buyers are entitled to a refund of the original USD amount paid for the tokens if they so choose. 

Any WTT purchased after 10pm on July 24th, 2017 are expected to be delayed.  I'm estimating that the power for these tokens will be ready by end of February, at which time we would be able to issue your WTT.

We'd like to offer you a bit of a bonus for this delay - we will issue you 10% additional tokens as gratitude for your continued patience.  If you'd prefer to get your money back, we are prepared to refund the original USD value we hold in escrow for your token purchase.

We are making good progress, but it hasn't been easy!

If you plan to hold, we will issue your 10% bonus tokens automatically.

Best Regards and thank you for your support.