Several questions about Master Applications
Send them the facts, if available partial grades. Do not go speculating on your future grades, it should be enough to list future classes. Do not swamp them with stuff they probably aren't qualified to digest (last draft of your thesis-in-progress). Do concentrate on getting strong letters of recommendation.

Committees which look over applicants normally aren't staffed with specialists in the area to which applications come in, they get lots of applications to process, but also know that some of them won't be able to provide everything asked for for a variety of reasons. Explain the reasons, give firm dates for completing missing data, provide an alternative where it isn't available (unofficial/partial transcripts instead of official, complete ones).