Here is the updated cap. Some important notes:
*The Salary cap for 2018-2019 has officially been set at 101.9 million. coming in lower then the projected 103 million.
* The Cap holds technically are for 2 roster spots under the minimum of 12 (we are at 10 for the 19-20 season) for the rookie minimum ($889,318).
* Salary/Cap hold for Russell and Hollis-Jefferson for the 19-20 season is their Qulaifying offer. If they are renounced we can gain nearly an additional 30 million in cap space.
*Lin has declined his opt out and his salary for 2018-19 is gaurantted.
*Nik Stauskus was renounced.
*Joe Harris and Ed Davis are rumored to be signed using exceptions and will not be inked until we use our remaining cap space which would be 2.4 Million + whatever we recover from a dwight buyout (likely anywhere from 2 million to 6 million). We will be operating as an over the cap team this season.
Everything else is pretty much set in stone. Below is the most likely scenario for our salary cap for next year.

CURRENT CAP SPACE: - 8.85 Million (over the cap)
VIRTUAL CAP SPACE*: 2.4m + Amount saved from Howard Buyout
PROJECT CAP SPACE for 2019-2020: 31.3 Million
*** Please Let me know if you see any inaccuracies. this is best effort compiled from several resources and NBA contracts are not very static in nature especially minimum/transition type deals. ***