Just got the email about the SPG Biz card changes. I don't remember seeing it here yet...
NEW BENEFITS
ANNUAL FREE NIGHT AWARD
Starting August 1, receive 1 Free Night Award every year after your Card account anniversary. Award can be used for one night (redemption level at or under 35,000 points) at a participating hotel. Select hotels have resort fees.¹
COMPLIMENTARY SILVER ELITE STATUS
Starting on August 1, you'll receive complimentary Silver Elite status with your Card, which includes priority late checkout and a 10% bonus on points earned for stays.²
ELITE STATUS CREDIT
Coming in 2019: Each calendar year you can receive credit for 15 nights towards the next level of Elite status. Limit one 15 Elite Night Credit per Marriott Loyalty Program member. Benefit is not exclusive to Cards offered by American Express. Terms apply.3
OTHER CHANGES TO YOUR CARD
In a one-time conversion in August, Starpoints® will automatically become points, and the Starpoints balance in your SPG member account will be multiplied by three. SPG will also be making corresponding changes to the number of points required for redemptions.
POINTS EARN RATE: EFFECTIVE AUGUST 1, 2018:
Earn 6 points for each dollar of eligible purchases at participating SPG and Marriott Rewards hotels made with your Business Card.4
NEW! Earn 4 points for each dollar of eligible purchases at U.S. restaurants, U.S. gas stations, on wireless telephone services purchased directly from U.S. service providers and on U.S. purchases for shipping.4
Earn 2 points for each dollar of all other eligible purchases on your Card.4
Effective August 1, 2018: Starting on August 1, complimentary access to the Sheraton®Club Lounge will no longer be available.
CHANGES EFFECTIVE JANUARY 1, 2019: SPG Gold status will now be called Gold Elite status. Currently, you can earn Gold Elite status after you spend $30,000 in eligible purchases on the Card in a calendar year. Starting January 1, 2019, you can earn Gold Elite status after you spend $35,000 in eligible purchases on the Card in a calendar year.5
You will no longer receive an annual credit for 5 nights and 2 stays toward SPG Elite status each year with your Card. But the 5 nights and 2 stays you have earned this year will still count toward Elite status for 2018.6
Edit: Link for reference
https://www.spgpromos.com/amexcomin...S_Ann_ENG&SWAQ=1VC&SWAQD=27134&language=en_US