The first preview of the program will be released on August 21 this year. Here are the content that will be released every month after that:
Safety Only Quality Update (A security only quality update): Beginning in September 2018, it will be released on Tuesday Update Day, which is the second Tuesday of each month, often referred to as "Patch Tuesday".
Monthly safety quality summary (A security monthly quality rollup): Same as above
Monthly quality summary preview (A preview of the monthly quality rollup): Beginning in August 2018, it will be released on the third Tuesday of each month.
Sachin said that these changes will simplify the update of Windows Server 2008 SP2, while also improving scanning and installation time and providing flexibility, depending on how users manage Windows updates.