1. We are working on compatibility with Windows 10 throughout the cycle of preparation of the new OS. They were used at the same time build the OS that were available through various channels MS. So, work on the compatibility patch started long before, the OS start to spread users
2. The operating system until the last moment to make a significant change at the kernel level. That is why the release version build 2017 has been fully functional and compatible with the Anniversary Update Win10 at the time of its release later received a limited work. When this product correctly becomes constrained mode without BSOD-s and other problems for the user, leaving a fairly high level of security
3. Despite the fact that the assembly Anniversary Update Win10 was available in advance to the last moment it was not known what she was going to release Windows Update. A few years ago, MS gave other vendors RTM-assembly of a month before its release. And they all had the opportunity to prepare for the release of a new OS. Now on release builds reported a few days before entering the assembly to users
4. In addition to providing support for the new version of OS developers, we have to release its users quality test changes necessary updates. We do not want to because of the rush and undetected problems, users are faced with much more serious problems than the limited functionality.
5. The patch for the 2016 MR1 is scheduled before the patch for 2017, as This version currently enjoys a much larger number of users. Time difference to produce patches - not much
6. Operational support new versions of the operating system - this is a task of high priority for our company. We improve and optimize their processes to adapt to the new processes Microsoft to release their updates as soon as possible after the operating system upgrade. But to sacrifice quality and make experiments on its users at the same time, we are not ready