An anonymous reader writes "Microsoft watcher Mary Jo Foley has been collecting tips on Microsoft's accelerated Windows development schedule, codenamed "Blue". She reports that the program, which is attempting to replace the multiyear product drops for the Windows-branded desktop, server, phone, and network services products with a more agile release cycle, with better continuity across the suite, has just hit the first of two scheduled milestone builds. What's in the build? As with North Korea's nuclear program, details are scarce, but so far we have a Chinese Windows start screen; indications that the kernel number has been bumped from "NT 6.2" (Windows 8) to "NT 6.3"; and a job posting for a Windows Blue SDET (test engineer). Slashdot reported on Windows Blue in November.."