In the world of software development, "any day" is synonymous with "Real Soon Now(TM)" and as such is always dependent on the discovery of last minute bugs, incompatibilities, format issues, phases of the moon, transit of Venus, etc. A delay of weeks, or even months, is preferable to a faulty release forced by a predetermined schedule.
How quickly we have forgotten the disaster that was the initial release of T:ANE due entirely, it was reported, to a contractual timetable.
In the immortal words of the TV show "Kung Fu" - patience Grasshopper.