Apple today released macOS High Sierra 10.13.4, and with it a new feature that warns of impending obsolescence of 32-bit apps, including ArraySync. For now, ArraySync will continue to function normally throughout the High Sierra update cycle, albeit with a one-time warning that it is a 32-bit app. Future macOS versions beyond High Sierra are a bit of a mystery right now, with Apple stating that High Sierra would be the last to support 32-bit apps “without compromises.” For the time being we have no way to know what that means.
ArraySync will not be updated to 64-bit. A long-planned rewrite of the software will be 64-bit, but unfortunately I cannot give a concrete timeline on this. I can tell you that it will no longer be called ArraSync, and will be moving to a monthly subscription model similar to Adobe and Microsoft products. And now, due to impending changing in macOS we will be be making a greater effort to have this completed by the time the next version of macOS is released.
As part of the transition to our subscription model, every customer who has ever purchased ArraySync will qualify for a discounted license for the successor application equal to the value of the ArraySync license they originally purchased. If you have any questions about this, please contact support.