I called and wrote my complaints to Delta this evening. They actually already returned my call but pointed that the new policy was in force... However, I found the following information on the Website and really feel cheated...
In addition to standard onboard fare, you can snack better with Delta Comfort+. Enjoy fresh fruit and other premium snacks on many routes over 900 miles when meal service is not available. Plus, on flights over 250 miles, Starbucks® coffee, beer, wine and spirits for 21+.