On a legacy device old software might run just fine long after the developers have moved on and forgotten about it. The exact end of the software's life (or life cycle) depends largely on the attitudes of the person naming the software's demise. The choice of word(s) reflects a great deal on the attitude of the community, the developer and the ... More @Wikipedia
Hover over any link to get a description of the article. Please note that search keywords are sometimes hidden within the full article and don't appear in the description or title.