Bittrex made it clear that we have the right to submit a new request for listing in 3 - 6 months after they see the V4 code update.
Bittrex, of course, is not the only option for Diamond project. There are lots of exchanges around us, so we should not over dissapointed with recent delist from Bittrex. At least, they open chances to come back next 3 to 6 months. Now, it depends upon Diamond team to bring the coin back to Bittrex, if they want. Besides Bittrex, are the team have other plans on other exchanges, such as Binance DEX, and others?