XDNA has a succesfull hard fork on 28/10/18. This fork makes many changes in the network of this coin. This changes were made to raise XDNA value and maintain fast and secure infrastructure.
Main changes was made to Bitgun levels. The developers decide to lower them by 7% per month during 24 months period.
This change means that we will have way lower XDNA emission. Before the fork minimal XDNA emission was 7 961 400 coins per 3 years and maximum was 155 390 400 coins. After the fork maximum coins that can be produced in the same time period is almost three times lower - 66 216 600.
The percent of block rewards for every masternode level are bigger now. The Light masternode reward is 5%, Medium is 15% and Full 25%. Before the fork it was 3%, 9% and 15%.
More details about this changes you can find at great Steemit article
More about XDNA you can find at official website: https://xdna.io/