We have recently updated our product lifecycle statement for Hybrid Data Pipeline. The product lifecycle can be found here: https://www.progress.com/documentation/product-life-cycles/datadirect#HDP. The product lifecycle has an active date, a mature date and a retirement date. Documentation specific to the level of support provided for each phase can also be found using the URL above.
4 versions of Hybrid Data Pipeline have will be moving to the retirement phase of their product lifecycle in the first half of 2019:
Hybrid Data Pipeline 4.5 was made generally available in December 2018 and has a retirement date set for December 2019. We do have plans to release a long-term support candidate of Hybrid Data Pipeline in the first half of 2019 which will have a longer (~2 years) window of time between the active date and the retirement date.