In recent years, Oracle JD Edwards issued a new major release of the product more or less every three years. So after 9.0 update 2, 9.1 it was followed by 9.2 in 2015. Every release had its own support horizon: 5 years for premier support and 3 years for extended support. Therefore release 9.2 was supported till 2020 on premier support, and until 2023 on extended support.
In parallel, Oracle JD Edwards practiced an agile working model resulting in a number of functionality and tools releases in between the main releases . In fact, releases 9.1 and 9.2 were more a roll-up of everything already delivered in previous years, primarily for the sake of the existing support model.