Release notes and future developments

NOMAD 4 is a complete redesign compared with NOMAD 3, with a new architecture providing more flexible code, some added functionalities and reusable code.

Some functionalities available in NOMAD 3 will be included in NOMAD 4 in future releases:

- RobustMads [AudIhaLedTrib2016] and StoMads [G-2019-30]

- Categorical [AuDe01a] and periodical variables [AuLe2012]

The performance of NOMAD 4 and 3 are similar when the default parameters of NOMAD 3 are used (see [AuLeRoTr2021]).