Django Design Patterns and Best Practices - Second Edition

Are there more patterns?

Yes, of course. Patterns are discovered all the time. Like living beings, some mutate and form new patterns, for instance, MVC variants such as Model-view-presenter (MVP), Hierarchical model-view-controller (HMVC), or Model View ViewModel (MVVM).

Patterns also evolve with time, as better solutions to known problems are identified. For example, Singleton pattern was once considered to be a design pattern but now is considered to be an anti-pattern due to the shared state it introduces, similar to using global variables. An anti-pattern can be defined as a commonly reinvented but a bad solution to a problem. Some of the other well-known books that catalog patterns are Pattern-oriented software architecture (POSA) by ...