The old index syntax (e.g. unique=True) will still work, and is now considered a shortcut for the more verbose syntax. The idea is to have one standard syntax t

The old index syntax (e.g. unique=True) will still work, and is now considered a shortcut for the more verbose syntax. The idea is to have one standard syntax that supports creating non-btree indexes in the model definitions, rather than needing to create them via custom migrations.