Declarative features with windowed aggregations, materialised on demand instead of hand-built tables.
Why it is worth watching
Databricks now points here first for new feature work.
Where to read more
We wrote it up: Feature Views — Declarative features, defined as a source plus an aggregation over a time window, registered in Unity Catalog and materialised by managed pipelines rather than by a table you build yourself. That page carries the Generally available label while this entry does.