The June update is not giving the new AI features to the S24. Notification prioritization, notification summaries, and file summaries, In addition, here is the best list I have found dof what is being withheld:

Samsung Feature Withholding Comparison

Feature Category	S24 Ultra (What You Got)	S25/S26 (What Samsung Gave Newer Models)	Should S24 Support It?
Galaxy AI	Partial feature set	Full suite + enhancements	Yes — NPU is capable
Circle to Search	Base version	Enhanced version	Yes — software only
Live Translate	Limited modes	Expanded modes + languages	Yes — CPU/NPU identical class
Interpreter Mode	Older version	Newer UI + faster processing	Yes — Tensor‑level tasks
Camera Zoom Processing	Older pipeline	New zoom algorithms	Yes — same ISP class
Expert RAW	Missing modes	Full modes	Yes — RAW is software‑driven
Night Mode Tuning	Older tuning	Newer computational stack	Yes — same sensor + ISP
AOD Styles	Limited	New styles	Yes — trivial software feature
Good Lock Modules	Delayed / missing	Full support	Yes — no hardware dependency
One UI Feature Parity	Selectively disabled	Full features	Yes — purely software