・Notification summaries have been temporarily disabled entirely for the News & Entertainment category of apps. Apple says the feature will be re-enabled for this category in a future software update as it continues to refine the experience.
・Notification summaries are now denoted by italicized text on the Lock Screen. This helps better distinguish them from normal notifications.
・You can now disable notification summaries for an app directly from the Lock Screen or Notification Center by swiping, tapping “Options,” then choosing the “Turn Off Summaries” option.
・When you enable notification summaries, iOS 18.3 will make it clearer that the feature – like all Apple Intelligence features – is a beta.
・In the Settings app, Apple now warns users that notification summaries “may contain errors.”

🔳 Visual Intelligence upgrades
Apple says that the update brings two new features to Visual Intelligence for iPhone 16 users:
・You can now add an event to Calendar from a poster or flyer. From the Visual Intelligence interface, just take a picture of that poster or flyer and Apple Intelligence will recognize the date and time of the event and add it to your calendar.
・Visual Intelligence can now easily identify a broader range of plants and animals.
The feature is available on all iPhone 16 models and can be accessed by long-pressing on the Camera Control.

To disable Apple Intelligence after updating to iOS 18.3, you can go to the Settings app, choose “Apple Intelligence & Siri,” then disable the Apple Intelligence toggle.

・Calculator repeats the last mathematical operation when you tap the equals sign again.
・Fixes an issue where the keyboard might disappear when initiating a typed Siri request.
・Resolves an issue where audio playback continues until the song ends even after closing Apple Music.

ℹ️ An update coming in April, likely as part of iOS 18.4, will also bring localized English support for users in India and Singapore, said Tim Cook during the company's Q1 2025 earnings call. Apple Intelligence is currently limited to English-speaking regions including the United States, United Kingdom, Australia, Canada, New Zealand, and South Africa.

For years, Apple has been seeking to revamp its calendar app – and this new initiative could be the beginning of a broader effort. The release is tied to iOS 18.3, which just started rolling out last Monday.