iOS 18.3: What's new and changed in the latest update

Apple has officially released iOS 18.3 , the latest update to its operating system for iPhone , offering new features , key user experience improvements , and bug fixes. This version is now available for download on all compatible devices.

While it doesn't introduce completely revolutionary changes, iOS 18.3 is characterized by small but significant adjustments in areas such as Apple Intelligence , the calculator, and the user interface, in addition to introducing new customization options . Below, we explore in detail all the new features this update brings.

Apple Intelligence: What's New and Automatic Activation

Apple Intelligence is now automatically enabled on compatible iPhones after installing iOS 18.3. With this feature, users can take advantage of advanced artificial intelligence tools , such as AI-generated notification summaries, predictive analytics , and plant and animal identification using the camera. However, those who prefer not to use these features can manually disable them in the system settings.

In addition to these features, the ability to create calendar events directly from images has also been integrated . For example, simply point the camera at a poster or brochure and the system will recognize the information and add it automatically.

Improved notification summaries

Apple has made significant changes to the notification summaries generated by Apple Intelligence. In this version, they are no longer available for news and entertainment apps due to bugs reported in previous versions. However, the summaries are now more customizable and include new options to enable or disable them directly from the lock screen.

In addition, these summaries are presented in italics to clearly differentiate them from normal notifications , improving the visual experience.

Improvements to the calculator and the 'Home' app

The Calculator app has brought back a feature requested by many users : the ability to repeat mathematical operations by pressing the equals button. This small adjustment significantly improves usability and speeds up complex calculations.

On the other hand, the Home app now offers support for smart cleaning devices, such as robot vacuums, integrating them into the HomeKit ecosystem . Users can set up routines, schedule cleanings, and control them using voice commands with Siri.

Personalization and visual adjustments

iOS 18.3 also brings a new wallpaper designed to commemorate the 2025 International Day of Racial Unity . Following Apple's tradition of creating exclusive designs, this wallpaper features vibrant colors and minimalist shapes. In addition, minor visual tweaks have been made to the interface, such as the introduction of a camera settings button that is more consistent with Dark Mode.

Bug fixes and security improvements

As with every update, Apple has included multiple bug fixes and security patches to improve stability and protect users from potential vulnerabilities. Among the issues resolved are:

• The keyboard no longer disappears when making typed requests to Siri.
• Fixed an issue where Apple Watch screenshots would not appear in the Photos app on iPhone.
• Audio playback in Apple Music now correctly pauses when you close the app.

Compatibility and availability

This update is available for all models that support iOS 18, from the iPhone XS to newer lines like the iPhone 16. However, some Apple Intelligence-specific features, such as plant and animal identification, are only available for the iPhone 15 Pro, 15 Pro Max, and the iPhone 16 line.

Users can install this update from Settings > General > Software Update . It is recommended to back up your data before proceeding with the installation to avoid potential problems.

iOS 18.3 is presented as an intermediate update that, without disruptive innovations, improves key aspects of the user experience. Adjustments to Apple Intelligence, bug fixes, and new customization options make it worth installing, both for functionality and security.