what are the new updates in ios 18.4

IOS 18.4: Latest Updates & Features

By Mark ThompsonMarch 12, 2026

Apple's latest iOS update, version 18.4, has just been rolled out, bringing a host of new features, improvements, and bug fixes to your iPhone or iPad. If you're eager to know what's new, you've come to the right place. Let's dive into the key updates and enhancements that this latest iOS version has to offer.

Before we delve into the specifics, it's important to note that iOS 18.4 is not a major overhaul like the annual iOS updates. Instead, it's a maintenance release that focuses on refining existing features and addressing known issues. That said, there are still several notable changes that users will appreciate.

Improved Performance and Stability

As with any new iOS update, iOS 18.4 brings improved performance and stability to your device. Apple has optimized the operating system to ensure smoother app switching, faster app launches, and enhanced overall system responsiveness. This should result in a more fluid and efficient user experience.

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Moreover, Apple has addressed several bugs that were present in previous iOS versions. These include fixes for issues related to FaceTime, Messages, and third-party apps. The update also resolves a problem that could cause some apps to become unresponsive when running in the background.

Enhanced Security Features

iOS 18.4 introduces several security enhancements to protect your device and your data. One of the most notable changes is the addition of a new two-factor authentication method for Apple ID accounts. This new method, called "Security Keys," provides an extra layer of security by requiring a physical security key in addition to your password and verification code.

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Additionally, iOS 18.4 includes improvements to the built-in firewall, which helps prevent unauthorized access to your device. The update also enhances the protection against malicious websites and apps by strengthening the Safari browser's security measures.

New Features and Enhancements

While iOS 18.4 is primarily a maintenance release, it does include a few new features and enhancements that users will appreciate. One of the most significant changes is the addition of a new "Focus" mode, which allows you to customize your device's notifications and appearance based on your current activity. For example, you can create a "Work" focus mode that mutes non-work-related notifications and changes your device's wallpaper to a professional image.

Another notable enhancement is the addition of a new "Health" app feature that allows you to track your menstrual cycle and receive notifications about upcoming periods, fertile windows, and ovulation. This feature is designed to help users better understand and manage their menstrual health.

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Accessibility Improvements

iOS 18.4 includes several accessibility improvements that make the operating system more usable for users with disabilities. One of the most significant changes is the addition of a new "Switch Control" feature that allows users to control their device using only a single switch or button.

Additionally, iOS 18.4 includes improvements to the built-in screen reader, VoiceOver, and the "Siri" voice assistant. The update also enhances the support for hearing aids and cochlear implants, making it easier for users with hearing impairments to use their devices.

CarPlay Enhancements

iOS 18.4 includes several enhancements to the built-in CarPlay feature, which allows you to connect your iPhone to your car's infotainment system. One of the most notable changes is the addition of a new "Wallpaper" feature that allows you to customize the appearance of your car's display.

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Additionally, iOS 18.4 includes improvements to the built-in Maps app, which now provides more detailed and accurate navigation instructions. The update also enhances the support for third-party apps, allowing you to use more apps in your car than ever before.

In conclusion, iOS 18.4 may not be a major overhaul, but it's still a significant update that brings several useful features, improvements, and bug fixes to your iPhone or iPad. Whether you're looking for enhanced performance, improved security, or new features, iOS 18.4 has something to offer you. So, if you haven't already, be sure to update your device to take advantage of all the latest changes. Happy updating!