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Apple’s macOS Sequoia 15.5 brings a refined and stable experience to Mac users with performance enhancements and critical bug fixes. This update focuses on improving system responsiveness, battery efficiency, and overall reliability across supported devices. It addresses known issues with app crashes, Bluetooth connectivity, and iCloud syncing.
Apple has also included under-the-hood security patches to strengthen device protection against emerging threats. Ideal for users seeking optimal performance, Sequoia 15.5 reinforces Apple’s commitment to delivering a seamless and secure macOS environment for both work and creativity. Let’s look at some of the tools and technologies of macOS Sequoia that every Mac user should know and try.
1. Apple Intelligence
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Apple Intelligence, introduced with macOS Sequoia, marks a significant leap in how users interact with their Mac. Rather than simply layering artificial intelligence over the operating system, Apple has tightly integrated AI features throughout macOS, making them feel native, contextual, and genuinely useful. This integration has the potential to reshape workflows, communication, creativity, and even how we organize digital life on a Mac.
One of the most significant additions is the Writing Tools. Whether you’re drafting an email in Mail, creating a document in Pages, or writing notes, Apple Intelligence offers powerful features like text summarization, rewriting, and tone adjustment. You can highlight any block of text and choose to simplify, expand, rephrase, or even change the tone to be more formal, friendly, or concise.
The Smart Reply and Summarization feature in Mail is another game-changer. Long threads are automatically summarized, helping you quickly understand the essence of a conversation. Suggested replies based on the content save time and effort, especially helpful for busy professionals who manage multiple emails every day.
Image Playground adds creative flair by allowing users to generate custom images in seconds using natural language. Available in apps like Messages and Keynote, it provides three styles, Animation, Illustration, and Sketch, and works right within your apps.
The Personal Context Awareness feature understands on-device content like emails, calendars, and documents, enabling it to provide smart suggestions and assistance tailored to your unique needs, without compromising privacy.
Altogether, Apple Intelligence in macOS Sequoia isn’t just a feature upgrade, it’s a rethinking of the Mac experience. With smarter tools, natural interactions, and privacy at the core, it aims to make your Mac more helpful, personal, and powerful than ever before.
2. iPhone Mirroring
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The iPhone Mirroring, a powerful expansion of Apple’s Continuity ecosystem, allows users to fully view and control their iPhone directly from their Mac, opening up new levels of productivity and convenience. With iPhone Mirroring, your iPhone’s entire interface is streamed in real-time to your Mac’s display. You can interact with it using your keyboard and trackpad, launch apps, swipe through screens, respond to messages, and even receive iPhone notifications right on your Mac.
What makes this feature more impressive is that your iPhone remains locked and inactive physically, ensuring both privacy and security. Whether you’re replying to messages, checking a third-party app, or accessing two-factor authentication codes, you no longer need to reach for your phone.
iPhone Mirroring also complements the existing Continuity features. For multitaskers, it’s a dream come true, streamlining workflows without interrupting your focus or switching devices constantly. macOS Sequoia’s iPhone Mirroring isn’t just a technical novelty, it’s a practical tool that blurs the boundaries between your devices, making your Mac and iPhone feel like two parts of a single, unified experience.
3. A Revamped Notes App
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With macOS Sequoia, Apple has significantly enhanced the Notes app, transforming it into a more powerful productivity tool while maintaining its clean, minimalist design. The update focuses on helping users organize, capture, and act on their thoughts more efficiently, whether for personal planning, work, or study.
One of the most notable additions is audio transcription. You can now record audio directly within a note, and Apple Intelligence automatically generates a text transcript in real time. This is incredibly useful for students recording lectures, professionals capturing meeting discussions, or anyone who wants to document conversations without typing everything manually.
Another major upgrade is Math Notes, wherein you can type or write the mathematical equations, and the Notes app solves them instantly using built-in intelligence. It’s perfect for students, engineers, or anyone needing quick calculations without switching to a calculator or external app.
The new linked notes and document preview feature also makes organizing information much more intuitive. You can now link one note to another, helping create a web of connected ideas, ideal for project planning or research. When you attach a document, you can preview its contents right inside the note without needing to open another app.
4. Window Tiling
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macOS Sequoia introduces a much-needed upgrade to window management with its new Window Tiling feature, bringing smarter, more intuitive multitasking to the Mac experience.
With Window Tiling, users can now drag any window to the edge of the screen to automatically snap it into place. macOS intelligently suggests available positions, such as side-by-side, top-bottom, or even quadrant layouts, allowing you to create the perfect arrangement for your task at hand. Whether you’re comparing documents, referencing notes while writing, or managing multiple apps during a project, tiling makes it seamless.
The feature also introduces a new Tiling Menu accessible from the green traffic light button on any window. This menu allows users to quickly choose where to place a window or replace an existing one, without manually resizing or dragging. You can also rearrange tiles instantly, and macOS remembers your layout when switching between desktops or re-opening apps.
The new Window Tiling in macOS Sequoia isn’t just about organizing windows, it’s about organizing your time, focus, and flow. It’s a welcome step forward in turning the Mac into a more capable multitasking machine.
5. Password Manager
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macOS Sequoia introduces a powerful new Password Manager app, giving Mac users a centralized, secure place to manage all their login credentials, verification codes, and passkeys. Built directly into the operating system, this standalone app expands on the capabilities of iCloud Keychain, bringing more visibility, control, and convenience to managing your digital identity.
The new Passwords app stores not only website and app passwords but also Wi-Fi credentials, passkeys, and verification codes for two-factor authentication. It offers a clean, easy-to-navigate interface that lets you quickly search, organize, and edit entries. Each password entry includes useful details like creation date, linked websites, and autofill compatibility, making account management effortless.
Security remains a top priority, where all information is end-to-end encrypted and synced securely across your Apple devices via iCloud. The app also includes security alerts for weak or reused passwords, helping you stay one step ahead of potential breaches.
With the dedicated Password Manager in macOS Sequoia, Apple gives users a more transparent and secure way to manage digital access, eliminating the need for third-party password apps.
6. Video Calling
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macOS Sequoia enhances the video calling experience on Mac with a suite of new features designed to make virtual communication more engaging, polished, and interactive, whether you’re on FaceTime, Zoom, or other supported platforms.
One of the most exciting additions is the Presenter Preview feature. Before you share your screen during a video call, macOS Sequoia lets you preview exactly what others will see. This gives you the chance to tidy up your desktop, select the right window, and ensure everything looks professional before going live, perfect for business meetings, remote teaching, or creative demos.
Sequoia also improves video reactions and overlays. With simple hand gestures, you can trigger fun on-screen effects like hearts, confetti, or fireworks, adding a touch of personality and emotion to calls. These effects are now smoother and more responsive, enhancing the user experience during casual or celebratory moments.
For presenters, Sequoia introduces a more polished window sharing experience, allowing you to overlay your video feed on top of shared content in a clean, picture-in-picture format. This keeps you visible while presenting slides or documents, helping maintain engagement with your audience.
7. Merging Reminders and Calendar
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macOS Sequoia brings thoughtful and practical integration between the Reminders and Calendar apps, creating a more unified and intelligent planning experience. This enhancement is designed to help users manage their time more efficiently by bridging the gap between tasks and events.
When you open the Calendar app, you’ll not only see your scheduled meetings and appointments but also your Reminders with due times, all in one timeline. This gives you a complete overview of your day, allowing you to better balance tasks and events without switching between apps.
Creating new reminders directly from the Calendar app is seamless. You can simply click on a time slot and choose whether you’re adding a calendar event or a task. This makes it easier to block time for things like phone calls, errands, or deadlines, helping you stay more organized and intentional with your schedule.
For those who rely heavily on to-do lists and schedules, this enhanced integration in macOS Sequoia transforms task management into a fluid, more visual experience, putting everything you need to stay productive in one place.
8. Safari Highlights
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Safari in macOS Sequoia introduces a range of thoughtful updates that make browsing faster, more intelligent, and better suited for productivity. Apple’s flagship browser now leverages on-device intelligence to help users navigate the web more efficiently, with features designed to surface key information, reduce distractions, and enhance privacy.
One of the standout additions is Highlights, a new feature that uses Apple Intelligence to automatically surface important details on a webpage, such as summaries, key points, directions, or contact info, without needing to scroll through the entire page. This is particularly useful when reading articles, browsing travel sites, or skimming product listings, helping you get what you need at a glance.
Safari also introduces an upgraded Reader Mode with built-in summaries. Now, instead of just removing clutter, Reader provides a quick overview of an article’s content, allowing users to decide whether it’s worth a full read. It’s a major time-saver for information-heavy browsing.
Performance has also been boosted, with Safari in Sequoia now faster and more responsive than ever, especially on Apple Silicon Macs. Enhanced privacy protections continue to be a focus, with smarter tracking prevention and better control over what data websites can access.
9. Creating Routes
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macOS Sequoia introduces a new and intuitive Creating Routes feature in the Maps app, giving users greater control and flexibility in planning trips and daily commutes. Whether you’re organizing a multi-stop journey or just navigating your regular route, this update brings powerful navigation tools directly to your Mac.
With Creating Routes, users can now plan multi-stop routes in advance, adding multiple destinations with ease. Simply search for a location, click “Add Stop,” and continue building your route step-by-step. This is perfect for road trips, errands, or business travel, helping you map out your entire day with precision.
You can reorder stops, view estimated travel times, and get route suggestions based on traffic conditions, all within the familiar and elegant Maps interface. Once your route is finalized, you can seamlessly send it to your iPhone or other Apple devices, ensuring a smooth handoff when you’re ready to hit the road.
