macOS Catalina for mac (macos 10.15 system)

Sajjad Hussain
Sep 30 · 17 min read
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Since Apple released the news of the system update, many Apple users are very concerned about the content of this update, so the I brings you a detailed introduction to the latest features of macOS Catalina for mac (macos 10.15 system), this time macOS Catalina The 10.15.7 official version update is released. This update mainly provides important security updates and bug fixes for your Mac.

Complete list of new features

Many new features come with macOS Catalina.

macOS Catalina allows users to achieve all kinds of excitement in a better way. Whether you are creating or enjoying exploration, you will have an experience far beyond the previous.

1. The music is

Designed for Apple Music

Listen to and download tens of millions of songs online without any interruption by ads. Every time you open the app, you can enjoy the excellent experience brought by Apple Music, and you can also find music that suits your personal preferences in the “Recommended for You” tab.

Now Playing

The player of the new music app has been optimized. You can listen to the music while viewing the lyrics, or click to control the upcoming song. You can also switch to a mini player program and listen to songs while processing other things.

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All your music is stored in one place, in an orderly manner. The new sidebar has a familiar menu, where you can view artists, albums, songs, playlists, and recently added content. The database page has also been updated, and now you can quickly find the song you want in the music collection by entering the search content.

2. Podcast

Listen now

Continue to listen to your favorite podcasts, or check the air time of a new episode. You can also easily find other content you might like based on the program you are listening to.

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Podcast library

The Apple Podcast Database gathers all the programs you have subscribed or added, and is arranged in order of single episodes and program names. You can download your favorite programs for offline listening.


Every week, our editors will carefully select from a large number of programs and present selected podcasts for you to enjoy. You can experience the content in the new product recommendation, or see which popular programs are available.

Search for

When you search for a topic or person, the search function can now provide more accurate results, and even find the episode that has a particular guest or host.

3. Synchronization

Media synchronization

Apple Music and Apple Podcasting are two major services that can synchronize content on all your devices via the cloud. If you want to synchronize by connecting a cable, you can also do it separately in each app.

Backup, update and restore via Finder

Every time you connect a device, you can find it in the Finder sidebar. You can backup, update and restore devices here.

4. Photos

New “Photos” tab

Present your photos and memories with a new and wonderful browsing experience.

Sort by year, month, day

The photos are sorted by year, month, and day, making it easy for you to search and relive good memories. Animation and transition effects will remember your browsing position in the timeline, so that you can keep the position consistent when switching back and forth between several views.

Large size photo preview

The size of the photo preview is larger, making it easier for you to recognize. The photo app will use smart technology to select the most exciting part of the picture and display it in the preview, and when you open it, you will see the unedited complete photo.

Automatically play live photos and videos

As you scroll through, live photos and videos will start to play, bringing your photo gallery to life.

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Through Mac’s machine learning technology, the photo app can understand the people and what is happening in the picture, and can automatically select important moments such as birthdays, anniversaries, and travel.

Highlight great photos

The photo app can smartly remove repetitive and cluttered content, making the wonderful works in the photo gallery the focus of vision.

All photos

The “All Photos” view displays all your photos and videos in a grid. You can zoom in to see the big preview, or zoom out to view the entire photo collection. You can also choose to browse photos and videos in square or original format.

Reminiscence video

Now you can browse “Memories” videos on your Mac, and edit the duration, style and title of the videos. With iCloud Photos, you can also sync editing content to other devices.

5. Memo

Gallery view

The new gallery view presents memos as thumbnails, making it easier and faster to find what you need.

Shared folder

Collaborate with others on the entire folder, including all the memos and sub-files in it. You can invite others to use the folder together, and everyone can add memos, attachments or subfolders.

Collaborate as “view only”

Now you can share memos or entire folders with others in a “view only” way so that only you can make changes to them.

More powerful search function

For the photos you add to the memo, the search function can identify the objects or scenes, and its built-in document scanner can help you find specific text in the scanned document. The search function can also provide search suggestions before you type, just click to view.

New checklist option

Use drag-and-drop actions or keyboard shortcuts to reorder items in the checklist or move completed items to the bottom. If you want to use the completed checklist again, just click to uncheck all items and start over.

6. Reminders

Brand new design

The redesigned reminder app has a new user interface and more powerful functions, making it easier to create, organize and follow up reminders.

New edit button

Use the new edit button to quickly add date, time, location or flags to reminders without jumping to other views.

Optimized Siri smart technology

You can enter longer descriptive sentences, reminders will understand and provide relevant suggestions. Siri on your device also has the wisdom to predict your needs. When you mention planning content in the messaging app, it will suggest you to create reminders.


Add attachments to your reminders to make the content more substantial and useful. You can add photos, scanned documents, and even web links to reminders, so you can go directly to websites related to reminders.

Task and group list

Provide more ways to organize reminders. You can select multiple tasks and list them as high-priority reminders, and you can also combine multiple lists.

Smart list

The new smart list can automatically organize the upcoming reminders and divide them into intuitive groups such as “Today”, “Mark”, “Plan” or “All” so that you can view them in a single list.

Customize the appearance of the list

12 kinds of bright colors and 60 kinds of vivid symbols are available to help you easily customize the appearance of personal or shared iCloud lists.

Integration with information App

If you mark someone in the reminder, next time you talk in the messaging app, you will receive a reminder about the reminder.

7. Safari browser

Optimized start page

The optimized start page includes personal favorites and frequently visited websites. Siri suggests that related websites in the browsing history, recently visited websites, bookmarks, reading lists, iCloud tabs, and links you received in the information app will also be displayed here.

Weak password warning

When you register a new account in the Safari browser and enter a weak password that can be easily cracked, the Safari browser will warn you and will help you replace the weak password with a strong password.

Use the tab audio button to enable picture-in-picture

Use the tab audio button to quickly enable the picture-in-picture function.

Switch from the smart search bar to the open tab

When you start typing the URL of an open website, Safari will directly jump to the opened tab.

8. Mail

Block the sender

Mail can block all e-mails from a specific sender and move the information directly to the trash. As in the messaging app, you only need to click on the sender’s name in the header of any email to use this function.


Now, a link to unsubscribe from the commercial promotion list will be displayed above the email title. Tap “Unsubscribe” to request that your email address be removed from this list.

Mute email subject

When the email notification of a certain topic is too frequent, the email subject mute function can mute the notification reminder.

Optimized classic layout

The mail viewer uses a multi-column layout, and the preview of the current mail can be presented at the bottom or on the right side of the mailing list.

9. Sidecar2

Extend the desktop

The iPad can be used as the second display of the Mac, providing additional screen space. You can open an app here for work, and open another for reference there; or edit the presentation on the Mac while viewing the presentation effect on the iPad.

Mirror desktop

The Mac screen content can be mirrored to the iPad screen, so that both sides display the same screen, which is very suitable for sharing what you see with others.

Both wired and wireless are easy to use

Use the cable to connect the iPad to the Mac and continue to power it. It can also be connected wirelessly within a range of 10 meters, making it more flexible and convenient to use.

Draw and sketch in the App

Experience the precision and intuitiveness of Apple Pencil in your favorite creative Mac app. You can use it to easily write and draw, edit photos or pictures, or perform click operations, just like a mouse.

Mark supports continuous intercommunication

Use Apple Pencil to write, draw on PDF files, or add marks to documents. While you make these marks on your iPad, you can see these updates in real time on your Mac.

Speed ​​drawing supports continuous intercommunication

Sketches made on iPad with Apple Pencil can be easily inserted into any document on Mac.


Using the familiar multi-touch gestures on the iPad, coupled with the new text editing gestures, allows you to complete cut, copy, paste, and undo operations without leaving the on-screen keyboard with your fingers.


You can easily use those commonly used control options through the sidebar. Modifier keys can be used to enable shortcut keys in various professional apps, and buttons can also be used to perform undo and show or hide the menu bar, dock, and keyboard.

Touch Bar

For apps that support the touch bar, the controllable options will be displayed at the bottom of the iPad screen, even if your Mac is not equipped with a touch bar.

Developer support

Developers do not need to spend a lot of time on how to use Sidecar, the function is available immediately. Apps with advanced stylus support can enable the pressure and tilt angle sensing of Apple Pencil through Tablet Events in AppKit. In addition, developers can use the changeMode event to customize the instructions executed by tapping the body of the Apple Pencil twice.

10. App that supports SideBar

11. Screen usage time

Usage report

Screen usage time creates usage reports that show how long you use your Mac, the apps you use most often, and the number of notifications you have received. Screen usage time can be used to aggregate your usage information on iPhone, iPad and Mac through iCloud, and synchronize the deactivation time and App limit to these devices.

Deactivation time

You can set the deactivation time through the screen usage time. During the deactivation period, you (or your child) can only use those specific apps with your permission.

App limit

App quota function can be used to set the length of time to use apps and websites. You can set specific settings by total duration, category or specific app.

Consolidation limit

Create combined limits for different categories, specific apps and websites.

One more minute

When the time limit is about to run out, you can tap “One more minute” to quickly save your work or end the conversation.

Limited communication

Restricted communication allows you to control who your child can communicate with and who can communicate with your child during normal use and inactive hours.

Child contact list management

Parents can use the screen time to manage the contacts that can be displayed on the child’s device.

Family sharing

Parents can set the screen time on any device such as iPhone, iPad, or Mac, and set all the settings for each device of the child.

12. Security

Dedicated system volume

macOS Catalina runs in a dedicated read-only system volume, independent of all other data on the Mac, so there is no accidental overwriting of system files.

DriverKit and user space system extension

Previously, many hardware peripherals and complex functions required the use of kernel extensions or kext files to run their code directly in macOS. Now, these programs can be run separately from the operating system like any other app. In this way, even if they make mistakes, they will not affect macOS.

Enhanced access control function

The access control function ensures that all new apps you install have been checked by Apple for known security issues before they run for the first time, whether they come from the App Store or the Internet. After that, the access control function will also periodically check these apps. This move extends security from the source of app downloads to automatic inspection of app content.

Data protection

macOS Catalina will only allow the app to access the “Documents”, “Desktop” and “Downloads” folders, iCloud Drive, folders of third-party cloud storage providers, removable media and external files after verifying with you. Data in the volume. The app must obtain your consent before it can record your keyboard activity or capture screenshots and videos.

Activation lock

Now all Mac models with Apple T2 security chip can support activation lock, just like your iPhone or iPad. In this way, if your Mac is not found or lost, only you can erase and reactivate it.

13. Find

Two great apps combined into one

“Find My iPhone” and “Find My Friends” are now integrated into a very simple and easy-to-use app that can help you locate important friends and devices.

Find offline devices

Even if the lost device is not connected to Wi-Fi, you can still get location information from public sources. When you mark a device as missing and there is another Apple user’s device nearby, the device can detect the Bluetooth signal of the missing device and report its location to you. This process is completely anonymous and uses end-to-end encryption technology to ensure that everyone’s privacy is guaranteed.

Optimized location notification

Location notifications can now be scheduled for different days of the week, more useful location names, and enhanced privacy controls.

14. Approval using Apple Watch

View password

Now, whenever you need to enter a Mac password, such as viewing the password in the Safari browser preferences, you only need to double-click the side button of the Apple Watch to complete the verification on the Mac.

Confirm App installation

Unlock the encrypted memo, confirm the app installation, cancel the settings in the system preferences, modify the root file, all of which can be done on your Apple Watch.

15. Accessibility

voice control

Voice control brings a new way of control, you can take full control of your Mac just through your voice.

Accurate dictation

Voice control uses the Siri voice recognition engine to enhance the existing optimized dictation function3, enabling you to use the latest machine learning technology to help convert speech to text.

Add custom words

Whether writing a biology report, filling out a legal document, or discussing a fixed topic via email, you can add custom words to ensure that voice control recognizes your idioms.

Processing on the device side

All audio processing in voice control is done on your device to ensure your personal data is safe and private.

Rich text editing functions

Thanks to the rich text editing instructions, you don’t need to practice what you want to say beforehand. To modify the text is fast and simple, you can directly say the phrase you want to replace. For example, you can say: “Replace’I’m coming’ with’I just arrived’.” The fine selection function also allows you to easily select text. For example, you can say: “Move up two lines and select the previous word. “

Words and emoji suggestions

If you need to correct words, a new selection interface will appear for you to operate. Just ask to correct a word and you will see a list of suggested replacement options.

Dictation and instruction seamless conversion

Voice control understands context, so you can seamlessly switch between text dictation and instructions. For example, say “Happy Birthday. Click Send” in the messaging app, and the voice control will send “Happy Birthday” as you wish. You can also say “delete it” and the voice control will delete the content you just entered.

Comprehensive app navigation

You only need to use voice to fully navigate the app, through navigation instructions, accessibility label names, numbers, and grids to achieve comprehensive navigation operations.

Navigation instructions

Navigation commands allow you to quickly interact with macOS and apps. You can open the app, search the website, start the focused search, and perform more operations.


To the voice control, you can easily navigate by saying the name of the accessibility label of the button, link and other items you need to operate.

Digital number

Say “show numbers” and a number will appear next to all clickable items on the screen. In this way, you can quickly navigate through complex and infrequently used apps. The digital number will be automatically displayed in the menu, and when items with the same name appear, they will also be distinguished by numbers. Just saying the number is equivalent to clicking the corresponding item.


If you need to touch the part of the screen that has no controllable items, you can add a layer of grid to operate. Say “show grid” to stack grids on the screen, allowing you to accurately perform multiple operations such as selection, zooming, and dragging.

Hover text

Hovering text can display high-resolution large-font text, text boxes, menu items, buttons, etc. in a dedicated window. Just hover the cursor over any text, and then press the Control key. A window with large fonts will appear next to the standard interface, which helps you understand the context. The text will be displayed clearly in the font and color you choose. At the same time, you can also click the button to operate, and directly enter the content in the enlarged window.

Magnified auxiliary display

When you use the second display, you can see the same screen at the near and far end at the same time. You can zoom in on one display while keeping the other at standard resolution. Or while doing a presentation, zoom in on your Mac.

Simplified Tab navigation

Narrator users can now use simplified keyboard navigation without the cumbersome use of specific cursor positions. You can use the Tab key to more easily select different elements, such as window traffic light buttons, toolbar buttons, and scroll bars.

New Siri voice for narration and voice

Users who like Siri’s natural-style voice can select Siri voices for narration and voice in the accessibility preferences.

iCloud punctuation

Voice-over users often customize the way punctuation is spoken. These customization items are now stored in iCloud, and users will have a consistent experience whether they use macOS, iPadOS or iOS.

More international braille forms

macOS Catalina adds more international braille tables and allows you to switch quickly.

Narration support in Xcode goes further

Narrator can now read aloud warnings, line numbers, and pauses in the Xcode text editor.

Display color filter

Users with color vision defects can adjust the display color through the new color filter options. Your Mac will change the colors on the screen to help you easily distinguish areas that are difficult to distinguish. You can turn this preference on or off by holding down Command-Option-F5 in the accessibility options panel.

Change the color of the entire display

With new display options, you can set the entire display to the selected hue. In the opinion of some users, specific tones can make text look clearer and easier to read.

16. Apple ID account information

Apple ID account details are integrated in one place

Now you can access all the important information of your Apple ID account directly from the system preferences of your Mac.

Overview and useful notifications

The newly launched overview panel allows you to quickly browse important tips and notifications to ensure that your account login is normal and in a safe state, and that all the functions you want have been set up and are running normally.

Basic account and security details

Easily check account details, including your name, contact information, password, security details, payment and delivery information, and preferences for receiving email pushes.

iCloud settings

View and update your iCloud settings, and you can manage or upgrade your storage plan at any time.

Media and purchase items

Easily access existing subscription content, past purchases, and account settings related to the App Store, iTunes, Apple Music, Apple Books, etc.

Family sharing

Check the subscription content you share, the services you have enabled, the members who have the “Ask Before Buying” feature turned on, and more.

View all your devices

View a list of all devices logged in with your account. Check the last backup completion time of the device and find detailed information such as app working status.

17. QuickTime Player

Picture in Picture (PiP)

With just one click in the navigation controller, you can play the video in an adjustable size window without being blocked by other windows, allowing you to watch while processing other things.

Enhanced movie checker

The movie inspector panel can display the depth technical information of the currently opened media file, such as video color space, HDR format, bit depth, ratio, and aspect ratio.

Open image sequence

Browse the sequentially numbered images in the folder, and then select the desired resolution, frame rate, and encoding quality to create a movie file in H.264, HEVC or ProRes encoding format.

Timecode support

When using QuickTime Player to open a media file with embedded time code, the navigation controller on the screen will display the relevant time information.

Transparent video support

When exporting to HEVC format, you can choose to preserve the transparency of ProRes 4444 files.

18. Family

HomeKit security video

Cooperating with home hubs such as HomePod, HomeKit-enabled cameras will record videos and store them safely in iCloud when they detect people, animals, or vehicles. You can choose to receive notifications for recording video clips, and then watch the video in the home app on your Mac. And in the home app, playing content on iCloud can also display the timeline of video recording. In addition, you can also share the recording, delete or save it to the photo gallery.

Play audio in scenes and automation

Now HomePod and speakers that support AirPlay 2 can work with other HomeKit accessories to play songs, playlists and radio programs from Apple Music in scenes and automation.

19. Globalization function

New multilingual settings for macOS

Choose the language through the setting assistant, including keyboard language and dictation language, allowing you to customize your language preferences from the beginning.

Added relationship labels in the address book

The address book has now added hundreds of more explicit relationship labels to help you manage your contact list. For example, there are “cousin/cousin” and “cousin/cousin” for you to choose.

Cantonese keyboard input prediction

The new Cantonese input prediction is applicable to Traditional Chinese Cangjie, Quick, Stroke and Handwriting keyboards, bringing more relevant character and emoji predictions for Cantonese users.

Japanese input prediction is further optimized

The new neural language model can analyze the first input sentence, so that the content of the prediction is more unified in grammar and more relevant in content.

Add new fonts for Indian languages

34 new fonts have been added, including 4 system fonts and 30 document fonts, suitable for Gujarati, Hindi, Kannada, Oriya, Punjabi and other languages.

New Indian English Siri voice

The new Indian English male and female Siri voices make Siri sound more realistic and expressive.

The dictionary contains new languages

The new dictionary includes Thai-English and Vietnamese-English.

20 Other functions

iCloud folder sharing

Now you can use private links to share folders. Anyone with access rights can view the folder in iCloud Drive, add new files, and get the latest version of the file.

Third-party cloud service integration

The new FileProvider API brings cloud storage providers a new way, allowing them to seamlessly integrate services into the Finder without the need for kernel extensions to help maintain the security of the Mac. Cloud storage providers can now provide their apps on the Mac App Store.

Recover from snapshot

If your third-party software is not compatible with the update you just installed, you can use “macOS Recovery” to restore the system from the computer snapshot before the installation. macOS and all your apps will continue to run in the same way they were before the update was installed.

God Hardware

For hardware discussion

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