Important Notice:

Please prioritize using the Control Center for system upgrades: Control Center - Updates - Check for Updates.

After this upgrade, the original Linglong applications will no longer be usable. Please use the pre-installed "linglong-repair-tool" to uninstall Linglong applications and automatically install deb format applications. For specific instructions, please refer to the link provided：https://bbs.deepin.org/en/post/272357

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[New Features]

[Installer]

• Optimized the details of the installer UI.
• Updated the carousel images in the installer.
• Added a trial mode for experiencing the system without installation.
• Reverted pre-installed applications to deb versions.
• Support for 14th generation U terminal devices.
• Provided dual kernel options of 5.15 and 6.6.

[Launcher]

• Changed the window mode layout of the launcher to a three-section style and added quick access functionality.
• Added a free sorting mode for the launcher window mode list, which sorts the application order in free sorting mode based on the order in full-screen mode.
• In the launcher window mode's free sorting mode, added the ability to drag applications to create new application groups.
• In the launcher window mode's free sorting mode, added support for modifying file group names.
• In the launcher window mode's free sorting mode, supported dragging custom applications to change the order and move them to the top of the list.
• In the launcher window mode's alphabetical sorting mode, added a letter index feature.
• Optimized the display rules for letters in the launcher window mode's alphabetical sorting mode to only show letters for existing applications.
• In the launcher window mode's category sorting, added index functionality for category index. Clicking on a category will enter the index menu.
• Added a "Frequently Used Software" module to display commonly used applications based on user usage frequency.
• Added a "Recently Installed" feature to display recently installed but unused applications in the recent installation area.
• Optimized the keyboard interaction behavior in the launcher.
• Enhanced the functionality and completion of Pinyin, English, and Chinese character searches in the launcher.
• Optimized the keyboard interaction behavior in the launcher.

[Taskbar]

• The taskbar has been refactored using QML.
• Added a shortcut to the clipboard plugin in the left area of the taskbar.
• Added a shortcut to global search in the left area of the taskbar.
• Added a quick switch function for workspace views on the left side of the taskbar. You can quickly switch between workspaces using the workspace preview icons.
• The entry for the multitasking view has been modified. You can now add and delete items in the multitasking view using shortcut keys.
• The default display for workspace views is 2, with a maximum of 6 and a minimum of 1, where the taskbar will not display icons.
• Users can hide the default content displayed in the lower left corner through the multitasking view and the Plugin Manager in Control Center-Personalization.
• Removed the previous stylish and efficient modes.
• Added the ability to adjust the application area's docking position in the right-click menu of the taskbar.
• Added adaptive capability to the application activation indicator, where the style of the indicator dynamically changes with the size of the icon.
• Updated the icon style of the quick panel plugin.

[File Manager]

• Added the Ctrl+D shortcut to quickly delete files.
• Added the Ctrl+Shift+N shortcut to quickly create file directories.

[Calendar]

• Added support for cloud synchronization of calendar schedules.
• Added an option to start the week on the day set by the system.
• Added an option to follow the system time settings.

[App Store]

• Optimized the application description and new feature display on the application details page, with a default display of 5 lines.
• Modified the application launch animation style.
• Adapted to the deepin-service-manager plugin.

[Browser]

• Added support for cloud synchronization of browser favorites, tabs, and other user data.

[UOS AI]

• Optimized the application window interaction logic.
• Added support for invoking and setting system settings through keyword descriptions (e.g., adjusting screen brightness to 100%).
• Added support for generating images through text descriptions.

[Cross-device Collaboration]

• Transformed the previous cross-device collaboration application into a standalone application.
• Optimized the overall interaction experience on the deepin side.
• Added support for mouse and keyboard sharing between devices.
• Added support for clipboard sharing between devices.
• Added support for file transfer between different terminals and devices.
• Updated the Windows application version, download address: URL.

[Other]

• Updated the fcitx font package to solve the issue of users unable to input traditional Chinese characters (users can add the fifth-generation Cangjie input method).
• Optimized the icon style for the "More" option in windows settings.
• Optimized the waiting time for the system shutdown application blocking state, reducing the blocking waiting time from 90 seconds to 30 seconds.

【Bug Fixes】

• Fixed the issue where the system had to wait for 90 seconds due to some application processes blocking during shutdown.
• Fixed the ambiguity issue in the transparency adjustment text in Control Center-Personalization.
• Fixed the issue where users couldn't log in again after logging out of deepin ID through Control Center.
• Fixed the blurriness issue of the keyboard layout viewer in non-1.0 scaling scenarios.
• Fixed the issue where the "grub-customizer" package couldn't be installed through the terminal command.
• Fixed the issue where the "sudo apt install mariadb-server" command couldn't install properly.
• Fixed the issue where the "sudo apt install mariadb-client" command couldn't install properly.
• Fixed the issue where the "sudo apt install gcc-riscv64-linux-gnu" package couldn't be installed properly.
• Fixed the issue where the "sudo apt install gcc-arm-linux-gnueabi" package couldn't be installed properly.
• Fixed the issue where some users couldn't enable hotspot functionality properly (updated network-manager to version 1.44).
• Fixed the cursor style issue when clicking on the multitasking view with a zoom setting of 1.75 or above.
• Fixed the issue where application interfaces were enlarged 3-4 times on 4K screens.
• Fixed the issue where multiple lines of path were displayed when scaling the terminal window to the minimum size and the current path length exceeded the terminal width.
• Fixed the issue where the buttons in the Fcitx 5 migration wizard tool were not internationalized in the Chinese environment.
• Fixed the blurriness issue of the select-all checkbox in the Fcitx 5 migration wizard tool.
• Fixed the issue where the shortcut keys for switching to the first input method configuration were lost after clicking the restart button on the input method icon in the taskbar.
• Fixed the synchronization issue of the title bar right-click menu with screen scaling.
• Fixed the issue where the font size of the title bar menu did not follow the system font size adjustment.
• Fixed the issue where the taskbar was hidden (set to the task switcher list) when switching windows with the alt+tab shortcut.
• Fixed the issue where the Control Center-System-Time Zone-Edit interface was displayed as a transparent interface.
• Fixed the issue where the taskbar changed from rounded corners to square corners when reducing the taskbar height.
• Fixed the issue where the magnifier state was not reset after restarting when the magnifier function was enabled.
• Fixed the blurriness issue of the tooltip for the taskbar application icon names.
• Fixed the issue where rounded windows in the system tray area had white transparent borders in dark mode.
• Fixed the display issue of the qq interface when scaling was set to 2.25 on a 4K screen.
• Fixed the issue where the checkmark icon in the right-click menu was oversized.
• Fixed the flickering issue in Control Center when switching submenus in the power menu after disabling window closing effects.
• Fixed the styling issue of the menu button and delete button in the music application in dark mode.
• Fixed the excessive distance between the page-turning button on the launcher and the taskbar when the taskbar was on top.
• Fixed the issue where the launcher did not cover the entire screen in full-screen mode.
• Fixed the issue where deleting a workspace window in multitasking view caused lagging and prevented successful deletion during screen recording.
• Fixed the transparency issue of the pop-up interface when clicking on the quick panel in the taskbar.
• Fixed the issue where "Nutstore" could not be installed properly.
• Fixed the issue where multiple wired connections were added to the network list when plugging in the Ethernet cable on a laptop.
• Fixed the issue where Deepin Home Daemon icons appeared on the desktop for new administrator or standard user logins.
• Fixed git security vulnerability to improve system security

【Terminal】

• Fixed the issue where the terminal's "God of Thunder" mode was initially obscured by the dock.
• Fixed the issue where the terminal's autocomplete feature was malfunctioning.
• Fixed the issue where the terminal theme affected the system theme.

【Camera】

• Fixed the installation failure issue when installing the camera through terminal command.

【Mail】

• Fixed the issue where clicking on a notification to view new emails did not display the email details properly.

【App Store】

• Fixed the issue where swiping down with four fingers on the touchpad in the multitasking view did not return to the desktop.
• Fixed the issue where windows would automatically move to the center of the screen and resize when restored from minimized state.
• Fixed the issue where the bottom blur effect of the left sidebar was lost when maximizing windows.
• Fixed the client crash issue when continuously switching sorting conditions on the app tag list page in the app details.
• Fixed the client freeze issue when clicking on "App Updates" while uninstalling an app.

【Known Issues to be Fixed】

• Occasionally, the mouse dragging to adjust the taskbar height and size does not take effect when the launcher is invoked.
• Unable to drag apps to the taskbar from the launcher.
• The original personalization settings in the right-click menu of the taskbar are not supported (displayed as grayed out).
• The options in the taskbar app layout, position, and status menus are deselected and not displayed after being clicked again.
• Copying files to the desktop causes two file manager icons to appear on the taskbar.
• When the taskbar is set to always hide, the animation does not appear as designed when the mouse is invoked.
• Taskbar crashes when right-clicking on the system monitor plugin icon.
• Taskbar crashes when right-clicking on the system monitor plugin icon in dual-screen extended mode.
• In dual-screen extended mode, with the taskbar set to always hide, the taskbar can only be invoked by placing the mouse on the secondary screen.
• In dual-screen extended mode, when the taskbar position is set to only display on the main screen, it does not follow the switch to the main screen after switching.
• When set to follow the mouse position, the taskbar does not follow when the mouse is moved to the other screen.
• When opening the file manager from the launcher sidebar, the taskbar displays an abnormal icon.
• No animation effect when dragging icons in full-screen mode.
• Some app icons may appear as small black squares.
• After uninstalling the screenshot and screen recording app, the "Scree...pture" remains in the taskbar quick panel with no response when clicked.
• In window mode, scrolling through the name and category lists does not immediately follow the first letter scrolling up.
• The cinema app crashes when opening AV1-decoded MP4 videos.
• After switching themes or icon themes, there may be lag and reloading of the applications on the taskbar.
• .deb packages downloaded from the web prompt "Can only install local .deb packages" when opened from the browser for installation.
• DDF-format images created in the drawing board cannot be opened.

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The correct way to join the internal test:

①Upgrade the system to deepin V23 Beta2；

②Open the internal test channel: [Control Center] > [Update] > [Update Settings] > [Internal Test Channel] to open the option；

③ Follow the guidelines to complete the opening of the internal test channel；

How to report bugs or submit suggestions?

• First of all, please make sure that the system version is upgraded to the latest beta version to avoid problems caused by inconsistent versions;
• Secondly, if you find any bugs or have any good ideas, please give your feedback on deepin Home . deepin Home is a default app of deepin OS, and you can update or download it through deepin App Store.
• 

Join the beta group:

Anyone who intends to participate in the internal test, please scan the code to contact the administrator, note: participate in the internal test (if the reply is not timely, please wait a moment)

Welcome to join the internal test group and interact with us. Thanks to every member of the internal test team for their active participation!

• Beta group ：https://t.me/deepin_testing
• deepin Facebook Group: https://www.facebook.com/groups/mydeepinlinux/?mibextid=oMANbw

Grateful

Many thanks to all the members of the internal testing team for your active participation!