On April 22, the Ubuntu Kylin operating system team officially released a new version 22.04 LTS, which is the fifth long-term support (LTS) version after 14.04, 16.04, 18.04, and 20.04. The official will provide technical support for 3 years.
The new version is equipped with Linux 5.15 LTS system kernel and UKUI 3.1 desktop environment by default, and a variety of Kirin self-developed applications have been fully upgraded.
In terms of detailed functions, the display of remaining charging time, complex touch gestures and operation animation teaching, system light mode settings, WeChat online login and support for opening personal hotspots, etc. have been added, and the display form of the taskbar area and taskbar startup time have been further optimized. , notification popup animation and file manager sidebar hierarchy, and fixed known issues such as Ctrl+Q not being able to close the music program, burning application memory leak risk, etc.
Linux 5.15 LTS system kernel: higher compatibility and stability
– Improved NTFS file system support;
– New SMB3 file server (KSBMD);
– Added temperature monitoring support for AMD Zen3 based APUs;
– ASUS ACPI platform profile support;
– Improved support for Intel 12th Gen Core CPUs;
– Merged Realtek RTL8188EU WiFi driver to replace the previous Realtek WiFi driver.
Brand new UKUI 3.1 desktop environment:
The theme of UKUI 3.1 is “Looking for Light”, introducing the design concepts of “large rounded corner design” and “light and shadow transformation”, which are fashionable and technological, and enable a new logo design.let the system become more personalized and tasteful.
In addition to the theme update, UKUI 3.1 has also upgraded and optimized the system interaction experience, making the overall operation more comfortable, simple and free.
Comprehensive upgrade of self-developed applications:
Kylin Calculator, Kylin Screenshot, Kylin Video, Kylin Recording, Kylin Camera, etc.More than ten Kylin self-developed applications have been fully upgraded, which not only enriches application functions, but also optimizes existing functions and components.
Installation method:
1. Available through Ubuntu Kylin’s official website (https://www.ubuntukylin.com/downloads/) or mirror sites to download and install Ubuntu Kylin 22.04 LTS version online.
2. Users who have installed the official version of 20.04 Pro SP1 can open the terminal and enter the following command to update to the 22.04 LTS version:
$sudoaptupdate
$sudoaptupgrade
$sudodo-release-upgrade–allow-third-party-d
Notice:
Cross-version upgrade, due to changes in the underlying library, some applications may not be able to open and other unknown problems;
During the upgrade process, there are places that need to be selected, unless there are special needs, generally press Enter.
【System function improvement and BUG repair log】
Desktop environment changes –
Start Menu
Added app collection feature
Added recent file module, which can quickly open recently edited documents
Support to hide the specific calling method of the data upload interface, expose the interface to limit the access of specified applications, and increase system security
Optimized sorting category switching and zooming to full screen menu operation animation
mission Board
Added three-state controls to open the application area and tray area
Support any drag and drop icon position
Optimize the user’s sense of asynchrony due to switching, and adopt a new unified interface interaction mode
Optimize taskbar startup time
Optimize the use of the taskbar area and adopt a new two-in-one display form
power management
Added battery balancing mode strategy
Added function to display remaining charging time
Added the function of automatically turning on the energy saving mode in low power or battery state
Added extremely low battery protection behavior to ensure that users are prompted to charge when the battery is extremely low
Support the function of dragging and changing the battery policy conveniently on the tray interface
Support custom switching power supply battery performance, balance, energy saving three strategy modes
Support custom low battery
Sidebar
Supports common functions for quick operation, such as screen projection, Bluetooth, brightness adjustment, etc.
Optimize the interaction effect of delete notification
Optimize the notification center logic and store all unseen messages in the sidebar
Notice
Added notification protocol configuration, support custom notification message resident, residence time, close message and other functions
Support click on the message to jump to the application interface in real time
Optimize the notification pop-up window, and enter the sidebar after the timeout disappears for easy viewing
Optimize notification popup animation
search
Added the function of searching the content of the notebook
Support keyboard operation search results
Optimize the memory usage of file indexing, the peak value does not exceed 500m
Optimize disk io usage, increase buffer queue and merge processing through inotify signal
User Provisioning Service (USD)
Support theme switching
Support frosted glass display effect
The internet
Added agent function to realize user isolation
Added multi-NIC option to support wired multi-NIC management
Added the function of creating a wireless hotspot, supporting 4G and 5G
Added network configuration details page to support users to create new configurations directly
Added support for ttls type enterprise network
Support disable/enable wired network card
Optimize wired list sorting to improve performance
Touch screen solution
Added complex touch operation animation demonstration function
Added two-finger continuous scrolling list and page function
Added four-finger to open global search and switch between application windows
Added “More Gestures” function to support users to quickly query all touch gestures in the system
Support single-finger operation to call out the sidebar, display all task windows and other scene functions
multitasking view
Support for creating/deleting workspaces
Supports free movement of application windows to various workspaces
control Panel
Added system light mode setting
In multi-screen scenarios, intelligently detect and prompt the current display type
Support to modify the computer name
Support to modify user nickname
Supports multiple login options and adds biometric authentication
Support free switching of three system themes of Xunguang, Kaidian, and Heyin
Support custom screensaver
Support custom desktop background display mode
Support custom settings for apt proxy service and port
Optimize abnormal prompt copy and display effect
Bluetooth
Added multi-file transfer function
Added Bluetooth device classification function
Realize the functions of bluetooth tray, bluetooth setting and service stripping, improve the fluency and stability of bluetooth use
Log in
Added network configuration function
Added scan code login function
Realize unified authentication functions such as face, fingerprint and fingerprint reader
lock screen saver
Support second-level login, quickly enter the desktop environment
Biometric Management
Added biometric application scope, such as login, authorization, etc.
Authorize
Added biometrics, QR code authorization
system monitor
Added application process category
Add service program list
Real-time display of processor, network speed
User Manual
Added application manual search function
Support control panel secondary module jump
Optimize homepage application classification
file manager
Added large file deletion policy, files larger than 10G are only permanently deleted
Optimize the sidebar level
theme
Implemented the third set of Japanese style icon themes
Implement cursor follow zoom in high resolution
session manager
Added system monitor quick entry
Support user switching function to distinguish single/multi-user scenarios
theme frame
New application three-state free switching theme function
Implement platform theme new palette interface development
Realize the reconstruction and development of all basic controls of UKUI3.1
Fix all control right angle issues
(tray) U disk tool
Adapt to UI theme color matching
Optimized device information acquisition and hot-plug message notification display
Alarm clock
Added one-key mute function
Added the function of setting an alarm to remind later
Added mini countdown window
Added the function of marking the longest and shortest count interval
Support the right-click editing function of the alarm clock item
Support custom ringtones
Optimize the editing of the zoom alarm clock time, and set the time wheel font for the countdown
Optimize the countdown running UI to improve user interaction experience
Application software changes –
weather
Added the “whether to allow positioning” judgment
Added background color adjustment function
Optimize the style of the search drop-down box
Optimized the display layout of the main page
burn
Fixed a possible bug when dragging and dropping files into the software
Fixed a known memory leak issue inside the software
Updated the pictures and corresponding explanations in the user manual
calculator
Added base conversion function
Biography
Added friend & chat content search function
look at the picture
Added a sidebar that can be hidden on the left
Added crop function
Added save as function
Support image renaming
Support for in-app printing
Support exr, psd, jfi format
Supports printer properties setting and uninstalling printers
Support printer manual, automatic adaptation, driver download
recording
Added audio trimming function
Support recording system sound
Optimized the menu bar prompt information
scanning
Some adaptation issues have been resolved
screenshot
Increase the linkage of the message pop-up box
Optimize the function of drawing tools
software store
Added functions to delete self-evaluation and main menu settings (complete background automatic update of apps and allow app update notifications)
Increase the number of software pictures displayed, and display software content from multiple angles
Support search box to clear all content with one click
Optimize the content and layout adjustment of the software details page
Optimize the application update module, display the number of software to be updated by default
U disk launcher
Added right-click on the image file to open the U disk launcher
Updated user manual
Camera
Added gridlines feature
Added continuous shooting function
Optimized menu bar style
Optimized setting the popup window style
Optimized the opening entry style of the historical entry
video
Adapt to high version qt
music
Fixed that Ctrl+Q could not close the music program
Fixed playing music into S4, the sound will continue to play for 1-2S after the monitor goes black
Fixed the probability of crashing when right-clicking the currently playing concert
Fixed taglib version dependency issue
Hashtags: Ubuntu Kylin OS Linux
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