Deepin 25.3 brings immutable Debian architecture updates, featuring a new freeze-protection mechanism for desktop components under heavy load, default 5GB log caps with disk-space safeguarding, and kernel 6.6.159 upgrades.
Explore the updated Treeland Wayland compositor fixes, snapshot recovery improvements, and preinstalled NVIDIA Container Toolkit integration.
Anti-clogging and space management
One of the most practical changes is a new mechanism to protect against system freezes. Even if the computer is overworked by heavy tasks, the taskbar, application launcher, and process manager remain accessible so that the user can close the program causing the problem. At the same time, system logs are now automatically limited to 5GB and stop writing if the free disk space drops below 5%.
Performance and system core
In the performance area, the developers have improved the speed of opening applications, with an emphasis on the central control panel and office programs. The default system kernel has been upgraded to version 6.6.159, including security fixes and boot issues on some devices, while for more modern hardware, version 6.18.56 is available through the kernel manager.
New artificial intelligence capabilities
The built-in assistant intelligence technology, known as UOS AI, has gained the ability to create reminders and scheduled tasks through simple everyday phrases. It also now has a single knowledge base for the entire disk, allowing for content search in local files authorized by the user, and brings together various assistants in a single environment.
Restore and backups
The restore and backup process has also evolved. System snapshots can now be stored locally, on USB drives, or on external hard drives, allowing for instant restore from any location. Additionally, system updates consume less additional disk space in the process.
Appearance, graphics and applications
The work environment has been improved to improve compatibility, the correct appearance of windows, and the operation of text input methods. The login screen has been adjusted so that the controls are easy to read even on light-colored wallpapers. Furthermore, the system pre-installs the necessary software to utilize the graphics card in isolated applications, while the installer can automatically select the appropriate graphics driver.
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Many pre-installed apps have gained new features. The image viewer supports cropping, rotation, annotations, and blur effects, the document viewer remembers the last reading position, and the text editor supports formatting. The file manager has an expandable folder tree in the sidebar, the calendar supports external programs, and the app store adds network settings and clearer information about installation errors.
Security fixes
Finally, the new version fixes multiple security issues involving libraries, networking tools, and system utilities, addressing, among other things, issues with dangerous commands and permissions checks.
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