deepin Blog

After Preview, Alpha, and Beta community co-creation phases, deepin 25 debuts today! Centered on the theme "All Advancing, All Renewed", this release delivers four major innovations and implements over 1,000 optimizations and fixes, offering developers and users a more reliable, smoother, and freer open-source operating system experience.

DDE(deepin Desktop Environment)
The entire desktop environment has been comprehensively optimized, including QML refactoring of the Control Center and Notification Center. Upgrades span visual design to interactive experiences, delivering a more intuitive and user-friendly GUI. New thoughtful features significantly enhance UX, while these optimizations establish a robust foundation for future development.

QML refactoring of Control Center/Notification Center design style and interaction logic
Reorganized functional layout in Control Center
Optimized notification display (multi-line text, image support)
Unified UI controls across desktop for consistent visual language
Added window effect tiered settings
Added taskbar locking support
Added toggle for translucent effect during window movement
Added custom shutdown timer in Control Center > Updates
Added custom 3-/4-finger gestures in Control Center > Devices > Mouse & Touchpad
Added channel merging in Control Center > Sound
Added solid-color wallpaper support in Control Center > Wallpaper
Added update log display/export in Control Center > Updates
Added keyboard locking in Control Center > Devices
Added backup/restore entry for quick system operations

UOS AI
Empowers the OS with contextual AI, transitioning from functional use to proactive assistance. The system anticipates user needs during writing, translation, meetings, etc. UOS AI integrates DeepSeek, Baidu Qianfan, iFlytek Spark, 360 ZhiNao, Zhipu, ChatGPT, and other LLMs.

AddedAI dock on taskbar (click/drag files to activate)
Unified management of system settings, AI models, agents, and configurations in AI Assistant
Added Agent Store to expand AI capabilities
System configuration/preinstalled app management via UOS AI keywords
Activate UOS AI FollowAlong by swiping over text for AI-assisted functions
Natural language search via local models (text in images/documents)

Solid (deepin Immutable System)
Enforces read-only mounting of core directories to prevent unauthorized modifications and ensure long-term stability. Resolves incomplete updates and auto-rolls back to last stable state during failures.

Core system files mounted as "read-only"
Software/drivers installable as system extensions
Manage extensions (disable/update)
Atomic updates via incremental data processing
Auto-rollback if updates fail or system cannot boot
Worry-Free Restore: Instant system restoration upon reboot
Snapshot-based backup/restore (seconds, minimal disk usage)

Linyaps
A unified compatibility solution for global Linux distros, addressing dependency conflicts and enhancing application stability.

For Users:

Full support for AMD64, ARM64, LoongArch
Runs on Debian, Ubuntu, Arch, Fedora, openEuler
5,000+ software packages across architectures
For Developers:

Packaging tools forDeb, AppImage, Flatpak
Web-based visual packaging tools
Automated packaging for online/offline environments
Automated testing tools
More info about Linyaps: https://linyaps.org.cn/en

Distrobox Subsystem
One-click installation of distro environments via App Store:

Install Debian 12, Ubuntu (20.04/24.04), Arch, Fedora (41/42)
Launch subsystems via Launcher or taskbar

Treeland Window Compositor (Preview)
Self-developed compositor improving window management, UI responsiveness, and animation smoothness by 40%.

Note: Enable 3D acceleration in VMs. Wine apps (e.g., WeCom, Foxmail) are unsupported.

Theme/cursor/wallpaper settings
Window operations (open/close/move/maximize/minimize)
Multi-task view management
App window preview/switch/click
3/4/5-finger touchpad gesture tracking
Window shortcuts
Real-time multi-monitor scaling adjustment (no logout)

Other Optimizations & New Features
【Installer】

Added 17 languages
Regional options for localized App Store content
Localized format settings
Encryption upgraded from SM4 to AES
Optimized UI/UX with clearer guidance
【File Manager】

Quick "New Tab" button
Optimized path display + copy-path shortcut
Hide menu bar
Real-time search ("search-as-you-type")
Keyword highlighting in results
File indexing status indicator
Space-separated keyword search
【UOS AI】

Unified AI entry (click/drag activation)
Centralized settings for system/LLM/agents
Agent Store access
UOS AI FollowAlong text selection
Local-model NLP search (text in images/docs)
Session history + new sessions
Local model OTA updates
【Backup & Restore】

Ultra-fast system backups (seconds)
User data backup support
【Notepad/Text Editor】

Voice dictation/read-aloud via right-click
Voice-to-text input
【App Store】

Filter by package format in search
Display package formats in download/update/details pages
Preinstalled on ARM64/LoongArch systems

User Feedback Optimizations & Fixes
Preinstalled Wubi input method (China edition)
Preinstalled 29 LibreOffice spellcheck packs (global edition)
Optimized slow shutdown from process blocking
Fixed default formatting when reusing /home partition
Fixed incomplete system info on GRUB screen
Fixed text display in input method layouts
Optimized language/keyboard layout logic
Fixed write permissions after disabling Solid protection
Fixed boot failures post-update
Fixed WPA/WPA2 Enterprise Wi-Fi connections
Fixed erroneous TPM messages on non-TPM devices
Fixed inconsistent text in desktop right-click menu
Fixed taskbar "Smart Hide" interaction
Fixed small plugin icons on 4K screens
Fixed sidebar transparency in "Best Performance" mode
Fixed missing deepin ID taskbar menu
Fixed arrow controls for shutdown timer
Fixed lag when deleting files in Photo Album + recovery crash
Fixed invisible buttons in image viewer
Fixed CPU/RAM usage during background music playback
Fixed video player exit when skipping videos rapidlys