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Bianbu 2.2 Release Notes

Built from Ubuntu 24.04.1 sources.

Bianbu 2.2 sources:

Types: deb
URIs: https://archive.spacemit.com/bianbu/
Suites: noble/snapshots/v2.2 noble-security/snapshots/v2.2 noble-updates/snapshots/v2.2 noble-porting/snapshots/v2.2 noble-customization/snapshots/v2.2 bianbu-v2.2-updates
Components: main universe restricted multiverse
Signed-By: /usr/share/keyrings/bianbu-archive-keyring.gpg

Using this source allows you to install packages released in subsequent 2.2.x versions (such as 2.2.1), which are stored in bianbu-v2.2-updates. To download source code, change Types: deb to Types: deb deb-src.

v2.2​

Release date: 2025-5-9

Bianbu Linux version: v2.2

Major Updates​

New Image - bianbu-desktop-lite

  • Based on lxqt 2.1.0
  • Uses Wayland protocol by default
  • lxqt-wayland-session: new shortcuts
    • ctrl + shift + 3: screenshot entire screen
    • ctrl + shift + 4: screenshot custom area
    • F11: toggle fullscreen for applications
    • Ctrl + Alt + ←/→: switch between left/right workspaces
    • logo + F1~F4: jump to specified workspace

Display

  • wlroots:

    • Added real-time desktop frame rate display
    • Fixed issue where HDMI screen shows red lower half after hot-plugging in mirror mode

  • raindrop: Fixed issue where secondary desktop and icons may disappear in dual-screen extended mode

Multimedia

  • mpp: Fixed segment fault when multiple encoding occurs

  • pipewire: Fixed crash when locking screen during screen recording

  • gst-plugins-bad1.0:

    • Added feature for spacemitsrc plugin to exit actively during sleep
    • Added support for spacemitsrc to actively drop frames
    • Fixed issue where encoding could not exit for a long time

  • mpv:

    • Added dmabuf-wayland display backend
    • Fixed tearing issue when playing 120fps videos
    • Fixed video freeze issue during aging test

  • k1x-cam:

    • Added max96716_max96717_imx556 SerDes output feature
    • Added sc501ai output feature and completed ISP tuning
    • Added dual-channel CCIC raw dump feature
    • Fixed ov5647 abnormal exposure and high noise issue
    • Fixed dvdd_powen_cnt mismatch issue during power cycling

  • ffmpeg:

    • Added feature to decode and output one frame per input frame
    • Adjusted some log levels

Development Tools

  • gpiozero: Supports RV4B 40Pin interface

AI

  • asr-llm: Supports integration of automatic speech recognition with large language models

BSP

  • bianbu-esos: Adapted to v2.2 kernel; added related license information