Raspbian 2019-06-20 发布了，Raspbian 是针对 Raspberry Pi 专门优化、基于 Debian 的 Raspbian OS。它面向 Raspberry Pi 硬件（armhf 处理器架构）而做了优化。
这款 OS 对浮点运算有更好的支持，能为用户带来更快的上网浏览体验。另外在固件、核心、应用方面也都有了改进，而且据称它是最适合普通用户使用的 OS。
2019-06-20: * Based on Debian Buster * Support for Raspberry Pi 4 hardware * FKMS OpenGL desktop graphics driver and xcompmgr compositing window manager used when running on Raspberry Pi 4 * Screen Configuration application added for use with FKMS driver * Raspberry Pi 4 video output options added to Raspberry Pi Configuration * Uses new PiXflat UI theme for GTK and Openbox * CPU activity gauge plugin no longer shown on taskbar by default * CPU temperature gauge plugin added (not shown by default) * USB ejecter and Bluetooth taskbar icons hidden when not appropriate * Version 74.0.3729.157 of Chromium web browser included * Version 32.0.0.207 of Flash player included * IDLE Python IDE removed * Wolfram Mathematica removed temporarily due to incompatibility with Buster * Display of package sizes removed from Recommended Software * Appearance Settings modified to support independent settings for two monitors * Oracle Java 7 and 8 replaced with OpenJDK 11 * Miscellaneous small bug fixes * On-board 5GHz WiFi blocked by rfkill by default The block is removed when taking one of the following actions: - Selecting a locale in the first run wizard - Setting the WiFi country in the Raspberry Pi Configuration tool or the Network Settings applet - Setting the WiFi country in raspi-config - Providing a wpa_supplicant.conf file through the boot partition - Running 'rfkill unblock wifi' * Boot partition size set to 256M * Linux kernel 4.19.50 * Raspberry Pi firmware 88ca9081f5e51cdedd16d5dbc85ed12a25123201