New Features

• /shr: global mountpoint device shr(3)
• /mnt: is provided by mntgen(4)
• #A, audio miniport driver audio(3)
• New more reliable boot loader 9boot(8)
• New rc based boot(8) allows breaking into a shell at any time
• Default file system is an improved cwfs(4) (cwfs64x)
• Support for encrypted partitions (in development, needs documentation)
• New screen fonts: dejavu, germgoth, vga
• Go programming language native compiler and runtime (outdated; pkg/list for current version)
• source updates with hg(1) (Mercurial)
• Keyboard events with /dev/kbd kbdfs(8) and rio(4)
• /lib/ken, /lib/rob, /lib/rsc
• New listen(8) -p maxprocs option
• MSI (message signalled interrupts), avoids problems with broken MP tables, also APIC ID rewriting, see icanhasmsi(8) (dump MSI info)
• New rio(1) -b option (black window backgrounds)
• USB CD-ROM boot/install
• USB stick/hard drive boot
• Support for USB ptp cameras
• VGA initialization done by interpreting the VESA BIOS with realemu(8), working VESA screen blanking.
• /dev/kbd support for vnc(1)
• New webfs(4) with HTTP1.1 and Keep-Alive support.
• Qemu/KVM virtio block device driver /sys/src/9/pc/sdvirtio.c
• mouse wheel and chording support in sam(1)

New Programs

• " and "" (print, repeat previous command)
• alarm(1) (timeouts in rc scripts)
• audio(1) (mp3, ogg, flac, wav)
• bullshit(1) (print out a stream of bullshit)
• cifsd(8) (CIFS/SMB server)
• feminize(1) (replace sexist remarks)
• fplot(1)
• gameboy emulator: games/gb
• new games: doom, glendy, mandel, mines, mole
• hg(1) and hgfs(4) (Mercurial)
• hget(1) (rewritten in rc, now uses webfs)
• hold(1) (simple text editor)
• memory(1) (check memory usage)
• mothra(1) (Tom Duff's web browser, now uses webfs)
• nietzsche(1) (print out Nietzsche quote)
• page(1) (zoom and enhance!)
• paint(1) (aiju's drawing program)
• pkg(1) (install alien software)
• play(1) (audio player)
• pstree(1) (print tree-like map of current processes and sub-processes)
• rotate(1) (rotate or mirror a picture)
• scram(8) (APM shutdown)
• ssam(1) (stream interface to sam)
• sysinfo(1) (print hardware report)
• sysupdate(1) (update the local hg repository)
• theo(1) (print out insults from Theo de Raadt)
• tput(1)
• troll(1) (automated trolling)
• tap(1) (print the pid and open file descriptors of a process and its children)
• tty(1) (cooked mode emulator)
• torrent(1) (bittorrent client)

New Hardware Support

Audio

• AC97 /sys/src/9/pc/audioac97.c
• HDA /sys/src/9/pc/audiohda.c
• SB 16/ESS /sys/src/9/pc/audiosb16.c

Ethernet

• Broadcom BCM57xx /sys/src/9/pc/etherbcm.c

IDE/PATA/SATA

• ATI SB600 PATA
• Intel 82371FB (PIIX)
• Intel 82801FB (ICH6)
• Intel 82801FBM SATA
• Intel 82801HB/HR/HH/HO SATA IDE
• Intel 82801HBM/HEM PATA
• Intel 82801HBM SATA AHCI (ICH8-M)
• Marvell PATA
• VIA PV530

Tablets

• Wacom WACF004, WACF008 /sys/src/cmd/aux/wacom.c, /sys/src/cmd/aux/tablet.c

Video

• AMD Geode LX driver /sys/src/9/pc/vgageode.c
• nVidia GeForce 8400GS
• nVidia MCP55

See KnownWorkingHardware for a list of complete machines known to work.