+version 0.5.2:
+ - improved soft MMU speed (assembly functions and specializing)
+ - improved multitasking speed by avoiding flushing TBs when
+ switching tasks
+ - improved qemu-fast speed
+ - improved self modifying code handling (big performance gain in
+ softmmu mode).
+ - fixed IO checking
+ - fixed CD-ROM detection (win98 install CD)
+ - fixed addseg real mode bug (GRUB boot fix)
+ - added ROM memory support (win98 boot)
+ - fixed 'call Ev' in case of paging exception
+ - updated the script 'qemu-binfmt-conf.sh' to use QEMU automagically
+ when launching executables for the supported target CPUs.
+ - PowerPC system emulation update (Jocelyn Mayer)
+ - PC floppy emulation and DMA fixes (Jocelyn Mayer)
+ - polled mode for PIC (Jocelyn Mayer)
+
+version 0.5.1:
+
+ - float access fixes when using soft mmu
+ - PC emulation support on PowerPC
+ - A20 support
+ - IDE CD-ROM emulation
+ - ARM fixes (Ulrich Hecht)
+ - SB16 emulation (malc)
+ - IRET and INT fixes in VM86 mode with IOPL=3
+ - Port I/Os use TSS io map
+ - Full task switching/task gate support
+ - added verr, verw, arpl, fcmovxx
+ - PowerPC target support (Jocelyn Mayer)
+ - Major SPARC target fixes (dynamically linked programs begin to work)
+
+version 0.5.0:
+
+ - full hardware level VGA emulation
+ - graphical display with SDL
+ - added PS/2 mouse and keyboard emulation
+ - popw (%esp) fix
+ - mov to/from segment data width fix
+ - added real mode support
+ - added Bochs BIOS and LGPL'ed VGA BIOS loader in qemu
+ - m68k host port (Richard Zidlicky)
+ - partial soft MMU support for memory mapped I/Os
+ - multi-target build
+ - fixed: no error code in hardware interrupts
+ - fixed: pop ss, mov ss, x and sti disable hardware irqs for the next insn
+ - correct single stepping thru string operations
+ - preliminary SPARC target support (Thomas M. Ogrisegg)
+ - tun-fd option (Rusty Russell)
+ - automatic IDE geometry detection
+ - renamed 'vl' to qemu[-fast] and user qemu to qemu-{cpu}.
+ - added man page
+ - added full soft mmu mode to launch unpatched OSes.
+
version 0.4.3:
- x86 exception fix in case of nop instruction.