This file lists notable changes in each release. 
For fine grained history, please see the git log at:
http://libusbx.git.sourceforge.net/git/gitweb.cgi?p=libusbx/libusbx;a=log

2012-06-15: v1.0.12
* Fix a potential major regression with pthread on Linux
* Fix missing thread ID from debug log output on cygwin
* Fix possible crash when using longjmp and MinGW's gcc 4.6
* Add topology calls: libusb_get_port_number(), libusb_get_parent() & libusb_get_port_path()
* Add toggleable debug, using libusb_set_debug() or the LIBUSB_DEBUG environment variable
* Define log levels in libusb.h and set timestamp origin to first libusb_init() call
* All logging is now sent to to stderr (info was sent to stdout previously)
* Update log messages severity and avoid polluting log output on OS-X
* Add HID driver support on Windows
* Enable interchangeability of MSVC and MinGW DLLs
* Additional bug fixes and improvements

2012-05-08: v1.0.11
* Revert removal of critical Windows event handling that was introduced in 1.0.10
* Fix a possible deadlock in Windows when submitting transfers
* Add timestamped logging
* Add NetBSD support (experimental) and BSD libusb_get_device_speed() data
* Add bootstrap.sh alongside autogen.sh (bootstrap.sh doesn't invoke configure)
* Search for device nodes in /dev for Android support
* Other bug fixes

2012-04-17: v1.0.10
* Public release
* Add libusb_get_version
* Add Visual Studio 2010 project files
* Some Windows code cleanup
* Fix xusb sample warnings 

2012-04-02: v1.0.9
* First libusbx release
* Add libusb_get_device_speed (all, except BSD) and libusb_error_name
* Add Windows support (WinUSB driver only)
* Add OpenBSD support
* Add xusb sample
* Tons of bug fixes

2010-05-07: v1.0.8
* Bug fixes

2010-04-19: v1.0.7
* Bug fixes and documentation tweaks
* Add more interface class definitions

2009-11-22: v1.0.6
* Bug fixes
* Increase libusb_handle_events() timeout to 60s for powersaving

2009-11-15: v1.0.5
 * Use timerfd when available for timer management
 * Small fixes/updates

2009-11-06: v1.0.4 release
 * Bug fixes including transfer locking to fix some potential threading races
 * More flexibility with clock types on Linux
 * Use new bulk continuation tracking in Linux 2.6.32 for improved handling
   of short/failed transfers

2009-08-27: v1.0.3 release
 * Bug fixes
 * Add libusb_get_max_iso_packet_size()

2009-06-13: v1.0.2 release
 * Bug fixes

2009-05-12: v1.0.1 release
 * Bug fixes
 * Darwin backend

2008-12-13: v1.0.0 release
 * Bug fixes

2008-11-21: v0.9.4 release
 * Bug fixes
 * Add libusb_attach_kernel_driver()

2008-08-23: v0.9.3 release
 * Bug fixes

2008-07-19: v0.9.2 release
 * Bug fixes

2008-06-28: v0.9.1 release
 * Bug fixes
 * Introduce contexts to the API
 * Compatibility with new Linux kernel features

2008-05-25: v0.9.0 release
 * First libusb-1.0 beta release