* Add Haiku support
* Fix multiple memory and resource leaks (16, 52, 76, 81)
* Fix possible deadlock when executing transfer callback
* New libusb_free_pollfds() API
* Darwin: Fix devices not being detected on OS X 10.8 (48)
* Linux: Allow larger isochronous transfer submission (23)
* Windows: Fix broken builds Cygwin/MinGW builds and compiler warnings
* Windows: Fix broken bus number lookup
* Windows: Improve submission of control requests for composite devices
* Examples: Add two-stage load support to fxload (12)
* Correctly report cancellations due to timeouts
* Improve efficiency of event handling
* Improve speed of transfer submission in multi-threaded environments
* Various other bug fixes and improvements
The (xx) numbers are libusb issue numbers, see ie:
https://github.com/libusb/libusb/issues/16