+high priority
+=============
+cancellation race concerns - better tracking of kernel feedback?
+
+for 1.0
+=======
+API docs
isochronous endpoint I/O
+thread safety
+abstraction for cross-platform-ness
+
+for 1.1 or future
+==================
optional timerfd support (runtime detection)
-API docs
notifications of hotplugged/unplugged devices
-thread safety
use poll() rather than select()?
-abstraction for cross-platform-ness
-API style/naming points to reconsider
-=====================================
+1.0 API style/naming points to reconsider
+=========================================
struct libusb_(bulk|control)_transfer or parameters?
devh in general