v4.0.1

• ADDED: Support for Microsoft OS 2.0 descriptors
• CHANGED: Updated documentation

v4.0.0

• ADDED: Support for high bandwidth ISO endpoints
• REMOVED: Support for legacy API XUD_Manager()

v3.0.1

• ADDED: XUD_THREAD_MODE_FAST_EN option to enable/disable XUD thread fast mode

v3.0.0

• ADDED: Option XUD_SUSPEND_PHY to place USB phy in low power mode during USB suspend
• ADDED: Notification system for suspend and resume bus states, this should replace the use of callbacks XUD_UserSuspend() and XUD_UserResume()
• ADDED: XUD_GetBusState() and XUD_AckBusState() API functions
• CHANGED Endpoint API functions now return XUD_RES_UPDATE on a bus state change (suspend/resume/reset). XUD_GetBusState() should then be called to ascertain the new state. XUD_AckBusState() must be used to acknowledge suspend or resume states. XUD_ResetEndpoint() should be used to handle reset states (similar to previous behaviour).
• CHANGED: Optimised port timings for XS3A to use non-inverted clock
• CHANGED: Instruction-level (speed) optimisations
• FIXED: Incorrect references to XUD_TILE replaced by USB_TILE in documentation

v2.4.0

• CHANGE: Documentation updates
• CHANGE: Examples now build using xcommon-cmake build system (was xcommon)
• CHANGE: AN00129 is now the main library usage example - renamed app_hid_mouse
• REMOVED: AN00124 - now maintained as a separate application note
• REMOVED: AN00125 - now maintained as a separate application note
• REMOVED: AN00126 - now maintained as a separate application note
• REMOVED: AN00127 - now maintained as a separate application note
• REMOVED: AN00131 - now maintained as a separate application note
• REMOVED: AN00132 - now maintained as a separate application note
• REMOVED: AN00135 - now maintained as a separate application note
• REMOVED: AN00136 - now maintained as a separate application note

v2.3.2

• CHANGE: RX_RISE_DELAY for XS2A based devices to resolve intermittent transmit timing issues

v2.3.1

• FIXED: XS3A based devices not responding to IN packets in SE0_NAK test
  mode
• ADDED: XMOS proprietary test mode XMOS_IN_ADDR1

v2.3.0

• ADDED: Support for XCommon CMake build system

v2.2.4

• CHANGE: Removed definition and use of REF_CLK_FREQ in favour of
  PLATFORM_REFERENCE_MHZ from platform.h
• FIXED: Do not include implementations of inline functions when
  XUD_WEAK_API is set

v2.2.3

• FIXED: XUD_UserSuspend() and XUD_UserResume() now properly marked as weak
  symbols (#374)
• FIXED: Incorrect time reference used during device attach process (#367)