+ver 5.55:
+ Fix issue with handling security level for HoG.
+ Fix issue with handling HIDSDPDisable attribute.
+ Fix issue with handling HID virtual cable unplug.
+ Fix issue with handling HID channel disconnect order.
+ Fix issue with handling AVDTP delay reporting states.
+ Fix issue with handling AVRCP notification events.
+ Fix issue with handling AVRCP list player attributes.
+ Fix issue with handling AVRCP category 1 player settings.
+ Fix issue with handling AVRCP media player passthrough bitmask.
+ Fix issue with handling HFP 1.7 default features.
+ Fix issue with handling GATT disconnecting handling.
+ Fix issue with handling GATT database hash.
+ Fix issue with handling service changed characteristic.
+ Fix issue with handling read of multiple characteristic values.
+ Fix issue with handling Just-Works auto-accept pairing.
+ Fix issue with handling authentication of bonded devices.
+ Fix issue with handling L2CAP streaming mode for AVDTP.
+ Fix issue with handling SysEx parser for MIDI support.
+ Fix issue with handling configured scan parameter values.
+ Fix issue with handling temporary devices removal.
+ Fix issue with handling advertising flags.
+
ver 5.54:
Fix issue with HOGP to accept data only from bonded devices.
Fix issue with A2DP sessions being connected at the same time.