# OpenXC Message Format Changelog
-## v0.4-dev
+## v0.6.0
+
+* Feature: Added MessagePack support for BTLE connections.
+* Feature: Support for vehicle message timestamps (changed previous uptime).
+* Feature: Support for C5 SD Card.
+* Feature: Support for C5 RTC.
+* Fix: Update submodule from code.google to github.
+
+## v0.5.0
+
+* Feature: Support for C5 Cellular device. New uptime message.
+
+## v0.4
* BREAKING: Removed factor and offset from diagnostic requests to minimize the number of
fields, and since this is such an uncommon use case and one that can be