+LTTng 0.49 is a compile fix for userspace markers.<br>
+LTTng 0.50 fixes immediate values by reverting the "jump patching" version of
+immediate values. They were always on, and therefore broken. It also
+reimplements tracepoint, marker and imv mutexes.<br>
+LTTng 0.51 implements timestamping updates.<br>
+LTTng 0.52 implements a timer-based generic tracing clock, also includes
+various fixes.<br>