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   strings anymore for its ``unit`` parameter. Instead the space is controlled
   by a new parameter ``useUnitSpace``.
 
+- ``proc `-`*(a, b: Time): int64`` in the ``times`` module has changed return type
+  to ``times.Duration`` in order to support higher time resolutions.
+  The proc is no longer deprecated.
+
 #### Breaking changes in the compiler
 
 ### Library additions
@@ -34,6 +38,10 @@
   operations. This is currently not yet available for the JavaScript target.
 - Added ``getCurrentDir``, ``findExe``, ``cpDir`` and  ``mvDir`` procs to
   ``nimscript``.
+- The ``times`` module now supports up to nanosecond time resolution when available.
+- Added the type ``times.Duration`` for representing fixed durations of time.
+- Added the proc ``times.convert`` for converting between different time units,
+  e.g days to seconds.
 
 ### Library changes
 
a id='n121' href='#n121'>121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151