updated changelog

[makedoc]

CHANGES/v2.3.txt

@@ -194,6 +194,10 @@ See branch \branch{v2.3} on git repository.
 
 For users:
 - Fixed a bug in \ref switchingfunction MATHEVAL, leading to inconsistent results when using OpenMP with multiple threads (see \issue{249}).
+- \ref FIT_TO_TEMPLATE now reports when it is used with a reference file with zero weights.
+- Fixed logging of \ref UNITS (thanks to Omar Valsson).
+- Fixed a possible bug with \ref EFFECTIVE_ENERGY_DRIFT and domain decomposition with a domain containing zero atoms.
+
 
 For developers:
 - Fixed a bug in `./configure --disable-libsearch` when searching for molfile plugins.