GOSemSim 2.7.1 mgeneSim and mclusterSim now always return matrix (2018-08-08, Wed) https://www.biostars.org/p/330642/#331598 GOSemSim 2.5.1 return NA for deprecated IDs (2018-01-09, Fri) https://support.bioconductor.org/p/105822/#105840