1. 2017-05-21 [1] [geos-devel] FOSS4G 2017 Boston Code Sprint geos-devel Regina Obe 2. 2017-05-18 [1] [geos-devel] Join the OSGeo Code Sprint Saturday 22 July 2017 geos-devel Jeff McKenna 3. 2017-05-11 [1] [geos-devel] [GEOS] #833: IsSimple=true for self-touching polygon geos-devel GEOS 4. 2017-05-05 [7] [geos-devel] Optimization geos-devel Amanda Osvaldo