      GDAL 2.1.0 2016-04
      PostGIS 2.0.0 2012-04-03
      PostGIS 2.1.0 2013-08-17
      PostGIS 2.2.0 2015-10-17
      Spatialite 3.0.0 2011-12-30
      Spatialite 4.0.0 2012-11-25
      Spatialite 4.1.0 2013-06-04
      Spatialite 4.2.0 2014-07-25
      Spatialite 4.3.0 2015-09-07
  
 
</s> remove         if version < (3, 0, 0):
            raise ImproperlyConfigured('GeoDjango only supports SpatiaLite versions 3.0.0 and above.')
 </s> add         if version < (4, 0, 0):
            raise ImproperlyConfigured('GeoDjango only supports SpatiaLite versions 4.0.0 and above.') </s> remove SQLite              GEOS, GDAL, PROJ.4, SpatiaLite  3.6.+               Requires SpatiaLite 3.0+, pysqlite2 2.5+
 </s> add SQLite              GEOS, GDAL, PROJ.4, SpatiaLite  3.6.+               Requires SpatiaLite 4.0+, pysqlite2 2.5+ </s> remove                 # No `srtext` field in the `spatial_ref_sys` table in SpatiaLite < 4
                if not spatialite or connection.ops.spatial_version[0] >= 4:
                    self.assertTrue(srs.wkt.startswith(sd['srtext']))
 </s> add                 self.assertTrue(srs.wkt.startswith(sd['srtext'])) </s> remove from django.db import connection
 </s> add 
      GDAL 2.1.0 2016-04
      PostGIS 2.0.0 2012-04-03
      PostGIS 2.1.0 2013-08-17
      PostGIS 2.2.0 2015-10-17

      Spatialite 4.0.0 2012-11-25
      Spatialite 4.1.0 2013-06-04
      Spatialite 4.2.0 2014-07-25
      Spatialite 4.3.0 2015-09-07
  
keep keep keep keep replace keep keep keep keep keep
 Fixed #25645 -- Dropped support for SpatiaLite < 4.0. 
docs/ref/contrib/gis/install/geolibs.txt