  ==================  ==============================  ==================  =========================================
  PostgreSQL          GEOS, PROJ.4, PostGIS           9.2+                Requires PostGIS.
  MySQL               GEOS                            5.5+                Not OGC-compliant; :ref:`limited functionality <mysql-spatial-limitations>`.
  Oracle              GEOS                            11.2+               XE not supported.
  SQLite              GEOS, GDAL, PROJ.4, SpatiaLite  3.6.+               Requires SpatiaLite 3.0+, pysqlite2 2.5+
  ==================  ==============================  ==================  =========================================
  
  See also `this comparison matrix`__ on the OSGeo Wiki for
  PostgreSQL/PostGIS/GEOS/GDAL possible combinations.
  
 
</s> remove `SpatiaLite`__            Spatial extensions for SQLite         Yes (SQLite only)                 4.3, 4.2, 4.1, 4.0, 3.0
 </s> add `SpatiaLite`__            Spatial extensions for SQLite         Yes (SQLite only)                 4.3, 4.2, 4.1, 4.0 </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     Spatialite 3.0.0 2011-12-30
 </s> add  </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']))
SQLite              GEOS, GDAL, PROJ.4, SpatiaLite  3.6.+               Requires SpatiaLite 4.0+, pysqlite2 2.5+
  ==================  ==============================  ==================  =========================================
  PostgreSQL          GEOS, PROJ.4, PostGIS           9.2+                Requires PostGIS.
  MySQL               GEOS                            5.5+                Not OGC-compliant; :ref:`limited functionality <mysql-spatial-limitations>`.
  Oracle              GEOS                            11.2+               XE not supported.
SQLite              GEOS, GDAL, PROJ.4, SpatiaLite  3.6.+               Requires SpatiaLite 4.0+, pysqlite2 2.5+
  ==================  ==============================  ==================  =========================================
  
  See also `this comparison matrix`__ on the OSGeo Wiki for
  PostgreSQL/PostGIS/GEOS/GDAL possible combinations.
  
keep keep keep keep replace keep keep keep keep keep
 Fixed #25645 -- Dropped support for SpatiaLite < 4.0. 
docs/ref/contrib/gis/install/index.txt