Update NEWS for 9.3.1

NEWS

@@ -1,3 +1,70 @@
+9.3.1 Release Notes
+-------------------
+
+ Updates
+ -------
+
+ o Update to EPSG 10.098 (#3968)
+
+ o Update ESRI objects to v3.2.0 (#3944)
+
+ Bug fixes
+ ---------
+
+ o ITRF2008: fix wrong sign for 'dry' parameter of EURA and EURA_T  (#3870)
+
+ o Fix build error with MSVC 2019 in /std:c++20 on NN_NO_CHECK() (#3872)
+
+ o  ESRI WKT import: normalize GCS_unknown to unknown and D_unknown to unknown (#3874)
+
+ o CoordinateOperationFactory: deal with CompoundToCompound with a horizontal similarity
+   transformation and a ballpark vertical (#3881)
+
+ o Ellipsoid::_isEquivalentTo(): fix so that an ellipsoid of semi-major axis A (and
+   non-zero inv flattening) isn't equivalent to a sphere of radius A (#3882)
+
+ o isEquivalentTo(): make a datum name 'unknown' equivalent to another one (#3883)
+
+ o cs2cs: fix handling of input coordinates in grad (#3886)
+
+ o Make setargv.obj available on Universal Windows Platform (#3891)
+
+ o Allow opening proj.db with a URI (#3892)
+
+ o createOperations(): fix GeogCRS 3D with TOWGS84 to geocentric CRS (#3915)
+
+ o Fix test suite so that it can pass with ENABLE_TIFF=OFF (#3916)
+
+ o GeographicBoundingBox::intersects(): avoid infinite recursion and stack overflow
+   on invalid bounding boxes (#3919)
+
+ o Fix importing '+proj=topocentric ... +type=crs' by using a geocentric CRS as
+   the base CRS (#3924)
+
+ o Allow LOCAL_CS with 3 axes (#3928)
+
+ o WKT1 parser: in non-strict mode, accept missing UNIT[] in GEOGCS, GEOCCS,
+   PROJCS and VERT_CS elements (#3933)
+
+ o createOperations(): fix issue with a obscure case involving CompoundCRS of
+   unknown horizontal datum + boundCRS of vertical (#3934)
+
+ o createOperations(): fix bad PROJ pipeline when converting between Geog3D
+   with non-metre height to CompoundCRS (#3943)
+
+ o createOperations(): Fix possible null dereference on invalid WKT input (#3946)
+
+ o proj_factor: fix when input is a compound CRS of a projected CRS (#3950)
+
+ o pj_get_suggested_operation(): tune it to give correct result for RGAF09 to
+   RRAF 1991 / UTM zone 20N + Guadeloupe 1988 height transformation (#3954)
+
+ o Move static NameSpace::GLOBAL definition in static.cpp to avoid
+  'static initialization fiasco' (#3956)
+
+ o horner: allow arbitrary input type of coordinate (#3961)
+
+
 9.3.0 Release Notes
 -------------------