9.2.1 Release Notes

Database updates

Add alias for old ESRI datum/CRS names of EPSG:8353 S_JTSK_JTSK03_Krovak_East_North (#3678)
Pseudo Mercator now supported with IAU CRS's (#3645)
Updated to EPSG 10.088 (#3731)

Fixed build errors with Cygwin (#3642)
PROJ string CRS parser: make sure that PROJ arguments of the rotated string are kept in the WKT representation (#3656)
Fix slowness on proj_trans() when doing WGS 84 <--> NAD83 conversions (#3661)
vgridshift/gridshift: accept hydroid_height as valid band description (#3675)
WKT/PROJJSON: import/export accuracy of ConcatenatedOperation (#3676)
Coordinate operation factory: count identified concatenated operations as a single step (#3677)
EngineeringCRS: make proj_create_engineering_crs() set a datum name and relax isEquivalentTo() comparisons (#3685)
PROJJSON: fix import/export of integer parameter value, and deal with interpolation CRS parameters in conversions (#3695)
CMake: avoid imbalanced cmake_policy push/pop if TIFF or CURL dependency cannot be found (#3697)
proj_create_crs_to_crs(): restore transformation selection behaviour of PROJ 9.1 when grids are missing (#3707)
ESRI WKT: improve roundtrip of name and definition for UPS WGS84 CRS (#3720)
CRS instanciation from PROJ.4 string: set 'Unknown based on XXXX ellipsoid' datum name when instanciating from known +a, +rf (#3727)
cs2cs / proj_create_crs_to_crs(): fix regression with geocentric CRS (#3729)
proj_trans(): set PROJ_ERR_COORD_TRANSFM_NO_OPERATION error when failing in ONLY_BEST=YES mode (#3730)
tinshift: raise maximum size of JSON file to 100 MB (#3736)