[PROJ] PROJ 9.7.1RC1 & PROJ-data 1.24RC1

Kristian Evers kristian at evers.dev
Tue Nov 25 02:07:47 PST 2025


Everyone,

It’s once again time for a round of releases of the PROJ and PROJ-data packages. I’ve prepared
release candidates for both, which can be downloaded from

https://download.osgeo.org/proj/proj-9.7.1RC1.tar.gz
https://download.osgeo.org/proj/proj-9.7.1RC1.zip 

https://download.osgeo.org/proj/proj-data-1.24RC1.tar.gz
https://download.osgeo.org/proj/proj-data-1.24RC1.zip

The PROJ-data release adds a grids for the

*  Czech S-JTSK / Krovak East North to S-JTSK/05 / Modified Krovak East North transformation
* Norwegian vertical transformation from NN54 to NN2000 height
* French RGM23 to IGN 2023 Mayotte height transformation

Details for the PROJ release can be found below. 

Please report any issues you may find with the release candidates, either here
on the mailing list or in issues on GitHub.

/Kristian

————————————————————————

# PROJ Release Notes

## 9.7.1

### Updates

* Enable transformations_czechia.sql (#4578)

* Update to EPSG v12.029 (#4586)

### Bug Fixes

* `createOperations()`: fix compound to compound when vertical CRS definition is equivalent but not strictly identical (#4579)

* `createOperations()`: fix compound to compound when horizontal CRS of … (#4582)

* `projinfo`: make it honour `-k crs` (#4592)

* `proj_clone()`: fix insufficient propagation of `FORCE_OVER=YES` (#4595)

* `BoundCRS::identify`: fix creation of an invalid BoundCRS (that can cause later crashes) for CRS based on 'NTF (Paris)' (#4601)

* WKT/PROJJSON datum ensemble import: allow no members (#4615)




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