[PROJ] PROJ 9.8.0
Kristian Evers
kristian at evers.dev
Mon Mar 2 05:16:44 PST 2026
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It’s my pleasure to announce the release of PROJ 9.8.0!
The release includes a number of updates, as well as bug fixes.
See the release notes below.
Download the archives here:
https://download.osgeo.org/proj/proj-9.8.0.tar.gz
https://download.osgeo.org/proj/proj-9.8.0.zip
/Kristian
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# PROJ Release Notes
## 9.8.0
### Updates
* Database: update to EPSG v12.049 (#4671)
* Database: update ESRI records to ArcGIS Pro 3.6 (#4622)
* Support for Canadian vertical references MTM CGVD2013 epoch 1997, 2002, 2010 and
UTM CGVD28 epoch 1997, 2002, 2010 (#4623)
* `createOperationsCompoundToGeog()`: improvement to make "PNG94 / PNGMG94 zone 54 + Kumul
34 height" to "WGS 84 (G2139)" perform vertical transformation (#4624)
* Remove hardcoding of 'ETRS89-NOR [EUREF89]' cases and generalize it to other ETRS89-XXX
cases (#4625)
* Database: create ESRI aliases for geodetic_datum and geodetic_crs even if they are the
same as EPSG ones (#4626)
* Use Emscripten fetch in networkfilemanager (#4627)
* `ProjectedCRS::identify()`: do not return CRS whose ellipsoid is totally different from the input one (#4635)
* `projinfo` added as a library function. This installs a new header: `projapps_lib.h`. (#4646)
* respect `CRS_EXTENT_USE=NONE` for ConcatenatedOperations (#4652)
* Add support for Equidistant Cylindrical ellipsoidal method (EPSG:1028) (#4656)
* Update `proj_symbol_rename.h` (#4657)
* WKT1 importer: deal with 'VERT_CS["Geoid 2012A",' (#4659)
* Generate correct library name in `proj.pc` (#4660)
* Derived projected CRS related improvements (#4667)
* ETRS89-xxx to ETRS89-yyy related improvements (#4668)
* `createCoordinateOperation()`: tune computed accuracy of a concatenated op within ETRS89 (#4670)
* `createOperationsCompoundToGeog()`: discard 2D-only transformations from interpolation
3D CRS to target 3D CRS (#4677)
### Bug Fixes
* CRS identification: fix issue when identifying WKT from older EPSG releases with newer
ones where the ETRS89-XXX national datums have been added (#4600)
* fix `normalizeForVisualization` to skip extent checks for axis-swap operations (#4632)
* Improvements to TRACE_FETCH debug messages (#4645)
* tmerc spherical: fix numeric instability at lat=lat_0 (#4674)
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