id	summary	reporter	owner	description	type	status	component	version	severity	resolution	keywords	cc	stage	has_patch	needs_docs	needs_tests	needs_better_patch	easy	ui_ux
32352	Django tests uses SRIDs which gives different results by default on different versions of proj4	Jani Tiainen	nobody	"Note: this is not actually a bug in Django but default behavior of proj4 library has been changed.

In Django unit tests are few tests that uses WGS84 to NAD83(HARN) coordinate transformation.

That particular transformation includes datum shift and there are at least two transformation methods. 

This may be encountered in various places, specially it depends on version of proj4 used in the system what transformation method is used by default.

See issue in GDAL repo for detailed description what/why:

https://github.com/OSGeo/gdal/issues/3377#issuecomment-759651330
"	Cleanup/optimization	closed	GIS	3.1	Normal	invalid	gis geometry transformation		Unreviewed	0	0	0	0	0	0