[QGIS-Developer] Fwd: GRASS in QGIS

[Nyall Dawson]

>
>
>
> Those who do need GRASS however, should still have easy access to it
> with a separate easy to use installer.
>

This isn't so straightforward -- it's not like the SAGA or OTB situations,
where a user can easily download those as separate installers and then
activate a QGIS plugin. The GRASS support has to be compiled into QGIS to
work, so if GRASS were removed from the default install then there'd be no
way for a user to re-activate this functionality. We'd need to maintain two
completely separate downloaders and installers for "QGIS" and "QGIS with
GRASS".

Nyall



>
> I will raise this issue at the next PSC meeting.
>
> Andreas
>
> On 2026-10-11 13:00, Stefan Keller via QGIS-Developer wrote:
> > Please allow me to comment on this for the attention of those involved.
> > While I am not a QGIS C++ developer, I have developed over half a
> > dozen Python plugins and teach QGIS to users who mostly use Windows.
> > I use GRASS r.sun in a project (and the original GRASS docs
> > was good) and value it for specialized analyses, particularly in the
> > fields of scientific computing like photovoltaics and hydrology.
> >
> > However, I have a request, primarily for the QGIS maintainers: GRASS
> > should be a separate plugin that isn’t installed by default, as is
> > currently the case at least on Windows. GRASS doubles the size of the
> > QGIS distribution and installation, which, in my opinion, makes QGIS
> > unnecessarily "heavy" for the majority of QGIS users.
> >
> > --Stefan
> >
> > Am Do., 8. Okt. 2026 um 06:04 Uhr schrieb DelazJ via QGIS-Developer
> > <qgis-developer at lists.osgeo.org>:
> >>
> >> Hi devs,
> >> We are currently updating the GRASS chapter in QGIS docs [1], a
> >> chapter left untouched for more than a decade, and we would have some
> >> questions:
> >>
> >> 1- Can someone remind us why the "GRASS 8" plugin in the Plugins
> >> Manager is labeled as deprecated? What are the actual plans? Afaict
> >> there are lots of features not yet ported to Browser panel or
> >> Processing (mapset/project handling, digitizing,...).
> >>
> >> 2- Considering the plugin name, is GRASS 8 the only supported version
> >> in QGIS? No older releases?
> >>
> >> 3- What are the requirements to get the "GRASS 8" or the "GRASS GIS
> >> Processing" plugins available in the Plugins Manager? I've always
> >> thought both were listed by default in every installation and would
> >> only work if and only if GRASS software is installed and configured,
> >> but having checked on different machines in the docs team (Windows
> >> standalone and OSGeo4W, macOS, self-build on Trixie, nixOS), with
> >> GRASS installed or not installed, we got different results I couldn't
> >> figure out the logic behind the scene. Thanks for any clarification.
> >>
> >> 4- There is no real GRASS user in the team so while refactoring the
> >> chapter, we reuse some texts that may no longer be true. Reviews for
> >> the docs pull requests [2] by better informed people are more than
> >> welcome. FYI I split the updates into smaller PRs in the hope of
> >> attracting reviewers, even those in a hurry.
> >>
> >> Thanks for any reply...
> >>
> >> [1]
> >>
> https://docs.qgis.org/testing/en/docs/user_manual/grass_integration/grass_integration.html
> >> [2]
> >>
> https://github.com/qgis/QGIS-Documentation/pulls?q=is%3Apr+state%3Aopen+label%3AGrass
> >>
> >> Regards,
> >> Harrissou
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