[gdal-dev] Understanding GDAL's versioning/release process

jratike80 jukka.rahkonen at maanmittauslaitos.fi
Wed Feb 5 05:15:53 PST 2020


Hi,

Master or "trunk" is the development branch. Current trunk will be released
as GDAL 3.1 perhaps around May 2020. New features are developed into trunk
but some changes, mainly bug fixes and especially bug fixes which deal with
security issues, are also backported into one of more released branches.

You are referring to a pull request that adds a new driver for creating
cloud optimized GeoTIFFs. Such large contributions which add new
functionalities are not backported. It is also documented in the driver page
https://gdal.org/drivers/raster/cog.html#raster-cog "New in version 3.1". If
you want to use the COG driver before that you must compile GDAL from the
master or if you are a Windows users you can download compiled binaries from
OSGeo4W or from gisinternals.com.

-Jukka Rahkonen-



Owen Varley wrote
> Hi all,
> 
> I've been using GDAL for the past couple of months and I have a question
> about how releases are managed that I can't figure out from trawling
> GitHub.
> 
> There's a pull request (#1621) that includes a commit
> (https://github.com/OSGeo/gdal/pull/1621/commits/bcaeb975a703bdec49aff267a1a7a8f0c35ab5f2)
> that was merged into master on 4 Jun 2019. The commit has been tagged
> 3.0.3 and 2.4.4, however, when running gdal v3.0.3 or v3.0.4 the changes
> introduced by the commit don't seem to have taken affect. Having read
> through the v3.0.3 release notes
> (https://github.com/OSGeo/gdal/blob/v3.0.3/gdal/NEWS) I can't find any
> mention of #1621 being included.
> 
> My question is, if the commit was merged into master on 4 Jun 2019, would
> it not automatically be included within any releases posts that date? If
> not, how do you determine when/if the commit has been released?
> 
> Many thanks,
> 
> Owen
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