[OSGeo-Announce] OTB version 9.1.1 is out !

Jorge Sanz jsanz at osgeo.org
Tue Mar 25 10:17:53 PDT 2025


On behalf of the OTB team

Ready to use binary packages are available on the package page of the 
website:

  * OTB-9.1.1-Linux.tar.gz
    <https://www.orfeo-toolbox.org/packages/OTB-9.1.1-Linux.tar.gz>(Ubuntu/Debian)
  * OTB-9.1.1-Linux_RedHat.tar.gz
    <https://www.orfeo-toolbox.org/packages/OTB-9.1.1-Linux_RedHat.tar.gz>(Linux)
  * OTB-9.1.1-Win64.zip
    <https://www.orfeo-toolbox.org/packages/OTB-9.1.1-Win64.zip>(Windows
    64 bits)

The Docker images are available with different python versions (3.8 by 
default, 3.10 for 9.1.1_ubuntu22, 3.12 for 9.1.1_ubuntu24) :
|docker pull orfeotoolbox/otb:9.1.1|
It is also possible to checkout the tag with git:
|git clone https://gitlab.orfeo-toolbox.org/orfeotoolbox/otb.git OTB -b 
9.1.1|
The documentation for OTB 9.1.1 can be found here 
<https://www.orfeo-toolbox.org/CookBook-9.1/>. There is no documentation 
changes between 9.1.0 and 9.1.1.
To download the packages one by one for a modular installation, you can 
download them here <https://www.orfeo-toolbox.org/packages/>and follow 
the instructions in the cookbook 
<https://www.orfeo-toolbox.org/CookBook-9.1/Installation.html>.
*Changes*
This patch release introduces bug fixes:

  * Files used by QGIS are now correctly generated on Windows. Users now
    can access to all modules through QGIS
  * Init scripts has some bugs on RHEL-based OS, this is now corrected
  * OTB was shipped with FFTW previously. It is a problem as FFTW is
    under GPLv2 (we didn’t know). OTB is now shipped without FFTW.

The full changelog can be accessed here 
<https://gitlab.orfeo-toolbox.org/orfeotoolbox/otb/-/blob/9.1.1/RELEASE_NOTES.txt?ref_type=tags>.
We welcome your feedback and requests on OTB’s GitLab 
<https://gitlab.orfeo-toolbox.org/orfeotoolbox/otb/> and if you find a 
bug, please report it!
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