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Info
titleWhen?

The changes will take place on Wednesday 19 November 2024 2025 10:00 UTC


Info
titleDo I need to do anything?

We strongly recommend you test that your programs, scripts and suites work with the new versions of any software or library affected before the change happens.

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The new versions of the software packages can be selected by using the nov25 tag in modules. For example:

module load ecmwf-toolbox/nov25

module load python3/nov25

How to revert to the old versions in case of problems AFTER the update

Users that experience problems with the new default software packages after the update will be able to revert to the old default versions. These can be selected with the commands:

module load ecmwf-toolbox/old

module load python3/old


Warning

Please let ECMWF know if you need to revert to the old version of any of the packages after the update of the defaults has taken place. 

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The new version of the ECMWF Toolbox (ecmwf-toolbox module) is 2025.10.1.0, replacing 2025.04.0.0. This table summarises the changes in the version of the different packages within the bundle:

Besides ecmwf-toolbox, the following packages with their corresponding module also see their default changed:

Please see the Release notes for full details of the changes implemented in each package. 

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