If you have a development installation of the engine, you should notice that today we upgraded most of the scientific libraries, including numpy, pandas, pyproj, fiona, gdal and others. Therefore if you do a `git pull` you will have to install the requirements again for your platform.
If you use extra code dependent on older versions of the libraries you could run into trouble and you may need to upgrade it (for instance an upgrade of NetCDF4 is required).
To make thinks easier we raised the engine version number from 3.24 to 3.25. The last version of the engine using numpy 1.26 is v3.24 (not officially released, but there is a branch for it called "engine-3.24"). You can move to that branch if you want to stay with the older version of the libraries. That branch however is frozen and master is meant to work solely with the newer libraries.
For people not developing with the engine nothing changes, they can just wait for the next official release of the engine.
Michele Simionato on behalf of the OpenQuake Team