Dear all,

We can now announce the release of the 2025.10 version of OPM Flow. Binary 
packages are available in
OPM’s PPA (personal package archives), ppa:opm/ppa. If you have not already 
enabled this PPA in your
package sources you can do so through the following three commands:

sudo add-apt-repository ppa:opm/ppa
sudo apt update
sudo apt install libopm-simulators-bin

The 2025.10 OPM Flow release supports the following two Ubuntu LTS versions


  *   22.04 LTS (codename Jammy Jellyfish)
  *   24.04 LTS (codename Noble Numbat)

Binary packages are also available for RHEL 8. New to this release is Ubuntu 
packages for aarch64, and
opm (opm-common) Python packages for macOS (arm64), available via:

pip install opm

If you wish to build the release manually on your own system you can check out 
the release/2025.10 branch at
tag release/2025.10/final.

This release brings many contributions, improvements, and fixes. The 
preliminary release notes are provided in
each repository:

OPM Common 2025.10 Release 
Notes<https://github.com/OPM/opm-simulators/releases/tag/release%2F2025.10%2Ffinal>
OPM Grid 2025.10 Release 
Notes<https://github.com/OPM/opm-grid/releases/tag/release%2F2025.10%2Ffinal>
OPM Simulators 2025.10 Release 
Notes<https://github.com/OPM/opm-simulators/releases/tag/release%2F2025.10%2Ffinal>

Thank you, again, to all who contributed to this release. Users who reported 
issues, developers who added new
features, improved performance, and provided fixes to issues. A personal thank 
you to Arne Morten Kvarving for
preparing the binaries, and guided me in my rookie debut as release manager.

Best regards,

David Landa-Marbán
NORCE Research AS
Computational Geosciences & Modelling group
OPM 2025.10 Release Manager

[cid:a29dad11-0f91-418e-bce2-120da0193e8d]

norceresearch.no<https://www.norceresearch.no/>

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