We are pleased to announce the availability of OPM release 2015.10. This is the second release this year, the previous release was 2015.04. The next release is expected to be 2016.04. Main highlights of the release include:

• Significantly improved performance for Flow, the fully implicit black-oil reservoir simulator.
• An experimental black-oil + solvent simulator (Flow-solvent).
• Improvements to the experimental black-oil + polymer simulator (Flow-polymer).
• General improvements (error handling, tests etc.) to many parts of OPM, including the upscaling codes.

We’d like to thank all who played a part in the release, for finding bugs, posting issues, writing code, reviewing, testing and packaging.

Instructions for installation are found on our download page. Binary packages are available for Ubuntu and Red Hat Enterprise Linux, instructions are available for building from source for any Linux variant or Mac OS X.