v2026.04

What's Changed

• Bump to version 2026.04-pre by @daavid00 in #4
• Adding files to aline with GitHub community standards by @daavid00 in #5
• Updating the docs by @daavid00 in #6
• doi to published paper by @daavid00 in #7
• Update citation format by @daavid00 in #8
• Add article type by @daavid00 in #9
• Adding cjson as prerequisite for OPM Flow by @daavid00 in #10
• Forgotten simulators in flow source build after updating docs by @daavid00 in #11
• Updating OPM installation docs by @daavid00 in #12
• Setting iterative_ensemble_smoother pip version by @daavid00 in #13
• Fixing black format by @daavid00 in #14
• Updating the code and docs quality using Copilot by @daavid00 in #15
• Code quality fixes suggested by copilot by @daavid00 in #16
• Additional Copilot suggestions by @daavid00 in #17
• Fix depth by @daavid00 in #18
• Bringing back arange instead of linspace for z refinement by @daavid00 in #19
• Release 2026.04 by @daavid00 in #20

Full Changelog: v2025.10...v2026.04