2026.01.000

This is the first release using the same codebase for ACCESS-OM2 and ACCESS-ESM1.6

What's Changed

• use new build-ci by @anton-seaice in #69
• Add CMake Build by @anton-seaice in #77
• only couple bgc when bgc is active by @anton-seaice in #79
• CI manifests for cmake by @anton-seaice in #80
• add deterministic build to cmake by @anton-seaice in #82
• io_pio: multiple history timesteps per file by @anton-seaice in #72
• Use fortran compilers for preprocessing instead of cpp by @anton-seaice in #83
• Add ferrmax to thermo_nml namelist by @dougiesquire in #87
• Master esm1.6 merge by @anton-seaice in #68
• Corrections so all intensive diagnostics use sea ice area by @anton-seaice in #89

New Contributors

• @dougiesquire made their first contribution in #87

Full Changelog: access-esm1.6-2025.11.001...2026.01.000

access-esm1.6-2025.11.001

What's Changed

• fix sndmasssnf by @anton-seaice in #78

Full Changelog: access-esm1.6-2025.11.000...access-esm1.6-2025.11.001

access-esm1.6-2025.11.000

What's Changed

• Update to CMIP7 diagnostics by @anton-seaice in #35

Full Changelog: access-esm1.6-2025.09.000...access-esm1.6-2025.11.000

access-esm1.6-2025.09.000

What's Changed

• Support multiple history timesteps per file by @anton-seaice in #59
• Move aicenmin to namelist by @anton-seaice in #64

Full Changelog: access-esm1.6-2025.07.001...access-esm1.6-2025.09.000

access-esm1.6-2025.07.001

This is a minor update from the previous release.

What's Changed

• ESM1.6: Abort on failed namelist open by @blimlim in #62

Full Changelog: access-esm1.6-2025.07.000...access-esm1.6-2025.07.001

ACCESS-ESM1.6-2025.07.000

This is the first release of CICE5 for the ACCESS-ESM1.6 model. It's based on the version of CICE5 used for ACCESS-CM2 previously.

Thanks to @DaveBi, @ofa001, @aidanheerdegen and @MartinDix for their advice and @jo-basevi and @CodeGat for infrastructure advice.

What's Changed

• Add build ci by @anton-seaice in #21
• Set netcdf output calendar attributes correctly by @anton-seaice in #26
• Add license file by @anton-seaice in #29
• Set netcdf history timestamp in middle of month by @anton-seaice in #34
• Implement dump last in ESM1.6 driver by @blimlim in #38
• expose ice_ref_salinity to the namelist by @anton-seaice in #36
• Set cp_ocn to same value as MOM by @anton-seaice in #40
• Expose ksno (thermal conductivity of snow ) to the namelist by @anton-seaice in #41
• ESM1.6 Readme by @anton-seaice in #44
• Setup coupling for esm1.6 by @anton-seaice in #33
• Replace caltype with use_leap_years by @blimlim in #42
• ESM1.6: Write current year to restart by @blimlim in #46
• fail on non midnight restarts by @anton-seaice in #47
• Use ifort for preprocessor directives by @anton-seaice in #52
• ESM1.6 Read start date and time from restart file by @blimlim in #48
• Set aicenmin consistent with UM7.3 by @anton-seaice in #54
• Mask iceberg data file upon reading by @blimlim in #55
• Merge netcdf code from master branch by @anton-seaice in #57

New Contributors

• @blimlim made their first contribution in #38

Full Changelog: https://github.com/ACCESS-NRI/cice5/commits/access-esm1.6-2025.07.000