2026.05.001

This release is based on mom-ocean/MOM6:main at d51c751 with the following changes:

2026.05.001

• Fixed accumulation of salt_flux_in and salt_left_behind when THERMO_SPANS_COUPLING (by @dougiesquire in #59)

2026.05.000

• Fixed spurious wind speeds at OBC boundaries due to the application of wind stress BCs at these locations in MOM_vert_friction module (by @dougiesquire in #55)
• Added file-based dye tracer (by @angus-g in #51)
• Fixed introduction of NaN in LF17 wave method with WAVE_INTERFACE_ANSWER_DATE >= 20230102 (by @dougiesquire in #50)
• Increased character length for logging message in MOM_neutral_diffusion module (by @ezhilsabareesh8 in #45)
• Allowed simultaneous MOM6 solo (exe) and ACCESS3 (library) builds in CMake build system (by @dougiesquire in #36 and #37)
• Added ACCESS-NRI build-ci test infrastructure (by @CodeGat and @dougiesquire in #24 and #32)
• Fixed indexing i/j typo bug when HMIX_UV_SFC_PROP>0 (by @claireyung in #28)
• Added support for restarting from decomposed restart files when restart filenames are provided (by @minghangli-uni and @dougiesquire in #23)
• Clarified description of KHTR_MAX parameter (by @aekiss and @minghangli-uni in #19)
• Fixed bug in application of salt flux adjustments (by @dougiesquire in #18)
• Fixed typo in long_name of total_net_massin diagnostic (by @aekiss in #11)
• Added CMake build system for ACCESS3 models (by @anton-seaice, @dougiesquire, @minghangli-uni, @micaeljtoliveira and @JorgeG94 in #2, #10, #15 and #40)
• Added support for using generic tracers with the NUOPC cap (by @dougiesquire in #8)
• Re-add src/tracer/MOM_generic_tracer.F90 routine (by @dougiesquire in #21)

Full Changelog: 2026.01.001...2026.05.001

2026.05.000

This release is based on mom-ocean/MOM6:main at d51c751 with the following changes:

• Fixed spurious wind speeds at OBC boundaries due to the application of wind stress BCs at these locations in MOM_vert_friction module (by @dougiesquire in #55)
• Added file-based dye tracer (by @angus-g in #51)
• Fixed introduction of NaN in LF17 wave method with WAVE_INTERFACE_ANSWER_DATE >= 20230102 (by @dougiesquire in #50)
• Increased character length for logging message in MOM_neutral_diffusion module (by @ezhilsabareesh8 in #45)
• Allowed simultaneous MOM6 solo (exe) and ACCESS3 (library) builds in CMake build system (by @dougiesquire in #36 and #37)
• Added ACCESS-NRI build-ci test infrastructure (by @CodeGat and @dougiesquire in #24 and #32)
• Fixed indexing i/j typo bug when HMIX_UV_SFC_PROP>0 (by @claireyung in #28)
• Added support for restarting from decomposed restart files when restart filenames are provided (by @minghangli-uni and @dougiesquire in #23)
• Clarified description of KHTR_MAX parameter (by @aekiss and @minghangli-uni in #19)
• Fixed bug in application of salt flux adjustments (by @dougiesquire in #18)
• Fixed typo in long_name of total_net_massin diagnostic (by @aekiss in #11)
• Added CMake build system for ACCESS3 models (by @anton-seaice, @dougiesquire, @minghangli-uni, @micaeljtoliveira and @JorgeG94 in #2, #10, #15 and #40)
• Added support for using generic tracers with the NUOPC cap (by @dougiesquire in #8)
• Re-add src/tracer/MOM_generic_tracer.F90 routine (by @dougiesquire in #21)

New Contributors

• @ezhilsabareesh8 made their first contribution in #45
• @angus-g made their first contribution in #51

Full Changelog: 2026.01.001...2026.05.000

2026.01.001

This release is based on mom-ocean/MOM6:main at f5ae5cf with the following changes:

2026.01.001

• Updated debug flags in CMake build system (by @anton-seaice in #40)

2026.01.000

• Allowed simultaneous MOM6 solo (exe) and ACCESS3 (library) builds in CMake build system (by @dougiesquire in #36 and #37)
• Added ACCESS-NRI build-ci test infrastructure (by @CodeGat and @dougiesquire in #24 and #32)
• Fixed indexing i/j typo bug when HMIX_UV_SFC_PROP>0 (by @claireyung in #28)
• Added support for restarting from decomposed restart files when restart filenames are provided (by @minghangli-uni and @dougiesquire in #23)
• Clarified description of KHTR_MAX parameter (by @aekiss and @minghangli-uni in #19)
• Fixed bug in application of salt flux adjustments (by @dougiesquire in #18)
• Fixed typo in long_name of total_net_massin diagnostic (by @aekiss in #11)
• Added CMake build system for ACCESS3 models (by @anton-seaice, @dougiesquire, @minghangli-uni, @micaeljtoliveira and @JorgeG94 in #2, #10 and #15)
• Added support for using generic tracers with the NUOPC cap (by @dougiesquire in #8)
• Re-add src/tracer/MOM_generic_tracer.F90 routine (by @dougiesquire in #21)

New Contributors

• @anton-seaice made their first contribution in #40

Full Changelog: 2026.01.000...2026.01.001

2026.01.000

This release is based on mom-ocean/MOM6:main at f5ae5cf with the following changes:

• Allowed simultaneous MOM6 solo (exe) and ACCESS3 (library) builds in CMake build system (by @dougiesquire in #36 and #37)
• Added ACCESS-NRI build-ci test infrastructure (by @CodeGat and @dougiesquire in #24 and #32)
• Fixed indexing i/j typo bug when HMIX_UV_SFC_PROP>0 (by @claireyung in #28)
• Added support for restarting from decomposed restart files when restart filenames are provided (by @minghangli-uni and @dougiesquire in #23)
• Clarified description of KHTR_MAX parameter (by @aekiss and @minghangli-uni in #19)
• Fixed bug in application of salt flux adjustments (by @dougiesquire in #18)
• Fixed typo in long_name of total_net_massin diagnostic (by @aekiss in #11)
• Added CMake build system for ACCESS3 models (by @anton-seaice, @dougiesquire, @minghangli-uni, @micaeljtoliveira and @JorgeG94 in #2, #10 and #15)
• Added support for using generic tracers with the NUOPC cap (by @dougiesquire in #8)
• Re-add src/tracer/MOM_generic_tracer.F90 routine (by @dougiesquire in #21)

2025.07.001

This release is based on mom-ocean/MOM6:main at 6c3dd9c—chosen to exclude a recently-introduced bug in the initialisation of OBCs—with the following changes:

2025.07.001

• Allowed simultaneous MOM6 solo (exe) and ACCESS3 (library) builds in CMake build system (by @dougiesquire in #36 and #37)
• Added ACCESS-NRI build-ci test infrastructure (by @CodeGat and @dougiesquire in #24 and #32)
• Fixed indexing i/j typo bug when HMIX_UV_SFC_PROP>0 (by @claireyung in #28)

2025.07.000

• Added support for restarting from decomposed restart files when restart filenames are provided (by @minghangli-uni and @dougiesquire in #23)
• Clarified description of KHTR_MAX parameter (by @aekiss and @minghangli-uni in #19)
• Fixed bug in application of salt flux adjustments (by @dougiesquire in #18)
• Fixed typo in long_name of total_net_massin diagnostic (by @aekiss in #11)
• Added CMake build system for ACCESS3 models (by @anton-seaice, @dougiesquire, @minghangli-uni, @micaeljtoliveira and @JorgeG94 in #2, #10 and #15)
• Added support for using generic tracers with the NUOPC cap (by @dougiesquire in #8)
• Re-add src/tracer/MOM_generic_tracer.F90 routine (by @dougiesquire in #21)

2025.07.000

This release is based on mom-ocean/MOM6:main at 6c3dd9c—chosen to exclude a recently-introduced bug in the initialisation of OBCs—with the following changes:

• Added support for restarting from decomposed restart files when restart filenames are provided (by @minghangli-uni and @dougiesquire in #23)
• Clarified description of KHTR_MAX parameter (by @aekiss and @minghangli-uni in #19)
• Fixed bug in application of salt flux adjustments (by @dougiesquire in #18)
• Fixed typo in long_name of total_net_massin diagnostic (by @aekiss in #11)
• Added CMake build system for ACCESS3 models (by @anton-seaice, @dougiesquire, @minghangli-uni, @micaeljtoliveira and @JorgeG94 in #2, #10 and #15)
• Added support for using generic tracers with the NUOPC cap (by @dougiesquire in #8)
• Re-add src/tracer/MOM_generic_tracer.F90 routine (by @dougiesquire in #21)

2025.08.000

DO NOT USE THIS RELEASE: see #26

This release is based on mom-ocean/MOM6:main at b18bca2 with the following changes:

• Fixed bug in application of salt flux adjustments by @dougiesquire in #18
• Fixed typo in long_name of total_net_massin diagnostic by @aekiss in #11
• Added CMake build system for ACCESS3 models by @anton-seaice, @dougiesquire, @minghangli-uni, @micaeljtoliveira and @JorgeG94 in #2, #10 and #15
• Added support for using generic tracers with the NUOPC cap by @dougiesquire in #8
• Re-add src/tracer/MOM_generic_tracer.F90 routine by @dougiesquire