# ACCESS-OM3 development highlights/updates

**URL:** https://forum.access-hive.org.au/t/access-om3-development-highlights-updates/5902
**Category:** Working Group
**Tags:** cosima
**Created:** [11 February 2026 23:42 UTC](https://forum.access-hive.org.au/t/access-om3-development-highlights-updates/5902 "2026-02-11T23:42:37Z")
**Posts on this page:** 1
**Showing post:** 12

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### Author: ![aekiss](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.access-hive.org.au/aekiss/32/46_2.png) [@aekiss](https://forum.access-hive.org.au/u/aekiss)
#### Post date: [8 July 2026 23:13 UTC](https://forum.access-hive.org.au/t/access-om3-development-highlights-updates/5902/12 "2026-07-08T23:13:35Z")

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# 2026-07-09

- New [25km 66-year IAF test cycle](https://github.com/ACCESS-NRI/access-om3-configs/issues/1394) and [31-year test run of RYF version of the same 25km configuration](https://github.com/ACCESS-NRI/access-om3-configs/issues/1423) complete; will be move to `/g/data/ol01` soon.
- New OM3 25km beta release [imminent](https://github.com/ACCESS-NRI/access-om3-configs/issues/1482)
- [8km test config under development](https://github.com/ACCESS-NRI/access-om3-configs/issues/1337)
- MOM6-CICE6-WW3 100km OM3 configuration progressing towards alpha release (with ERA5 forcing)
  - Memory leak fix and significant performance improvement

- PR demonstrating MOM6 continuity solver that allows dynamically switching between CPU/GPU optimised layout. Performance is looking good

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