We released an update to OverseerFM on 2 November 2025.
The update of the Overseer model to version 6.5.12 release 6.5.12 addresses minor defects in model implementation identified through user feedback and internal reviews at Overseer Ltd during model refinement.
Details of the changes made to the model can be reviewed in the attached release notes.
The release also adds to the software:
- Addition of digestate biofertilisers. You can read more about this new organic fertiliser type here.
- Addition of "Soya" as a selectable supplement type for user custom supplements - ensuring soya based custom supplements include a representative GHG emissions factor. The impacts of not using the correct emission factor can be understood by reviewing the Overseer 6.5.11 Release notes here.
- Addition of Fert Wholesale Direct as a fertiliser product provider. A complete list of fertiliser companies pre-populated in OverseerFM can be found here.
To complement the release notes, users can also find attached two additional documents:
-
Overseer Model Update 6.5.12 - Full Impact Assessment.
This document presents the impact of version 6.5.12 on modelled nitrogen (N), phosphorus (P), and greenhouse gas (GHG) results, evaluated across the full OverseerFM production database. -
Overseer Model Performance Assessment 6.5.12.
This document compares model results against measured leaching data from farmlet trials used in prior validation work. This work provides an assessment for both the pasture model and crop modelling.