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Prepare for release of v1.0.0-rc2210 #1438

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shsms merged 1 commit into from
Jul 20, 2026
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Prepare for release of v1.0.0-rc2210 #1438

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8 changes: 3 additions & 5 deletions RELEASE_NOTES.md
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## Summary

<!-- Here goes a general summary of what this release is about -->
This release updates the microgrid component graph library to v0.5.0. Formulas now fall back to more sources: a component that shares a meter with other components can be measured as that meter minus its siblings, so a formula can still return a value where it used to return nothing.

## Upgrading

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## New Features

* `microgrid.initialize()` has a new keyword argument `component_graph_config`. It takes a `ComponentGraphConfig` and gives full control over how the component graph is built. For example, pass `ComponentGraphConfig(prefer_meters_in_component_formulas=True)` to make the per-category formulas read from the meter first, as in previous releases. `ComponentGraphConfig` and `FormulaOverrides` are re-exported from `frequenz.sdk.microgrid`.
* Formulas now fall back to more sources. A component that shares a meter with other components can be measured as that meter minus its siblings, which also covers diamond topologies, and a meter can fall back to the components under it. So a formula can still return a value when some readings are missing.

## Bug Fixes

<!-- Here goes notable bug fixes that are worth a special mention or explanation -->
* `microgrid.initialize()` has a new keyword argument `component_graph_config`. It takes a `ComponentGraphConfig` and gives full control over how the component graph is built. `ComponentGraphConfig` and `FormulaOverrides` are re-exported from `frequenz.sdk.microgrid`.
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