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@mgovers mgovers commented Oct 1, 2025

Rationale of this change

As recommended by the SPEC (Scientific Python Ecosystem Coordination), and as communicated in this announcement, the Power Grid Model has been scheduled to drop support for NumPy 1.x on 1-Oct-2025 (see also SPEC 0's drop schedule for 2025-Q3).

Consequences of this change

Starting with the release associated with this PR, newer releases of power-grid-model and dependent libraries (power-grid-model-io and power-grid-model-ds) will no longer have active backwards compatibility for NumPy 1.x. In particular, we may do a change that breaks compatibility with NumPy 1.x at any date after the active support is dropped. Please upgrade to NumPy 2.x as soon as possible to stay up to date with new features, as well as important security updates and bug fixes.

Relates to

Signed-off-by: Martijn Govers <[email protected]>
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sonarqubecloud bot commented Oct 6, 2025

@jaapschoutenalliander jaapschoutenalliander merged commit a6d3654 into main Oct 6, 2025
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@jaapschoutenalliander jaapschoutenalliander deleted the feature/drop-numpy-1-support branch October 6, 2025 06:54
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3 participants