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Add LTS to SPEC 0 #389

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Add LTS to SPEC 0 #389

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14 changes: 14 additions & 0 deletions spec-0000/index.md
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Expand Up @@ -42,6 +42,16 @@ For instance, if a newer minimum version of a core package is needed by a projec
which is not backported to older versions.
{{< /admonition >}}

{{< admonition note >}}
Certain projects (e.g., projects that have more resources) may wish to provide long-term support (LTS) of an additional year.

Specifically, for projects wishing to provide LTS we recommend that:
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@mdhaber mdhaber May 14, 2025 •
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The first sentence is that all projects should adopt a common policy. This goes against that, so I think we should acknowledge the discrepancy in some way. If we do not recommend one over the other, the first sentence might change to be "adopt one of two time-based poicies...". If we have a preference for the first but recognize the need for the other, we might say something to that effect here.


1. Support for Python versions be dropped **4 years** after their initial release.
2. Support for core package dependencies be dropped **3 years** after their initial release.

{{< /admonition >}}

### Core Project Endorsement

<!--
Expand Down Expand Up @@ -84,6 +94,10 @@ The situation has since improved due to improved installations via binary wheels

### Support Window

{{< admonition note >}}
For LTS, add 1 year to the support window.
{{< /admonition >}}

```mermaid
{{< include-raw "chart.md" >}}
```
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