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krflol merged 1 commit into from
Oct 8, 2026
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Explain Python 3.15 preview coverage in the install guide #80

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14 changes: 14 additions & 0 deletions docs/getting-started/installation.md
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Expand Up @@ -45,6 +45,20 @@ python -m pip install fullbleed

The stable-ABI wheels cover supported CPython versions. For an unsupported target, a source build requires Rust; [source build instructions](https://github.com/fullbleed-engine/fullbleed-official#install) are in the engine repository.

## Python 3.15 preview

The separate [Python Preview checks](https://github.com/fullbleed-engine/fullbleed-official/actions/runs/37720487567)
exercise CPython **3.15.0rc3**, with the standard GIL, on Windows x64 and Linux
x64. They install the same abi3 wheel tested on Python 3.10, run the installed
API and CLI checks, and compare generated PDFs and previews byte for byte.
The [coverage note](https://github.com/fullbleed-engine/fullbleed-official/blob/master/docs/python-compatibility.md)
explains the retained evidence and the explicit skip for an unavailable legacy
subinterpreter API.

Python 3.10–3.14 remains the supported stable range. These preview checks do not
establish compatibility with Python 3.15 final, free-threaded builds, or macOS
on this preview.

## Run in Docker

The [Docker invoice starter](../guides/python-docker.md) includes a FastAPI app,
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