python3.8 support drop - #6197

Walkthrough

Python 3.8 support was removed from the project. This included updating CI workflows, the release pipeline, dependency constraints, installation documentation, and setup metadata to require Python 3.9 or newer. All version checks, dependency specifiers, and instructions referencing Python 3.8 were updated accordingly.

Changes

Sequence Diagram(s)

sequenceDiagram
    participant User
    participant CI Workflow
    participant Release Workflow
    participant Setup Script
    participant Documentation

    User->>CI Workflow: Trigger tests/builds
    CI Workflow->>CI Workflow: Run jobs for Python 3.9–3.13 (not 3.8)
    User->>Release Workflow: Trigger release
    Release Workflow->>Release Workflow: Build/publish eggs for Python 3.9–3.13
    User->>Setup Script: Install package
    Setup Script->>Setup Script: Enforce python_requires >=3.9
    User->>Documentation: Read install instructions
    Documentation->>User: Show minimum Python 3.9 required

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~8 minutes

Poem

🐇
Farewell to Python three-point-eight,
Our code now moves to something great!
With docs and scripts all up to date,
CI and eggs in sync—how straight!
The rabbit hops with cheerful cheer,
For Python 3.9 is finally here!

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