Python Stack Compatibility Checker
Check which Python packages are compatible with your target Python version. Covers Django, Flask, NumPy, Pandas, and 30+ popular packages.
Data sources: PyPI (package metadata) · endoflife.date (version lifecycle)
How It Works
Select your Python version
Choose the Python version you want to target for your project or migration.
View the compatibility matrix
See the full compatibility matrix for 30+ popular packages against your target version.
Identify packages needing updates
Find which packages need updates before upgrading and plan your migration accordingly.
Frequently Asked Questions
- What packages are tracked?
- We track 30+ popular Python packages across frameworks (Django, Flask, FastAPI), data science (NumPy, Pandas, SciPy), web tools (requests, httpx, Celery), DevOps (Ansible, boto3), and testing (pytest, mypy, Ruff).
- How often is data updated?
- Package compatibility data is refreshed daily from PyPI.
- What does "requires_python" mean?
- It's a metadata field in Python packages that specifies which Python versions the package supports.
- How do I use this for upgrade planning?
- Select your target Python version to see which packages in your stack are compatible. Use our Upgrade Planner for a step-by-step migration guide.
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