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Jetxl
Developer Productivity
A blazingly fast Excel (XLSX) writer for Python backed by Rust
Rust
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Latest v0.3.1 · 16d ago
Security brief →
Features
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Ultra‑fast XLSX generation (up to 84× faster than common Python libraries)
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Zero‑copy Arrow integration for Polars, PyArrow and Pandas DataFrames
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Rich formatting: fonts, colors, borders, alignment, number formats
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Advanced Excel features: conditional formatting, data validation, formulas, hyperlinks, tables, charts, images
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Multi‑threaded sheet generation and memory‑efficient streaming XML output
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v0.3.1
Bug fix
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Dependencies
Cargo update
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v0.3.0
Mixed
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Arrow input + multithreaded writer + bug fixes
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v0.3.0-alpha
Mixed
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Table panic fix + bug fixes + DataFrame support
No immediate action
v0.2.4-alpha
Breaking risk
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Removed macOS conflicts
No immediate action
v0.2.1-alpha
Bug fix
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Build pipeline fixes
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