polars-bio 0.21.0

Release 0.21.0

on Python PyPI

0.21.0 (2026-02-09)

Features

• Add BAM/CRAM optional alignment tag support (#281) (1f40dda)
• Add BAM/CRAM write support using datafusion-bio-formats PR #51 (69d9d23)
• Add BAM/CRAM write support using datafusion-bio-formats PR #51 (#283) (1749f6b), closes #54 #54
• Add indexed & parallel reads with predicate pushdown (#286) (f1ab447), closes #61 #61
• Add parsing-level projection pushdown for BAM/CRAM/VCF (#288) (a87fe8b), closes #64
• Add SAM format read/write support (#285) (f3da685), closes #57 #57 #60
• Add VCF and FASTQ write/sink support (#276) (08881de), closes #47

Bug Fixes

• Move mkdocs-glightbox to dev dependencies (#280) (4df24a6)

Code Refactoring

• Unified FastqTableProvider with auto parallel reads (#287) (1f512c4), closes #63