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README.md

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-rfasta: Rust-powered protein FASTA parser library and CLI.
+# rfasta: Rust-powered protein FASTA parser library and CLI.
 
-rfasta is designed for bioinformaticians and protein scientists who need a fast,
+**rfasta** is designed for bioinformaticians and protein scientists who need a fast,
 reliable tool for parsing, cleaning, and manipulating protein sequence FASTA files.
 
 rfasta is a direct port of the python package [protfasta](https://github.com/holehouse-lab/protfasta) into rust. This greatly improves the performance of parsing, cleaning, and manipulation of LARGE protein sequence fasta files such as those from uniref.
+
+
+## Changelog
+
+# v0.1.0-beta (Initial Release)
+# Initial beta release of rfasta.
+- Core functionality for:
+  - Parsing: Read and interpret protein FASTA files efficiently.
+  - Cleaning: Remove invalid entries and ensure sequences conform to biological standards.
+  - Manipulation: Efficient fasta sharding operations on large protein sequence fasta files.
+- Rust CLI integration for command-line use cases.
+- Python bindings via PyO3 for seamless Python library integration.
+- High performance with optimized parsing for large-scale FASTA files (e.g., UniRef datasets).
+- Early-stage development—additional features, documentation, and pypi deployment to follow in subsequent releases.