pypi / duckdb

duckdb

What changed in duckdb 1, from its official release notes, upgrade guides and advisories. Sources checked 2026-10-19.

1 security2 new APIs and options2 behavior and defaults2 fixes and other

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@unstale/cli on npm

duckdb 17 changes

Security 1

DuckDB is a SQL database management system. DuckDB implemented block-based encryption of DB on the filesystem starting with DuckDB 1.4.0. There are a few issues related to this implementation. The DuckDB can fall back to an insecure random number generator
1.4.2security advisory

New APIs and options 2

Accepts pathlib.Path, os.PathLike, bytes, and file-like objects as inputs.
1.5.4release notes
Accepts pathlib.Path, os.PathLike, bytes, and file-like objects as inputs.
1.5.4release notes

Behavior and default changes 2

Arrow exports are unified across all query result types.
1.5.4release notes
Polars dynamic predicates are ignored.
1.5.4release notes

Fixes and other changes 2

Fixes the alias of DuckDBPyRelation.query.
1.5.5release notes
Relation queries now work with a read-only connection.
1.5.4release notes