All notable changes to this project will be documented in this file.
Versioning of this project adheres to the Semantic Versioning spec.
Released 2026-04-13
- Flatten
tagsstruct into top-level columns - Use duckdb-osmium to read OSM PBF instead of pyosmium
- Switch from Debian to Alpine container base image
First tagged version of Layercake, released 2026-03-30.
Changes since first public version:
- spatially sort output features and compress output GeoParquet files with zstd
- add boundaries, settlements, and parks layers
First public version of Layercake, published on 2025-04-21.
Included two layers: buildings and highways. Used Python scripts to extract features from OSM PBF (using pyosmium) and write them to GeoParquet (using pyarrow).