Changes in version 1.0.0 (2026-08-04)                  

  - Preserved the complete public API while making unmatched DTB queries
    return a schema-stable zero-row data frame.
  - Documented runtime and maintenance cache behavior, source-provenance
    gaps and the exact fields in the municipal edition inventory.
  - Made maintenance downloads validate temporary ZIP or JSON files
    before replacing cached artifacts, allowed explicit cache/work
    directories and prevented stale extraction files from entering
    rebuilds.
  - Split CI into a fast Ubuntu release check for pushes and pull
    requests and a comprehensive cross-platform check available on
    demand.
  - Added a separate scheduled/manual, rate-limited smoke test for the
    live IBGE source schema and latest municipal archive.

Spatial data

  - Added six municipal mesh milestones: 2000, 2001, 2007, 2010, 2023
    and 2025. Within each consecutive run with the same municipality
    count, the latest official edition is bundled.
  - Municipal files are bundled as topology-preserving compressed
    TopoJSON. They retain 5% of weighted Visvalingam vertices. Runtime
    map access is fully local and never downloads data.
  - Converted current non-municipal maps to topology-preserving
    compressed TopoJSON without additional simplification, substantially
    reducing the source package while keeping every spatial object
    installed locally.
  - Updated the current hierarchy to 5,571 municipal units, 510
    immediate regions and 133 intermediate regions, including Boa
    Esperança do Norte and the Escada–Ribeirão correction.
  - Recreated all CRS metadata as SIRGAS 2000 (EPSG:4674) and repaired
    invalid geometries.
  - Added a reproducible data-raw/ pipeline with pinned mapshaper, exact
    official source URLs, checksums and post-serialization validation.

API

  - Standardized public functions, arguments, level values and returned
    spatial columns in lower snake case.
  - get_brmap() now uses level, filters and output; geographic levels
    include "municipality", "state", "immediate_region" and related
    explicit names.
  - Added brmap_editions(), get_dtb(), get_dtb_levels(), join_brmap()
    and theme_brmap().
  - Renamed ambiguous fields to explicit forms such as
    municipality_code, state_code, immediate_region_code and
    state_abbreviation.
  - Filters use intersection (AND), eliminating duplicated rows from
    multiple conditions.
  - output = "data.frame" returns attributes without geometry and no
    longer depends on removed ggplot2 spatial fortify methods.
  - Previous function names, argument names, PascalCase levels and
    returned columns remain available through deprecated compatibility
    paths.
  - Reimplemented plot_brmap() with geom_sf() and made its theme
    argument effective. Its join and fill arguments are now data, by and
    fill_by.
  - Fixed type preservation in join_brmap() and DTB queries.

Quality

  - Added offline tests, cross-platform R CMD check CI and offline
    vignettes.
  - Documented all exported functions and installed datasets.
  - Decoded literal Unicode escapes in deaths, gini2015 and pop2017.

                        Changes in version 0.2.0                        

  - Added support for sf.

                 Changes in version 0.1.0 (2017-09-21)                  

  - Initial release.