Issues

• h3.grid_ring fails for non-pentagon root cells

  uber/h3-py#503 · Filter by author veromies opened on Aug 27, 2026
  4

• The int APIs pay ~18% of every scalar call for an identity _out_scalar wrapper

  uber/h3-py#501 · Filter by author jannikmi opened on Aug 24, 2026

• grid_path_cells can fail

  uber/h3-py#487 · Filter by author charleskawczynski opened on Apr 6, 2026
  1

• child_pos_to_cell arguments are not consistent with C

  uber/h3-py#469 · Filter by author isaacbrodsky opened on Nov 8, 2025
  3

• Plan to support ijk coordinates conversion?

  uber/h3-py#467 · Filter by author geliAIMila opened on Oct 6, 2025
  1

• Add format_as_geojson option to cell_to_boundary()

  uber/h3-py#454 · Filter by author nojimatakashi55 opened on May 13, 2025
  3

• Cmake update appears to break compilation

  uber/h3-py#453 · Filter by author fnmut opened on Mar 28, 2025
  6

• python3.9

  uber/h3-py#449 · Filter by author CrabbyPete opened on Mar 4, 2025
  1

• Unable to convert cell Id to lat lng

  uber/h3-py#448 · Filter by author akkharolia opened on Mar 4, 2025
  4

• Bug plotting polygon of logical children of polygons

  uber/h3-py#401 · Filter by author ajfriend opened on Sep 26, 2024
  5

• Fix usage of Cython API and Cython tests

  help wanted
  uber/h3-py#396 · Filter by author ajfriend opened on Sep 4, 2024
  3

• Fix Cython annotation building

  uber/h3-py#382 · Filter by author ajfriend opened on Jun 22, 2024

• Example repo for a cython package that cimports h3-py

  help wanted
  uber/h3-py#373 · Filter by author ajfriend opened on May 19, 2024
  2

• Handle point objects with __geo_interface__

  uber/h3-py#370 · Filter by author ajfriend opened on May 17, 2024

• h3.polyfill fails for simple polygon, works for subpolygon

  uber/h3-py#343 · Filter by author ocker11 opened on Feb 19, 2024

• What is the status / plan for vectorized APIs?

  uber/h3-py#341 · Filter by author wingkitlee0 opened on Jan 14, 2024
  14

• Support PEP 517 builds

  help wanted
  uber/h3-py#340 · Filter by author Zaczero opened on Jan 8, 2024
  3

• Combine coverage from symlinked API files

  uber/h3-py#336 · Filter by author ajfriend opened on Jan 1, 2024

• Output type for Vectorized h3.geo_to_h3()

  uber/h3-py#328 · Filter by author Anubis-Jackal opened on Nov 30, 2023

• Missing library stubs MYPY

  uber/h3-py#327 · Filter by author Jofemago opened on Nov 17, 2023
  4

• on Macos, new h3 install creates segmentation fault

  uber/h3-py#313 · Filter by author theophile-pace-bolt opened on Feb 20, 2023
  7

• H3ResDomainError using compact_cells in v4

  uber/h3-py#312 · Filter by author JochimMaene opened on Feb 9, 2023
  1

• H3 py conda forge packaging for apple silicon

  uber/h3-py#311 · Filter by author geoHeil opened on Feb 6, 2023
  1

• vectorized polyfill

  uber/h3-py#309 · Filter by author geoHeil opened on Jan 25, 2023
  2

• quadkey to h3

  uber/h3-py#308 · Filter by author geoHeil opened on Jan 25, 2023
  1