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Changelog

Version 0.2.1 (2026-08-31)

Fixes / improvements:

  • hash table resize policy: stop pointless and oversized rehashes
  • reuse tombstone buckets for new entries
  • do not grow the hash table when it is mostly tombstones
  • only shrink the hash table when the new capacity is actually smaller

Other changes:

  • add a release workflow (sdist build, pypi, provenance attestation, gh release)
  • CI: harden the workflows, add dependabot
  • update docs

Version 0.2.0 (2026-08-11)

  • HashTable.items() / HashTableNT.items(): add optional prefix_bits / prefix arguments to iterate over only the items whose keys start with the given bit prefix. As the keys are random bytes, this partitions the items into 2 ** prefix_bits roughly equally sized, disjoint sets, so a huge hash table can be processed in batches with a small memory footprint, #49.
  • Require key_size >= 4 to avoid out-of-bounds reads in _get_index, #42.
  • Add support for Python 3.15, remove 3.10.
  • Cythonize with the latest Cython release.

Version 0.1.1 (2026-02-09)

  • Cythonize with the latest Cython release.
  • Use the SPDX license identifier, require a recent setuptools.
  • Add support for Python 3.14, remove 3.9.
  • Migrate tox configuration to pyproject.toml.
  • Fix typos and grammar.

Version 0.1.0 2024-11-18

  • HashTableNT: handle byte_order separately.
  • HashTableNT: provide separate formats in the value_format namedtuple.

Version 0.0.2 2024-11-10

  • Fixed "KV array is full" crash on 32-bit platforms (and maybe also some other integer-size related issues), #27.
  • Added an .update() method to HashTableNT (like dict.update()), #28.

Version 0.0.1 2024-10-31

Initial release.