Changelog

The authoritative changelog lives at CHANGELOG.md in the repository, in Keep a Changelog format.

v0.1.0 — 2026-05-24

Initial public release.

• Core Packer class with Strategy and Tokenizer protocols.
• Strategies: Recency, SummaryEvict, Importance.
• Tokenizers: ApproxTokenizer, TiktokenAdapter, AnthropicAdapter.
• Providers: OpenAI Chat Completions, Anthropic Messages.
• Pinning rules: system, first_user, last_user, tool_results, integer index.
• tool_use / tool_result pair atomicity enforced everywhere.

Unreleased (v0.2.0 in progress)

• FirstFit strategy: counterpart to Recency.
• SemanticDedup strategy: drop near-duplicates via cosine similarity.
• Embedder protocol in convopack.embedders.
• Packer.pack_stream() returning PackEvents.
• HFTokenizerAdapter and huggingface:<id> spec.
• Gemini provider adapter with synthetic tool_use_id reconciliation.
• Benchmark harness in bench/.
• mkdocs Material documentation site.
• Hypothesis property tests for pair-grouping invariants.
• Coverage gate in CI (fail_under=85), README badges.
• Release workflow with PyPI Trusted Publisher (OIDC).