Changelog

Semantic versioning. Breaking changes only in major releases.

v1.9.2 — 28 Jul 2026

• Fixed a panic in the Arrow codec when a dictionary column contained a null index.
• Invert no longer allocates a second copy of leaf values.
• Fuzz corpus grown to 241k seeds; two crashers from the previous corpus fixed.

v1.9.0 — 11 Jun 2026

• New NDJSON() codec for line-delimited input.
• WithBufferSize now also applies to the applier.
• Move detection is roughly 30% faster on wide arrays thanks to a rolling hash.

v1.8.1 — 3 Apr 2026

• Corrected patch minimality for maps with numeric string keys.
• Documentation: added the benchmark methodology section.

v1.8.0 — 19 Feb 2026

• DiffTo added — streaming output without an intermediate *Patch.
• Context cancellation is now checked between records rather than between top-level values.
• Deprecated: WithParallelism, which never had an effect after v1.5.

v1.7.0 — 22 Nov 2025

• Protobuf codec accepts dynamic descriptors resolved at runtime.
• Reduced peak memory on deeply nested inputs by reusing path segments.