v1.4.0

1.4.0 (2026-05-10)

Features

• bench: add AutoMapper profile (9cb6eac)
• bench: add hand-written baseline mappers (d3bb876)
• bench: add Mapperly mapper definitions (381b781)
• bench: add shared model fixtures (58873de)
• bench: add ZeroAlloc.Mapping mapper definitions (76baee7)
• bench: Collection scenario (40fed2c)
• bench: FlatConversion scenario (6873a35)
• bench: FlatIdentity scenario (ed18d4d)
• bench: Flattening scenario (f532c09)
• bench: import-benchmarks.ps1 splices BDN results into performance.md (f138ea1)
• bench: parity check across all four mappers (bde4d0e)
• bench: Polymorphic scenario (1c0f7a0)
• bench: restore string→int Parse coverage to ConvSrc (9bfbf76)
• bench: TryMap scenario (547b896)
• bench: UpdateInPlace scenario (6a485e1)

Bug Fixes

• bench: drop misleading TryMap try/catch wrap; align Sanity input with bench (7347d74)
• bench: import script — strip full project prefix in title, fix ${timestamp} braces, retry locked file writes (002573a)
• bench: order import-benchmarks output by narrative, not alphabet (dcb609e)

Documentation

• performance: add Benchmarks section with sentinels (6330509)
• performance: caveats, AutoMapper licensing, FlatIdentity noise note (b2c2f44)
• performance: import first benchmark run (5fab55a)
• performance: re-import after TryMap source fix and narrative-ordering script (848aa44)
• plans: benchmark harness design + implementation plan (0efd159)