Dependency-only refresh to published Dateutil v2.9.1. DateParser runtime algorithms, public APIs, locale/conversion data, and caller-owned concurrency are unchanged.
Dependency: Go-Dateutil v2.9.1, module checksum h1:5g4V8s1vg/EAmhu/g14VQcHgocNf8H8VD4IzOfZg+1Y=.
Source commit: 1554533a164fdcab763e59bd42fe46c86bb98a74.
Python dateparser 1.4.3 and python-dateutil 2.9.0.post0 remain the behavioral references. CPython 3.14.6 rechecked the current Go dependency graph: the same 75 core and 16 search-result corrections passed. Historical fixtures and their original source identities are unchanged.
Local qualification: Go 1.26.0 and 1.27.1 Linux suites; Windows Go 1.27.1; race tests in UTC, America/New_York and Asia/Kolkata; vet, tidy and module verification.
Existing v1.4.3/v1.4.5/v1.4.6 benchmark measurements retain their original version labels. No v1.4.7 performance measurement or gain is claimed.
See the versioned README for installation, historical measurements, reproduction commands and compatibility limits.