H3-Go on Project Wintermutehttps://wintermutecore.com/tags/h3-go/Recent content in H3-Go on Project WintermuteHugoen-usFri, 02 Oct 2026 14:00:15 +0000h3-go Adds a Conformance Suite and Speeds Pure Go Grid Fillshttps://wintermutecore.com/posts/h3-go-conformance-suite-and-grid-speed/Fri, 02 Oct 2026 14:00:15 +0000https://wintermutecore.com/posts/h3-go-conformance-suite-and-grid-speed/<p><a href="https://github.com/uber/h3-go">h3-go</a> ships two implementations of Uber&rsquo;s H3 hexagonal index. <code>github.com/uber/h3-go/v4</code> calls the vendored C library through cgo, and <code>x/h3go</code> is the pure Go port a cgo free build actually runs. From 28 September through 1 October 2026, master took 14 commits and 13,065 insertions across 104 files, most of them a suite that pins <code>x/h3go</code> to H3 4.5.0, plus measured cuts to grid disk and polygon fill time.</p>