Six v0.3.0: coverage heatmaps in the HTML report (opens in new tab)

Six v0.3.0: coverage heatmaps in the HTML report 1 Jun 2026 by typicalpixel v0.3.0 adds a heatmap to the HTML formatter. Run mix six.html –open and every source line is shaded by how many times your test suite actually ran it. Missing coverage and degrees of coverage, both obvious at a glance. Six is mostly built for agents, but this release is for humans.