v11.15.1

Compatibility note

This release is binary compatible with 11.15.x series, and is created to facilitate the migration to the binary-incompatible 11.16.x series.

What's Changed

• Update smetrics to 0.4.2, cats-helper to 2.11.0 by @i-surkov in #349

Full Changelog: v11.15.0...v11.15.1