v0.19.1

What's Changed

• Bump version from 0.18.0 to 0.19.0 by @deniszh in #825
• Update CHANGELOG for version 0.19.0 by @deniszh in #826
• Bump version from 0.19.0 to 0.19.1 by @deniszh in #827

Full Changelog: v0.19.0...v0.19.1