v1.2.1

Release v1.2.1 changes

• Crates versions bumped to "v1.2.1", runtime spec version bumped to 1210;

Update requirements

Name	Character
JS clients	⚪ None
Programs	⚪ None
Node bin	⚪ None

Runtime

📚 Bug fixes and stability improvements

Full Changelog: v1.2.0...v1.2.1