v1.4.0

🚀 Enhancement

• #777 Add isNotValid assertion (@luxferresum)

📝 Documentation

• #778 Add "qunit-plugin" keyword to package.json (@Krinkle)

🏠 Internal

• #764 Update TypeScript from v3.8.3 to v3.9.7
• #773 Refactor CSS Style Declaration types (@BarryThePenguin)

Committers: 3

• Jonathan Haines (@BarryThePenguin)
• Lukas Kohler (@luxferresum)
• Timo Tijhof (@Krinkle)