#### Features 🚀

#### Improvements 🧹

#### Bugfixes ⛑️

- Fixed crash when sequence diagrams had no messages.
  [https://github.com/terrastruct/d2/pull/427](https://github.com/terrastruct/d2/pull/427)
- Fixed `constraint` keyword setting label.
  [https://github.com/terrastruct/d2/issues/415](https://github.com/terrastruct/d2/issues/415)
- Fixed serialization affecting binary plugins (TALA).
  [https://github.com/terrastruct/d2/pull/426](https://github.com/terrastruct/d2/pull/426)