What's Changed
- dep: Update signal_id to quash noisy test warnings by @flavorjones in #638
- Update AR::Tenanted to address tenant creation raciness by @flavorjones in #639
- Fix issues with invalid attachments markup by @jorgemanrubia in #640
Full Changelog: https://github.com/basecamp/fizzy/compare/fizzy@0f62fe8...fizzy@f3eb999