• chore(ci): make sure .ts is linted d01e165
• fix: remove types re-export 2d3d4b6
• refactor: migrate to TypeScript 044799e
• chore: reconfigure eslint b7a3210
• chore(deps): add ember-cli-typescript bff7bec
• chore(ci): re-enable Ember 2.12 (#1414) 71ba062
• Update README.md 710f943
• Update README.md 66937c9
• Update README.md c239a42
• chore: migrate translation model to plain class (#1410) 1a2cce9
• chore: Document changes to lookup() (#1409) b19f9a0
• chore(ci): fix misnamed DEPLOY_KEY env var 🤦 d0934f3
• chore(ci): set ADDON_DOCS_VERSION_PATH for docs 51f6f19
• chore(ci): use DEPLOY_KEY secret for docs 06c7501
• chore(deps): remove ember-cli-github-pages 6cdd261
• chore(ci): remove Travis config 677128a
• docs(README): update CI badge 080a4db
• chore(ci): use CI flag for testem 86e6635
• chore(ci): add docs workflow cd1e048
• chore(ci): add GitHub Actions 09ee5a4
• chore(ci): add ember-lts-2.20 6aa94a7

https://github.com/ember-intl/ember-intl/compare/v5.4.2...v5.5.0-beta.1