Ready for prime time?

Added ⭐️

• Don't run type-checking middleware when an existing build is used via --path (#1148)

Changed 💥

• Update tsconfig.json blueprint target value to 2020 (#1108)
• Use prepack and postpack instead of prepublishOnly and postpublish (#1196)

Fixed 🔧

• Bring apps closer to type-checking out of the box (#1169)

Under the hood 🚗

• Add RFCs to repo (#1157)
• Fix description of ts:precompile (#1162)
• Fix dead link to "packages this addon installs" (#1164)
• Get CI passing (#1167)
• Avoid false-positive willTypechecks on Linux (#1198)
• Dependency updates (4.0.0-rc.1-deps-bumps, #1191)

Upgrading ⚙️

• Make sure you are using at least ember-cli-babel@^7.17.0 or your .ts files will be ignored completely!
• If you are using ember-auto-import, make sure you are using at least ember-auto-import@^1.6.0.
• Run ember install ember-cli-typescript@next or use your package manager to upgrade to ember-cli-typescript@next directly and skip the blueprint.

Contributors 🙇

Thanks to everyone who contributed to this release in any way! In randomly shuffled order:

• @mrloop
• @chriskrycho
• @hjdivad
• @rwjblue
• @jamescdavis
• @dfreeman
• @Bouke