v5.3.0-alpha.19

Features

• React: Move Create React App support to external preset (#8416)
• CLI: MDX template support (#8396)

Bug Fixes

• Addon-jest: Make withTests type generic (#8410)
• Addon-docs: Don't error in React when there's no prepareForInline (#8415)

Dependency Upgrades

• [Security] Bump lodash from 4.17.11 to 4.17.15 (#8351)