v9.0.3-canary.6

Patches

• Include scheduler in React bundle: #8164
• Optional Server Compression: #8066
• Fix build only server-side /api/index.js: #8167
• Fix a typo in README: #8177
• Provide AppTree to getInitialProps for getDataFromTree: #7732
• Test environment code should target Node: #8181
• Fix: Add error message for duplicate route param name: #8047

Credits

Huge thanks to @Timer, @developit, @huv1k, @OttlikG, and @nataliemarleny for helping!