v9.1.6-canary.11

Patches

• Normalize RegEx source between node versions: #9749
• Fix typo (change imperatively to imperative): #9750
• Fix Shared Sizes Missing Commons: #9752
• Add check for invalid assetPrefix: #9759
• Add tests ensuring auto-exported amphtml rel is valid: #9762
• Fix AMP HMR for child components: #9736

Credits

Huge thanks to @taylorbryant and @timneutkens for helping!