6.0.2-canary.0

Patches

• Fixes 'next export' when exportPathMap function depends on runtime config: #4339
• Set this.mounted to false when dynamic component is unmounted: #4333
• Upgrade with-typescript to use latest next-typescript: 2c3f406
• Make sure props.url is immutable: #4352

Credits

Huge thanks to @cedric-marcone and @wereHamster for helping!