11.0 Breaking Changes

[adamraine]

Need to have

• Remove legacy runner #15060
  • Done, remaining items are not breaking or not a high priority
• core: remove first-contentful-paint-3g audit #15252
  • (followup from clients(lr): remove FCP 3G from config #14910)
• misc: drop node 16 support #15290
  • https://github.com/nodejs/release#release-schedule
  • https://nodejs.org/en/blog/announcements/nodejs16-eol
• misc(logger): add types, remove cjs #15279
• core: remove service-worker audit #15257
• New axe rules: http://go/prcpg
• Combine long-tasks and mainthread-work-breakdown
  • After some further discussion. These audits are different enough to keep separate.
• core: remove resource-summary audit #15299
• core: make INP non-experimental #15285
• clients(extension): update to manifest v3 #15219

Nice to have

• Viewing simulated trace in DevTools is confusing #12788
• Re-weight Best Practices Audits #15163
• (Punt) new_audit: csp-inline #14878
• (Punt) Replace tap-targets with target-size rule from Axe and put under Accessibility, not SEO #12345
• (Punt) Architecture surface refactor and new node/ top-level entry point #14048
  • Should be done after we drop legacy
• (Punt) Handle accessibility incomplete and violations simultaneously  #14354
• (Punt) Consider dropping budgets from lighthouse core #15203
• (Punt) Drop third-party-summary and move blocking time signal somewhere else (long-tasks?)
  • Alternatively: just hide it but keep the data
• (Punt) Merge bootup-time (JS execution time audit) into long-tasks
• (Punt) Remove ScriptElements?