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2022-01-05-minutes.md

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[Minutes] UA String Reduction - 2022-01-05

Attendees:

  • Karl Dubost, Mozilla
  • Chris Peterson, Mozilla
  • Mike Taylor, Google
  • Ali Beyad, Google

Agenda - Minutes

Action items from last meeting:

  • Ali will sync with Google devrel about co-publishing blog posts about version 100 compatibility.
    • Devrel is eager to collaborate. Rowan Merewood (Google DevRel) is happy to help / collaborate / get this published from the Google side. Karl is happy to participate from Mozilla side. Chris happy to help with edits. Ali happy to participate from Google.
    • Outline:
      • Should have schedule of releases clearly laid out
      • What kinds of mitigations that Chrome can do, what Firefox can do.
      • Possibly types of patterns for bugs?
    • Instructions for testing your site with Chrome or Firefox 100.
  • Mike start documenting the structure of different browsers' UA strings: draft: User-Agent string patterns

Version 100 testing?

  • Still running version 100 experiments in Firefox Nightly. Some broken sites found and fixed. No major breakage.
  • Following up from Yell Business and Duda breakage.
    • Seems like these were all fixed. \o/
    • Thinking about having a 99.100.NNNN.0 backup plan, just in case™. But I don’t think we’ll need it.
      • NNNN is Chrome build number.
    • Firefox backup plan is to override UA for individual sites or freeze version at 99.0 and stick real version in Gecko/ token:
      • Mozilla/5.0 (Windows NT 10.0; rv:100.0) Gecko/20100101 Firefox/100.0
      • Mozilla/5.0 (Windows NT 10.0; rv:99.0) Gecko/100 Firefox/99.0
  • List of version 100 bugs
  • Chrome started an experiment to test v100 in webview. But there were bugs, so it didn’t actually work yet. Going to try to get some testing in, but not a lot of time left.

Firefox proposal for UA reductions

  • Chris is writing a Firefox proposal to implement some of Chrome’s planned UA reductions.

New action items: