For any urgent bugs please ping me or file an issue in the repo: https://github.com/mozilla/newfirefox.mozilla.community/issues
Thanks to Elio for helping to recycle the Quantum Sprint Design, Konstantina for wrangling all the project management and communications and Nuke for his feedback and translations-searching efforts.
BTW, on Tuesday 14th after the launch, you will see the example tweets that can be tweeted. The tweet button only will work without tracking protection, as we directly include Twitter libraries. Keep that in mind 