[ANNOUNCE] Git Rev News edition 55

[Christian Couder]

Hi everyone,

The 55th edition of Git Rev News is now published:

  https://git.github.io/rev_news/2019/09/25/edition-55/

Thanks a lot to Emily Shaffer, James Ramsay, Pratik Karki and Thomas
Ferris who contributed this month!

Enjoy,
Christian, Jakub, Markus and Gabriel.

PS: An issue for the next edition is already opened and contributions
are welcome:
https://github.com/git/git.github.io/issues/399