Pierre-Yves David <pierre-yves.david@ens-lyon.org> [Thu, 05 May 2016 16:20:53 +0200] rev 29186
transaction: turn lack of locking into a hard failure (API)
We have been warning about transactions without locks for about a year (and
three releases), third party extensions had a fair grace period to fix their
code, we are moving lack of locking to a hard failure in order to protect users
against repository corruption.