On 23rd of March, Heikki Linnakangas committed patch: Add pg_rewind, for re-synchronizing a master server after failback. Earlier versions of this tool were available (and still are) on github. Thanks to Michael Paquier, Alvaro Herrera, Peter Eisentraut, Amit Kapila, and Satoshi Nagayasu for review.

On 16th of February, , Robert Haas committed patch: pg_ctl promote   Fujii Masao, reviewed by Robert Haas, Stephen Frost, and Magnus Hagander.