Happy Birthday Wikidata! Wikidata was launched on 29 October 2012, so turned five years old during WikidataCon. We celebrated, as every year, with a lot of presents, events and stories. You can find an overview on the birthday page.
A blog post describing Textes d'affiches, a tool using Wikidata to show movies and the works they are adapted from, developed during a hackathon at the national French library (in French)
Improvements to the way Wikidata changes are shown in watchlist and recent changes on Wikipedia and other projects so that they are more in-line with the other changes (phabricator:T48329, phabricator:T50684)