Here's a running list of recent wine appellation changes, updates, items of note etc (links open in new page). Please submit any recent changes in the comments section, and I will update this list.
Oct/2017 Austria adds Schilcherland DAC
Feb/2015 Plymouth Gin PGI lapsed
Dec/2017 Wine industry body named 'Wines of Great Britain - WineGB'
Apr/2018 Min age requirement for XO armagnac raised from 6 to 10 yrs
Nov/2017 Bourgogne Côte d'Or AOC launched
Nov/2017 Vézelay promoted to Village AOC
Apr/2018 XO spirit minimum age raised from 6 to 10 years
Feb/2017 Pic-Saint-Loup AOC created
Mar/2018 Premium Loire sparkling Prestige de Loire created (Crémant, Saumur, Vouvray)
Jul/2016 Colline Teramane Montepulciano d’Abruzzo DOCG replaces 'Montepulciano d’Abruzzo Colline Termane'
Apr/2017 Delle Venezie DOC created (FVG, Trentino, Veneto)
Oct/2017 Asti Secco DOCG for dry sparkling created
Feb/2017 Changes to Mezcal rules
Mar/2018 Official GIs recognized include: Canterbury, Gisborne, Hawke’s Bay, Marlborough, Martinborough, Matakana, Nelson (awaiting final approval), Northland, Waiheke Island, Wairarapa
Nov/2017 Cava de Paraja Calificado premium site designation
Dec/2017 New PDO for Terenife wines
Aug/2017 Rioja Consejo allows village labelling
Jun/2017 Rioja creates Viñedos Singulares 'single vineyard' classification
Jun/2017 Cape Town District replaces Tygerberg & Cape Peninsula (includes Wards of Constantia, Hout Bay, Durbanville & Philadelphia)
Dec/2017 Petaluma Gap AVA created
Nov/2017 Focus on Oregon AVAs