After SPG announced hotel category changes for 2018, Marriott followed with its own list. (dannydealguru.com)
SPG Hotel category changes for 2016 are announced, 282 hotels are changing in category (168 going up in category and 114 going down in category) (takeoffwithmiles.com)
Hyatt is the first major hotel chain to announce hotel category changes for 2015, and in my opinion the changes might end up being positive. (travelcodex.com)