There are events after 2009, mostly wikis in other languages arguing over maintaining the English wiki's distinction or their own interpretation of things. And although speakers of Arabic might insist that they have good reason to prefer to see the two as one every now and again these pleas have usually been shut down by the majority of the community voting against. There is an ongoing merge request to merge CA and MSA since July of 2019, so let's see what will come of that...
(Edit: Merger proposal removed on 19 February 2020, under "lack of support")