It was updated weekly on Sundays throughout 2017.
Extracted from Letterboxd top 50s since 2016. Unlike how Metacritic's year rankings use U.S. releases, I go by first national release by any country, excluding only festival releases.
See Metacritic tag for other top lists.
On 10/22/17 I decided to split the list into fiction and documentaries due to the high number of the latter with very few reviews. You can find the doc list here.