Head coach Kyle Shanahan told reporters Friday that Williams (ankle) is "trying to get back" and his recovery has been "a lot slower than anticipated," Nick Wagoner of ESPN.com reports.

Williams (ankle) has been ruled out ahead of Thursday night's matchup against the Rams, Eric Branch of the San Francisco Chronicle reports.

Willims (ankle) will not practice Wednesday, Nick Wagoner of ESPN.com reports.

Williams (ankle) will not practice Wednesday, Nick Wagoner of ESPN.com reports.

Williams (ankle) is inactive for Sunday's game against the Packers, Eric Branch of the San Francisco Chronicle reports.

Williams (ankle) is a true game-time decision, one that is being characterized as an 'uphill battle,' according to Jay Glazer on Fox NFL Sunday.

Williams (ankle) is listed as questionable for Sunday's game against the Packers, but the 49ers are optimistic that he'll be able to play, Adam Schefter of ESPN reports.

Williams (ankle) is active for Sunday's game against the Seahawks, Lindsey Peters of the 49ers' official site reports.

Williams (ankle) remains listed as questionable for Sunday's game against the Seahawks, but the 49ers are optimistic that he'll be available to play, Adam Schefter of ESPN reports.

Williams (illness, toe) is active for Sunday's game against the Patriots, Matt Barrows of The Athletic reports.