May 2nd: DJ Anjali & The Incredible Kid knows somebody, I mean was added to Friday, to complete the four day sweep. S. Carey was moved from Monday to Sunday.
April 25th: Black Joe Lewis & The Honeybears added to Sunday, replacing the Villagers (Live review of Black Joe Lewis & The Honeybears recent Portland show here).
April 24th: Mariachi El Bronx added to Friday
April 4th: The Glitch Mob added to Saturday, replacing CSS
March 23rd: Typhoon added to Sunday
March 15th: Matt McCarthy (comedian) added to Saturday
March 14th: Seattle Rock Orchestra (performing Radiohead) added to Saturday. I'm calling it right now, the lineup for Sasquatch 2012 will feature Seattle Rock Orchestra performing Pearl Jam.
March 9th: Bob Mould added to Friday
March 4th: Biffy Clyro added to Friday
March 3rd: The Scott Aukerman & Paul F. Tompkins Show added to Monday
March 2nd: Wavves added to Monday
March 1st: Hari Kondabolu (Comedian) added to Sunday
February 16th: MSTRKRFT and Major Lazer switched days
February 15th: DJ Anjali & The Incredible Kid added to Saturday, Sunday, and Monday
February 11th: Givers added to Monday
February 8th: J. Mascis added to Saturday, Head Like A Kite added to Monday
February 7th: Death From Above 1979, Tokyo Police Club (Neither were on the original poster)