Backout changesets: 1e1ae462668fdf8493c99b2f61ccad89e6facc8c, 47d0d97d730a1eddae214e840f4475d0373ad0e7, 36ceaad3f1d95db771a33ac31d31c4c0b1984f44, 9b977169625fcdbd3803a27b7b4c2e0213cb43dc
Alternative fix: stringify ajaxed posts' num