- new query operators from MongoDB
$not: { $gt: 1 }, $not: qr/asdf/
$nor: [ { query }, { query } ]
$regex: 'acme', $options: 'i'
$text
$size with ranges
- new update modifiers from MongoDB
$mul
new $push stuff
$setOnInsert
$min
$max
$currentDate
$pushAll deprecated
$each
$slice
$sort
$position
$bit