Adding woocommerce_get_order_id_by_order_key(). #1440
Getting an order id by order key if invoice prefix has changed. #1440
Check for proper decimals setting before round()

@mikejolley can you check if this is not conflicting our recent
tax/rounding changes in any way? Defaulting to 0 now, ran into an edge
case where the value was not set, causing an error with the rounding
function.
Back end filters for attribute labels and variation options ( for translation plugins - filter names same as in variable.php )
tidy up
Support for Multiple Downloads

Support for multiple downloadable files per product: both simple and
variable.  This includes all admin, frontend, and database modification
code required for allowing multiple files, while maintaining backwards
compatibility for existing single-file download URLs and templates.
hooks for meta
Added sales by category report
Update templates/content-product.php

Save some output space?
Merge pull request #1442 from thenbrent/paypal-prefix-fix

PayPal Prefix Fix
readme
Merge pull request #1452 from kingbt/patch-8

Update templates/content-product.php
Merge branch 'master' of https://github.com/woothemes/woocommerce
Dashboard and Reports support for ML plugins, I
Layered nab link filter for ML linking
reset postdata instead of query - needs testing.
Added more error messages for coupons
tweak string
After successful add to cart, if there are no other redirects, redirect to referer.
Update templates/single-product/tabs/tab-attributes.php