Adding support for LEFT JOINs and IS NULL conditions to Drupal's EntityFieldQuery has been asked for in d.o. issue queues and discussed over and over again. Although in Drupal 8 EntityFieldQuery has been rewritten, and now supports exists() and notExists() conditions, implementing it in Drupal 7 is still slightly hack-ish. Doing it in dynamic, parametrisable way however seems to be something new entirely.

Recently in Development

If you happen to have Commerce Stock module enabled, while at the same time you have removed Commerce Line Item: Delete button field from your Shopping cart form view, you most probably faced (or are still facing) some PHP warning and notices when using any of the shopping cart buttons.
Akeneo
Akeneo is an open source Product Information Management (PIM) system designed for retailers looking for efficient answers to their multichannel needs. Platform.sh is a groundbreaking hosting and development tool for web applications. It extends a branch-merge workflow to infrastructure so that every branch can be tested as if it were in production, and scales for the largest sites.
The Tower of Babel By Pieter Brueghel
Step-by-step guide to translating a Commerce Kickstart 2-based store, including multilingual products and search.
Don't Drink Poison by Carissa Rose Stevens
Ever got an invitation to one of those "fancy" Microsoft Office Live Meetings, only to end up scratching your head how the heck could you access it from your Mac? Especially if you were running Mavericks?
Mexican Marketplace by Anne Gifford
This tutorial will guide you through all the steps required to replicate the Commerce Marketplace demo site on your own server, and then explain how its behaviour differs depending on various configuration settings.

Recent commits

commerce_ads3436bcd28 Aug
Order sync: set variable to mark batch update as running, removed unused session variable
commerce_ads3ba113f28 Aug
Product sync: set variable to mark batch update as running, removed ununsed session variable
commerce_adsa89408728 Aug
Product stock sync: admin form fieldset, batch and cron to sync stock for all products,...
commerce_adsc66101627 Aug
Products export: added EanEntity API field to mappings
commerce_ads56ef85a27 Aug
Products export: improved mapping values/descriptions
commerce_ads52007de27 Aug
Products export: fixed getting field value for single-value fields

Maciej on drupal.org