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You can reach the PrestaShop blog here: http://www.prestashop.com/blog/
Found a bug?
PrestaShop is an open-source project: you can use the software for free, you can read its source code... and if you ever encounter a bug, you can help us make it better by creating a ticket on the PrestaShop Forge, where it will be directly handled by the PrestaShop developers!
You can find the PrestaShop forge here: http://forge.prestashop.com/
You'll need to register you can post anything.