What happens to Pull Requests after they are submitted

Note: this blog post was written as part of my mission as a PrestaShop maintainer

The PrestaShop project currently (September 2019) has 389 pull requests open and new Pull Requests are opened almost everyday. All of these pull requests go through a thorough process which aims to provide a stable, consistent and reliable software that we all know under the name PrestaShop. Here is this process in details.