UPGRADE-0.15.md

UPGRADE to 0.15

Table of Contents

• Upgrade Symfony from 2.8 to 3.4
• Upgrade all dependencies to their last stable versions

Upgrade Symfony from 2.8 to 3.4

Symfony changes:

• https://github.com/symfony/symfony/blob/3.4/UPGRADE-3.0.md
• https://github.com/symfony/symfony/blob/3.4/UPGRADE-3.1.md
• https://github.com/symfony/symfony/blob/3.4/UPGRADE-3.2.md
• https://github.com/symfony/symfony/blob/3.4/UPGRADE-3.4.md

Upgrade all dependencies to their last stable versions