1.4.0-rc3

New Feature

• [B3-2935] - SAML2.0 was integrated to ensure secure single-sign-on.
• [B3-2996] - We now offer an alternative paying method that is designed to the demands of a company's internal accounting.
• [B3-3057] - The emails that are sent automatically when a new user needs to be verified now each have their unique subject and now include mails that are sent to all Verifying Users as soon as one of them processed a new user.

Improvement

• [B3-1828] - Big models are now replaced in the viewer whenever they are moved.
• [B3-2998] - PyMySQL is our new MySQL Connector. 
• [B3-3058] - We use Django-Storage-Swift as a new alternative way to save and preserve files.

Bugfixes

• [B3-2917] - Sentry: ValueError: No JSON object could be decoded.
• [B3-2920] - Typo: Wrong term in materials view list (german only!).
• [B3-2952] - Printability Analysis not showing up
• [B3-3034] - Backend - Unicode not supported with all countries.
• [B3-3046] - Issue with connecting Stripe account with (i.e.) any-shape.3yourmind.com
• [B3-3048] - Inspect and fix IM-185
• [B3-3049] - Homepage opens in iframe.