Using SSL certificates from Let’s Encrypt.
Activation of HSTS to force HTTPS.
Version 1.8.0 of the library to manage HTTP conditional requests in PHP. Tolerate a `-gzip` suffix in Etag.
Implemented security policy CSP.
Update of the gallery of very large images.
Update of Raspberry Pi with Node.js and Arduino over USB: .
Demonstration of multimodality with speech recognition thanks to the Web speech API.