Hello/Hi/Greetings,

I'm trying to do an archive of pdf files with piwigo. I want to allow pdf upload cause  I saw that the last Piwigo version allow to do it. Just I updated my Piwigo. But I don't know what file I must to change to allow pdf upload.

Can somebody help me?

I tryed Charlies plugin but it doesn't work with the last version of Piwigo.

Thanks for your help

Piwigo version:
PHP version:
MySQL version:
Piwigo URL: http://