"Also required fields not working, it is possible to add to cart without chosing the option.... even if the field is set to reqiured " - for this issue :
can you please give me the url. so we can take look
We need more info for this.
are you using which type of custom field ?
normally product custom field dont have required option. please add your site admin details to check this.
"Since the last update is for each article below from the price "Array" where can I disable that? "
this issue completed download latest files and use that.