Hi,
I am building custom woocommerce product template.
I would like add Short description below Title as on picture.
I found to use Single field with post excerpt.
1. Problem is I would like to have no limit with words. (post excerpt limit is 40 words max)
2. Also I would like to have html here to add custom buttons. (post excerpt import pure text without html)
I believe there is a fundamental misuse of the product short description field.
The formatted content that you want to use should either be added to a custom field or the post body.
So what you can do is to create a custom field for the short description and then add your information there. This way you can use the single field block to retrieve the information with all of the formatting that was added.