I have created a Block element that I am using for a sidebar on my posts.
When I highlight the entire block, go to Typography and select “Show Advanced Typography”, I can’t seem to change the Font Size on one of the options (Desktop/Tablet/Mobile) without it flowing across to all of them – despite it being a visible option on each of the formats.
This may be a bug. We’ll do further tests to confirm.
Meanwhile, perhaps you may be better served if use the Headline Block for your texts (note: you can use paragraph on Headline blocks) and then apply the responsive typography settings on there rather than its containers. Take this as a work-around while we try to get things sorted.
A wise man once said:
"Have you cleared your cache?"