Page Heading is a feature that gives better SEO control over the products. This will allow you to display product title/heading in several ways.

Normally the product's title will be displayed as H2, however now you can control product-wise how the title will be displayed and overrode.

The possibilities are:

1. Product title as H2 only
2. Product title as H1 only
3. Custom Page Heading as H1 and regular product title as H2

Starting from version 3.5.4 in product's parameters you'll find:

New parameter in product settings -> Parameters tab called Page Heading Override - this is where you put your custom heading

New parameter in product settings -> Publishing tab called Page Heading

• Use Global - takes the setting from the global settings
• Show - overrides menu settings and forces the Page Heading to be displayed
• Inherit - takes the setting from the Menu item settings
• Hide - hides the Page Heading

First scenario is set by default and displays product title as H2

Second scenario is when you want to display the product's title as H1

• in product settings -> Publishing tab leave Page heading parameter empty
• in product settings -> Parameters tab set Page heading override to "Show"
• save settings

Now the product title is H1:

Third scenario is when you want to display regular H2 title of the product and display another page heading as H1

In this case:

• in product settings -> Publishing tab in Page Heading parameter enter name of the heading you want to be displayed (in my case it'll be "TestHeading")
• in product settings -> Parameters tab set Page heading override to "Show"
• save settings

Now you have regular title as H2 and new/extra heading as H1: