Good question @muckles! Here is a bit more context…
When creating the front matter for a publication, you can define what the Table of Contents looks like using something like this:
\periph Table of Contents|id="contents"
\mt3 \zvar|toctitle\*
\ztoc|main\*
but for the Hebrew book order, instead of using ‘main’ after the \ztoc you will need to use ‘heb’
\periph Table of Contents|id="contents"
\mt3 \zvar|toctitle\*
\ztoc|heb\*
This is done via the View+Edit tab, within the Front Matter sub-tab. I have noticed that in the large tooltip for that page, it mentions other sort orders for the Table of Contents, but doesn’t yet mention ‘heb’; so that is something that will be updated in an upcoming version: