Suggested by Frédéric Vercaemst – Under Review
In RTC we had both of the options below on factboxes, whereas in webclient this seems no longer available, which is a step backward.
- Collapsing of factboxes (seems not yet supported in BCoP)
- Promoted actions that appear on factboxes (they are no longer promoted and are one click further away in BCoP)
https://www.yammer.com/dynamicsnavdev/#/threads/show?threadId=1174614754
Status Details
Thank you for your
feedback. We need some more details to understand your suggestion better. Can
you please help us by answering why would that be valuable?
Best regards,
The Business Central team

Even more detail:
”Creating a FastTab is easy. A FastTab is a group control directly within the content area of a card, document, or task page.”
In the Content area of the hosting page, parts can only be collapsed if they satisfy the following rules:
parts are hosted on a task dialog, card, or document page.
parts aren't placed within a FastTab.”
(1) This means that they have to be their own group and cannot be part of another group
"When placing two ListParts in a group, they share horizontal space."
(2) This is the only way to have parts side by side
(1) + (2) = It’s impossible to have them side by side and also be collapsable/expandable.
As for the actions issue:
In the Content area of the hosting page, parts will only display an expanded action menu if they satisfy the following rules:
parts are hosted on a card or document page.
parts aren't placed within a FastTab.”
Meaning again, that it's impossible to have them side by side and also have promoted actions.
Lost access to my previous account. I wanted to know if there is any update on this.
Problem: If parts are side by side -> it's impossible for them to be collapsable and it's impossible to have promoted actions