WorkWithPlus for Web 15 Upgrade #3, adds the possibility to include Dynamic Sections in transaction forms or Web Panel based on Bussiness Component forms. 

This means that you will be able to include fields in a transaction or a Web Panel dynamically (at runtime). These fields can be inside a grid, repetitive or simple. And also can have conditions of visibility or validation conditions.

This functionality requires having the Dynamic Forms module activated.

For example: having the following Company transaction:

If you include a Dynamic Section, at runtime it will look like the following image:

The Dynamic Section is configured at runtime, in the menu option 'Dynamic Sections':