How to run Business Rules after applying project template
Release or Environment
Per Product development, the Business Rules don't run while creating projects from templates, as per intended design.
The reason being is if a template is too big, the recalculation Business Rule runs on insert of each task and the system could render for a long time affecting performance.
Create a template with the related information required in desired fields for project tasks.
You can refer to link where development mentioned below:
If this is a feature setting you desire you can create an idea on the Idea Portal
Please create an Idea in our Idea Portal by clicking here You may need to log into the Community site.