Thank you for watching, voting, and commenting on this issue. We use this data as well as many other inputs to feed into our prioritisation process.
Given this suggestion is quite high voted we wanted to add an update. It isn't something we are currently working on it although it is something that we might introduce in the longer term. We want to share this with you to ensure you can plan out your use of projects within Jira Software effectively.
Please continue to vote and in particular please continue to add comments on how your teams could find value with more granular permissions. This contextual information of what you are doing and why you are doing is invaluable for us in providing you with a product that will grow with your needs.