I wanted to post this from another thread on this forum :
IF you file two PR applications, the one filed later will be placed on hold until a decision is made on the first one or it is withdrawn. This is done to avoid duplicity of work.
Also, filing a new application will not expedite it or guarantee that it will be processed faster. The new public policy is just another pathway for PR.
The post is here :
https://www.canadavisa.com/canada-immigration-discussion-board/threads/thank-you-legalfalcon.408185/page-892
I think those who already have a current CEC application under process and also want to apply under the new pathway may want to check if there is any impact / advantage of a second application.
Even today there was a CEC draw and IRCC wants to help those in Canada to have a pathway to apply for PR. The new pathway I think should be for those that cannot apply under the other options available. I hope IRCC clarifies this and helps everyone make an informed decision.