The European Parliament has formally consented to Canada's participation in the EU's €150-billion Security Action for Europe programme. The agreement is now fully binding, making Canada the only non-European country with preferential access to SAFE procurement.
From what I’ve been reading it seems the UK is in a hurry to get back as well
Why would EU let them back, it costs billions to split and join and if let back, they would likely try and split again when another Right Winger is chronically elected.
Pretty sure it’s best for all parties, and the EU knows that. But the UK does have to leave it at least 10 years so it looks like they knew what they were doing and meant to do it.