She is still with this guy so I dont expect an attempted recycle but it could be possible she tries in the future.
I think that you're split white.
What's the back-story on this guy? It sounds like you have been split for 2 months. How did they get together, did they rush into things?
I think that blocking will help if you're dating. That way she won't see pictures if you upload them and your ex is peeking on Facebook. It may trigger jealousy ( inhibited grieving with a pwBPD ) and she may angrily act out.
It's a good idea to put space between both of you ( blocking ) for a little while if you're detaching and moving on - self protection. Focus on you

Yeah we broke up 2 months ago because I caught her talking to this guy on Skype and they were both saying they loved each other after knowing each other for 3 weeks. When I confronted her, argument and then she said she wanted space to be alone. Instead I knew that meant she would just get with him and she did after 10 days of us LC. That is when she blocked me on FB etc.
Since then she has tried to create drama to talk to me which has worked to some extent. Then I went to Japan last week and checked if I was still blocked which I was not, so I blocked her.
She has since we broke up being trying to get information about me (how I am, what I am doing etc)
I am not dating anyone at the moment but I am talking to a couple of other girls.
Just not sure what is going through my puBPFexgf head. Why she feels the need to stalk me and then pretend she does not care to anyone etc.