My ex recently unblocked me, what does this mean?

Anonymous
It's been about 4 or 5 months since me and my ex broke up he blocked Me from all social media after a week of the breakup he was already talking to someone else but the things is he had been talking to this girl before the breakup I guess she was the one who encouraged him to leave me... So yesterday I was on Facebook and I was clearing out my recent search when I came up on his name so I decided to click on it, since post from his family members do come out if they tag him, but of course his profile didn't come out. And today I was about to search for someone when I realized I didn't take off his search so what do I do I click on it again and he had now unblocked me I know he unblocked me because his profile actually comes out now. The thing is that he dated that girl for a while and had posted a picture of her, I know this because my friend told me and showed me the picture, the picture is now gone I don't know what she did to him because he took the picture of and my guess probably blocked her too because he doesn't have her a friend anymore. The thing is he still has the pictures of me and him together which I guess is a good thing? I don't know I'm still really in love with him, I just want to know what it all this mean as, someone please help!
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Should I message him asking why he unblocked me?
My ex recently unblocked me, what does this mean?
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