Girl I've been dating is still using the dating app?

So I'm an expat in a foreign country, and this girl I met on Bumble in late October met with me several times and a month later we agreed to date each other and pursue something romantic, after I said I liked her.

We still considered it 'early days' so we haven't confirmed exclusivity. I've recently returned here after the holidays and she said she wanted to meet. However, at the same time, she is still using Bumble. I know this not because I was on there, but because a close friend here deliberately matched with her and told me about it.

Would this be worth something overlooking, or is it an issue/reflect something about her or the situation? I felt a bit bothered at first, especially after our past conversation about dating and that I was prepared to stop meeting other girls for her, but I am reflecting for now. From our conversations, I think she might have met up with someone while I was away. Does anyone have any similar stories, or how would you react if you were in the same situation?
Girl I've been dating is still using the dating app?
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