I joined the beta on xbox insoder and i left it yesterday i uninstalled and reinstalled it but i still cant join my friends and everyone i know that left the beta has the same issue

Thank you for your report!
However, this issue is Invalid.

This is a technical support issue; this site is for bug reports only. We do not have the resources to provide you with technical support.
Please contact the community support, linked below.

Quick Links:
📓 Issue Guidelines – 💬 Community Support – 📧 Customer Support – 📖 Game Wiki