I have the same issue in Xcode 13 beta 5. My problem exists only when I run xcodebuild from the command line. Toolchain and xcode version is set correctly to beta. Are there any updates in Feedback assistant for this bug?

@Edford I think the issue here is that the framework might have 3rd party dependencies (like mine), so the bcsymbolmap files that are produced are more than 2. This way we can't distinguish which are which and for sure there is no automated way to include the right ones in the xcframework. EDIT: I can confirm it worked for me too to include the dsym files by specifying the full path (from ~/...)