Is 14.0 BETA ok to use for release build?

I still can’t build my app with Xcode 12 (iOS 14 BETA) using latest build 3618. Looks like the stack trace is exactly the same as with 3617. Is there anything else that I need to do?

Sep 22 06:25:20.504 ERROR: Builder failed: ld: warning: Could not find or use auto-linked framework 'VNGMoatMobileAppKit'
Sep 22 06:25:20.504 ld: warning: Could not find or use auto-linked framework 'StackVASTKit'
                    ld: warning: Could not find or use auto-linked framework 'StackXML'
                    ld: warning: Could not find or use auto-linked framework 'StackUIKit'
                    ld: warning: Could not find or use auto-linked framework 'Protobuf'
                    ld: warning: Could not find or use auto-linked framework 'StackNASTKit'
                    ld: warning: Could not find or use auto-linked framework 'StackMRAIDKit'
                    ld: warning: Could not find or use auto-linked framework 'StackFoundation'
                    ld: warning: Could not find or use auto-linked framework 'StackVideoPlayer'
                    ld: warning: Could not find or use auto-linked framework 'AppodealMediationCoreObjC'
                    ld: warning: Could not find or use auto-linked framework 'StackRichMedia'
                    ld: warning: Could not find or use auto-linked framework 'StackVASTAssets'
                    ld: warning: Could not find or use auto-linked framework 'AppodealAdExchangeSDK'
                    Undefined symbols for architecture arm64:
                      "_swiftoverride_class_getSuperclass(swift::TargetMetadata<swift::InProcess> const*)", referenced from:
                          swift::swift50override_conformsToProtocol(swift::TargetMetadata<swift::InProcess> const*, swift::TargetProtocolDescriptor<swift::InProcess> const*, swift::TargetWitnessTable<swift::InProcess> const* (*)(swift::TargetMetadata<swift::InProcess> const*, swift::TargetProtocolDescriptor<swift::InProcess> const*)) in libswiftCompatibility50.a(ProtocolConformance.cpp.o)
                      "swift::swift51override_conformsToSwiftProtocol(swift::TargetMetadata<swift::InProcess> const*, swift::TargetProtocolDescriptor<swift::InProcess> const*, llvm::StringRef, swift::TargetProtocolConformanceDescriptor<swift::InProcess> const* (*)(swift::TargetMetadata<swift::InProcess> const*, swift::TargetProtocolDescriptor<swift::InProcess> const*, llvm::StringRef))", referenced from:
                          _Swift50Overrides in libswiftCompatibility50.a(Overrides.cpp.o)
                    ld: symbol(s) not found for architecture arm64
                    clang: error: linker command failed with exit code 1 (use -v to see invocation)
Sep 22 06:25:20.504 BUILD ERROR: There was a problem linking the app.
                    
                    Check the console for more information.
Sep 22 06:25:20.504 
Sep 22 06:25:20.610 iOS build failed (2) after 19 seconds
Sep 22 06:25:20.921 ERROR: Build Failed: There was a problem linking the app.
                    
                    Check the console for more information.
Sep 22 06:25:20.922