Meanwhile I have filtered errors like "OPERATION instances must only be created through MAKE-OPERATION." and "function ASDF/INTERFACE::OPERATION-FORCED is undefined." and left only rows where we have error with new ASDF.
Here is the filtered report: https://common-lisp.net/project/cl-test-grid/asdf/asdf-diff-52.html One often error we can notice is "There exists no package with name "CFFI-TOOLCHAIN"