spec issue: talk to vendor: is correction included in current PO?
no: add it to the spec milestone for next release, vendor will not fix it with current PO, expected release version remains 1.1.1_impl (due to 1.1.1_spec)
yes: add the issue to 1.1.2_spec, move other issues currently in 1.1.2_spec which are not part of current PO to 1.1.3_spec; expected release version will become 1.1.2_impl (because of 1.1.2_spec); send email informing stakeholders
e.g. version under test is 1.1.1, issue is found: