With the sbcl/windows regression on uiop:run-program fixed (1), and the lib-op and monolithic-lib-op features reasonably implemented on all implementations beyond ECL & co (though requiring a CFFI patch), I believe we're all set for ASDF 3.1.6.
Anton, do you have time to make a test run of cl-test-grid?
If some of you believe the C linking features should (or shouldn't) be included in this release (or the next one), now is the time to voice your opinion. It's 300 to 400 more lines of code — or 800 if we splurge and merge in most of lisp-invocation as we go instead of special-casing it.
(1) A real fix requires fixing SBCL. https://bugs.launchpad.net/asdf/+bug/1501373
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