I believe the TC should have standing rules on what the maintainers can do on their own recognizance and what takes approval (even it it's only by lazy consensus) from the TC.
I think contributions can go in a 'contribution' area wo any approval but that changes to the 'agreed text' of any work product would require TC approval via lazy consensus (email to inform TC of PR, and passes if one second and no objections within a week - ie. Doesn' require majority to vote yes, just nobody to vote no).
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Duncan Sparrell
sFractal Consulting, LLC