"Response to 'Fibers under the magnifying glass'" from the authors of boost.fiber, at

http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2019/p086....

And Response to response to "Fibers under the magnifying glass", at

http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2019/p152...