id summary reporter owner description type status milestone component version severity resolution keywords cc 13182 Boost.Fiber ignores lambda captures Sergey Babin olli "In version 1.65, the following code doesn't work: boost::fibers::fiber([p=std::make_shared(""Hi"")]{ assert(p); }).detach(); This probably because when you call std::apply(std::move(fn_), std::move( arg_)) in function ""worker_context::run_"", should have used ""fn"" and ""arg"" instead of ""fn_"" and ""arg_"". Please look at ""boost\fiber\context.hpp"" line 428 " Bugs new Boost 1.65.0 context Boost 1.65.0 Problem Fiber