- update to 3.16:
* Multiple test streams started with -P/--parallel will now be
serviced by different threads. This allows iperf3 to take
advantage of multiple CPU cores on modern processors, and will
generally result in significant throughput increases
* OpenSSL 3 is now detected at build time. If OpenSSL 3 is found,
various older, deprecated, APIs will not be used. iperf3 will
continue to work with OpenSSL 1.1.1. OpenSSL is used as a part
of the iperf3 authentication functionality
* The authorized users file used by the authentication
functionality is now checked for accessibility much earlier
during the program startup, as opposed to being checked near
the start of a test (Issue #1583, PR #1585).
* BREAKING CHANGE: iperf3 now requires pthreads and C atomic
variables to compile and run.