Changes since 2.4.1:
- Sandbox prevented ports to set suid permission bit on High Sierra.
(#54963, raimue in d72ad48) - Change compiler and SDK selection rules for Sierra and High Sierra.
(#54504, ryandesign, jeremyhu in 7eccb87, b1b1ea0) - Use copyfile(3) with COPYFILE_CLONE for SIP workaround in trace mode.
(raimue in 3d4c9b3) - Fix memory leak in 'port reclaim'.
(#54156, mojca in c2df3cc)