After upgrading my Sydney 10.4.1 to 10.4.2, I did some comparison compile time differences and the new version made some pretty significant improvements. I really recommend moving to 10.4.2.

After upgrading my Sydney 10.4.1 to 10.4.2, I did some comparison compile time differences and the new version made some pretty significant improvements. I really recommend moving to 10.4.2.