App Transport Security blocks HTTPS
问题 I've a problem with ATS. I'm using XCode 9.1, my Development Target is 11.0. I'm developing using react-native 0.49 My program is doing a fetch to a https (https://www.xxxx.com) resource which has a valid (google chrome) letsencrypt certificate. The fetch only works, when NSAllowsArbitraryLoads is set to true, when set to false the fetch is blocked (debug out)? I'm doing some tests using a temporary domain (https://xxxx.no-ip.org). This domain also has a valid letsencrypt certificate. In this