Folgendermaßen funktioniert es:
<?
xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<%VersionInfoPListKeys%>
<%ExtraInfoPListKeys%>
<key>NSAppTransportSecurity</key>
<dict>
<key>NSAllowsArbitraryLoads</key>
<true/>
<key>NSExceptionDomains</key>
<dict>
<key>openstreetmap.org</key>
<dict>
<key>NSIncludesSubdomains</key>
<true/>
<key>NSExceptionAllowsInsecureHTTPLoads</key>
<false/>
<key>NSExceptionRequiresForwardSecrecy</key>
<true/>
<key>NSExceptionMinimumTLSVersion</key>
<string>TLSv1.2</string>
<key>NSThirdPartyExceptionAllowsInsecureHTTPLoad s</key>
<true/>
<key>NSThirdPartyExceptionRequiresForwardSecrecy </key>
<true/>
<key>NSThirdPartyExceptionMinimumTLSVersion</key>
<string>TLSv1.2</string>
<key>NSRequiresCertificateTransparency</key>
<false/>
</dict>
</dict>
</dict>
</dict>
</plist>