message: 1.2.16.0 changelog
diff: -1.2.?.?
  +1.2.16.0
  * Expose settings_pack.validate_https_trackers with SettingsPack::validateHttpsTrackers methods
  + * upgrade to boost 1.79
  + * openssl 1.1.1n upgrade
  + * fix bdecode support for large strings (>= 100 MB)
  + * send User-Agent field in anonymous mode
  + * fix python binding for settings_pack conversion
  + * fix DHT announce timer issue
  + * use DSCP_TRAFFIC_TYPE socket option on windows
  + * update default ToS setting according to RFC 8622
  + * keep trying to announce to trackers even when all fail
  + * don't disable announcing from local endpoints because of temporary failures
  + * fix issue in parsing UPnP XML response with multiple forwarding services
  1.2.15.2
  * less verbose error messages when loading the library
  