ArduinoJson 6.11.4 * Added `measureJson()` to the `ArduinoJson` namespace (PR #1069 by @nomis) * Added support for `basic_string<char, traits, allocator>` (issue #1045) * Fixed example `JsonConfigFile.ino` for ESP8266 * Include `Arduino.h` if `ARDUINO` is defined (PR #1071 by @nomis)