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It is likely these patches should be applied to other cores too.

CLA won't be signed, but everyone can consider original parts of my contribution as licensed under Unlicense license.

Thanks for your contribution!

I believe this might be already solved inhttps://github.com/arduino/ArduinoCore-API, which should be the base of this core as well in the future (also seearduino/ArduinoCore-API#140 which makes some additional related changes).

Thanks. Incorporated some changes from there.