# Library support for Uno R4?

**URL:** <https://forum.arduino.cc/t/library-support-for-uno-r4/1144929>\
**Category:** UNO R4 WiFi\
**Created:** [July 5, 2023, 2:01pm UTC](https://forum.arduino.cc/t/library-support-for-uno-r4/1144929 "2023-07-05T14:01:37Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![arod0405](https://avatars.discourse-cdn.com/v4/letter/a/ac8455/32.png) [@arod0405](https://forum.arduino.cc/u/arod0405)\
**Post date:** [July 5, 2023, 2:01pm UTC](https://forum.arduino.cc/t/library-support-for-uno-r4/1144929/1 "2023-07-05T14:01:37Z")

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I've been using Arduino boards for ages (duemilanove then Uno R3) and I frequently use libraries in my projects. Given the new Uno R4 comes with a completely different MCU, how is its library support? I expect all official libraries to be working but what about the rest?

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**Author:** ![UKHeliBob](https://dub1.discourse-cdn.com/arduino/user_avatar/forum.arduino.cc/ukhelibob/32/215663_2.png) [@UKHeliBob](https://forum.arduino.cc/u/UKHeliBob)\
**Post date:** [July 5, 2023, 2:03pm UTC](https://forum.arduino.cc/t/library-support-for-uno-r4/1144929/2 "2023-07-05T14:03:22Z")

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