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IDE 2.3 is out, and you’ll love the new debugging features in it

Arduino TeamFebruary 7th, 2024

We’ve just released Arduino IDE 2.3, and along with the usual list of bug-fixes and improvements, this new version marks the end of the experimental phase for the debug feature – which is now stable and fully incorporated into the IDE!

True to our belief in open standards and interoperability, the debug feature is now based on a standard framework documented in the new specifications and guidelines. As a result, maintainers of Arduino cores can now add debugging for any board and leverage the UI and debugging engine provided by the Arduino IDE. 

What’s more, thanks to this new open framework, we already enabled the debug feature for all the Arduino boards based on the Mbed™ core, which include GIGA R1 WiFi, Portenta H7, Opta, Nano BLE and Nano RP2040 Connect, while the Renesas-based boards (UNO R4, Portenta C33) will follow in the next hours.

We’ve worked on implementing debug in IDE 2 for a long time, in collaboration with the open-source community and, more recently, in close contact with Espressif to make sure that ESP32 devices would be fully supported. So keep an eye on the upcoming release of the Arduino-ESP32 core, which will support the new debug framework! 

Want to be able to debug your favorite board using IDE 2.3?

Get in touch with the platform developer or, even better, help them by submitting a pull request to implement the new specifications.

We look forward to receiving your feedback on the new debugging features in the Arduino forum or, if you’re a developer and want to report a bug, directly in the GitHub repository.

Still curious about those bug-fixes? Arduino IDE 2.3 fixes security issue CVE-2023-4863 (see details in this commit).

Enjoy the new Arduino IDE, and help us make our development environment better than ever! 

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