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The Arduino IDE update check uses a "channel update info file" on Arduino's download server. This file specifies the latest version of Arduino IDE available from the Arduino download server as well as the download URLs for the release archives. There is a separate channel file for each host operating system: - Windows - Linux - macOS Two macOS host architectures are now supported: - x86 (AKA "Intel") - ARM64 (AKA "Apple Silicon") These each have their own release archive files. The macOS channel file contains data on both. So the updater must be able to identify the appropriate archive to use for the update based on the host architecture. This is based on the archive filename. Arduino IDE's auto-update feature is built on the electron-updater package. The release archive selection is handled by the electron-updater codebase and the filename pattern is hardcoded there. It selects the archive file that contains `arm64` in its name (case sensitive), if present, to use for updates on macOS hosts with ARM64 architecture. Previously, the build system produced archive files with the name format arduino-ide_<version>_macOS_ARM64.zip, consistent with the established naming in other Arduino tooling projects. Unfortunately this naming would cause either (depending on the order of the entries in the channel file) the x86 build to be used to update ARM64 macOS hosts (resulting in lesser performance due to Rosetta 2 overhead) or the ARM64 build to be used to update x86 hosts (resulting in the IDE failing to start). So it is necessary to change the build artifact name to follow the format dictated by the electron-updater package. Although it is not required (because electron-updater uses separate channel files for the x86 and ARM hosts), the Linux archive filename format was also changed for the sake of consistency.
Arduino IDE 2.x
This repository contains the source code of the Arduino IDE 2.x. If you're looking for the old IDE, go to the repository of the 1.x version at https://github.com/arduino/Arduino.
The Arduino IDE 2.x is a major rewrite, sharing no code with the IDE 1.x. It is based on the Theia IDE framework and built with Electron. The backend operations such as compilation and uploading are offloaded to an arduino-cli instance running in daemon mode. This new IDE was developed with the goal of preserving the same interface and user experience of the previous major version in order to provide a frictionless upgrade.
Download
You can download the latest release version and nightly builds from the software download page on the Arduino website.
Support
If you need assistance, see the Help Center and browse the forum.
Bugs & Issues
If you want to report an issue, you can submit it to the issue tracker of this repository.
See the issue report guide for instructions.
Security
If you think you found a vulnerability or other security-related bug in this project, please read our security policy and report the bug to our Security Team 🛡️ Thank you!
e-mail contact: security@arduino.cc
Contributions and development
Contributions are very welcome! There are several ways to participate in this project, including:
- Fixing bugs
- Beta testing
- Translation
See the contributor guide for more information.
See the development guide for a technical overview of the application and instructions for building the code.
Donations
This open source code was written by the Arduino team and is maintained on a daily basis with the help of the community. We invest a considerable amount of time in development, testing and optimization. Please consider donating or sponsoring to support our work, as well as buying original Arduino boards which is the best way to make sure our effort can continue in the long term.
License
The code contained in this repository and the executable distributions are licensed under the terms of the GNU AGPLv3. The executable distributions contain third-party code licensed under other compatible licenses such as GPLv2, MIT and BSD-3. If you have questions about licensing please contact us at license@arduino.cc.