🍏 Arduino 2.0.4 - Open-source IDE for Arduino.

The open-source Arduino environment makes it easy to write code and upload it to the I/O board. It runs on Windows, OS X, and Linux. The environment is written in Java and based on Processing, avr-gcc, and other open-source software.

Note: While the software is classified as free, it is actually donationware. Please consider making a donation to help support development.

Added:

• Enable rename and delete of Cloud sketches
• Add activity bar icon for Arduino Cloud login
• Add support for macOS notarization during local builds

Changed:

• Show custom board option settings in Tools menu
• Use a local npm registry for app packaging
• Always show File > Sketchbook menu item
• Always show Tools > Port menu item
• Use more efficient method to get Arduino CLI version
• Remove encoding from status bar
• Allow addition of existing code files to sketch
• Communicate cause of debugger not starting with uncompiled sketch
• Add leading+trailing line break to "Copy for Forum" content
• Improve contrast of cursor color in "Dark (Arduino)" theme
• Improve contrast of "Output" view stderr text in "Light (Arduino)" theme
• Bump Arduino CLI to 0.31.0
• Use hardwareId for board auto-selection
• Update translations

Fixed:

• Fix File > Preferences disabled if dialog used soon after IDE startup
• Prevent opening of multiple "Preferences" dialog instances
• Fix support for user-installed theme extensions
• Always set "Updatable" filter when Boards Manager/Library Manager opened from update offer dialog
• Fix corruption of multi-byte UTF-8 symbols in Serial Monitor
• Fix Sketch > Upload/Upload Using Programmer menu items remaining disabled after completion of upload
• Fix proxy protocol incorrectly shown as "SOCKS" in "Preferences" dialog
• Fix support for SOCKS5 proxy protocol
• Fix IDE startup hang if sketchbook folder location not accessible
• Update affected UI elements after "Sketchbook location" preference change
• Update affected UI elements after "Add .ZIP Library..." operation
• Restart language server after change to platform or library
• Support IDE installation paths that contain #
• Pass custom board option settings to language server
• Make File > Sketchbook menu reflect sketchbook folder structure
• Populate "Board Info" dialog from port data
• Use established sort order in Boards Manager and Library Manager listings
• Prevent creation of sketches with non-compliant names
• Correct handling of primary sketch tab deletion
• Fix missing toolbar context menu items when editor doesn't have focus
• Fix unexpected sketch deletion when location inside sketch folder selected as rename target