Devices / Makers & open firmware / Arduino Development environment

Arduino Development environment releases

Name: Arduino Development environment
Author: Arduino

current

Arduino Development environment is tracked under makers & open firmware. Its latest version, 2.3.10, shipped on Jun 9, 2026.

Latest version: 2.3.10
Released: Jun 9, 2026
Category: Makers & open firmware
Last checked: Nov 6, 2026

How to update Arduino Development environment

Open update page ↗

Open the Arduino IDE, then Tools, then Board, then Boards Manager and update the core for your board.
For the UNO R4's connectivity firmware, use the Firmware Updater under Tools.
Keep the board connected by USB throughout.

Always install releases from the project itself. Firmwarely links out; it never hosts downloads.

What changed

Changed: Bump Arduino CLI to 1.5.1 (#2920) Add clean compile/verify (with shift+click on the verify button) (#2923) Fixed: In some cases, sketch code is not recompiled (cached) after being modified. Startup error due to missing CLI directory defaults (#2922)

Release notes ↗

Version history

2.3.10

Jun 9, 2026

FAQ

What is the latest version of Arduino Development environment?

Version 2.3.10, released Jun 9, 2026. This page is refreshed every hour from the project's release page.

How do I update Arduino Development environment?

See the step-by-step above. Pull the new image or package and restart the service. Read the release notes and back up the data directory first; most projects can't downgrade once the database has migrated.

How does Firmwarely know when there's a new version?

Every hour we read the project's official release page for Arduino Development environment and record the version, date and changelog. Subscribers watching it get an email when it changes: the next morning on Pro, in the Monday roundup on the free plan.

Is this an official Arduino page?

No. Firmwarely is independent. Project and product names belong to their owners; always install releases from the project's own source.