ARC 2025.06.12.00 (Pro, Runtime And Free)

A fresh new Synthiam ARC update has arrived, introducing a combination of polish, performance, and productivity enhancements. Let’s dig into what’s new in this release.

Python Gets More Pythonic

Class method names in Python now start with a lowercase letter to match the Python style guide and ARC’s documentation. This means that all method names following the period (.) of a class name are now lowercase. It’s cleaner, more consistent, and exactly how it should be. Existing Python scripts will need to be updated to reflect the changes. While we apologize for the breaking change, it's essential to maintain a standard within the Python community.

For example, the command...

COM.IsPortOpen()

is now

COM.isPortOpen()

*Note: Notice how the first letter of the method name (after the period) is now lowercase. This applies to all ARC related methods and is reflected in the Intellisense popup when editing Python code.

Auto Position Action Editor Improvements

We’ve made several tweaks to the Auto Position robot skill action editor to give you more clarity and control:

• The word "Execute" has been replaced with "Test" for better clarity on what the button does. This is on the Actions tab of the editor to test actions as you create them.
• When you test an action, the currently running frame is now highlighted in the frame list, making it easier to follow along.
• A speed value field has been added to actions, allowing you to fine-tune how quickly your robot transitions between frames.

Full-Screen Auto Position Editor

The Auto Position configuration window now expands to use the entire screen. servo handles scale correctly in the frame editor, providing a significantly improved visual experience and more space to work with.

Auto Position Frame Display Accuracy Fix

A fix has been applied to ensure the correct frame is always displayed when testing an action. What you see is now precisely what your robot is doing.

Smarter ARC Project Merge Workflow

When using ARC File -> Merge, the intro controls window will now automatically close. This keeps the interface clean and reduces unnecessary steps, especially when working with multiple projects.

EZB Networking Timeout Tweaks

We’ve reduced the default timeout delay from 5 seconds to 2 seconds to expedite the process. This timeout now applies to both the network stream and the TCP client, giving you faster feedback and improved EZB responsiveness when working with networked devices.

That wraps up this release. Update ARC to take advantage of the new features and improvements, and, as always, continue to push the boundaries of what your robots can do.