(Appium 3-Beta) Setup Guide — Installation, Beta Drivers & Key Breaking Changes You Should Know

Get a step-by-step walkthrough in the video below!

Appium 3 Beta Is Ready to Try

Appium 3 beta is now available via NPM along with two main drivers: xcuitest and uiautomator2

Uninstall Appium 2.x

If you have Appium 2 already installed then it would be a good idea to delete it first to avoid possible conflicts:

Step-By-Step details to Uninstall Appium

Step-1: Uninstall Appium (CLI version via npm)

npm uninstall -g appium

Step-2: Clear npm Cache (Optional Cleanup) — Sometimes old Appium packages remain in the npm cache. You can clean them

Step-3: Check & Clean Leftover Files — Appium config/cache &
Delete folders (if they exist)

Step-4: Verify the appium

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Use the following commands to install new betas:

Install Appium 3 beta:

npm install -g appium@beta

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Install ‘XCUITest’ beta driver:

appium driver install xcuitest@beta

Install UiAutomator2 beta driver:

appium driver install uiautomator2@beta

Note: Other drivers have not been checked/updated for compatibility yet.

Overview Appium 3 Beta Breaking Changes :

1. Upgrade: While Appium 2 was a major overhaul of the entire Appium architecture, Appium 3 is a smaller upgrade with fewer breaking changes, which should result in a much simpler migration process.
2. Node 20+ Required — Appium 3 drops support for outdated Node versions, and bumps the minimum required version to Node 20.19.0, as well as the minimum npm version to 10.

3. Appium 3 removes many previously deprecated server endpoints.

4. Feature Flag Prefix Required

Example:

appium — allow-insecure=adb_shell

On Appium 3, to ensure this feature is only activated for UiAutomator2, you can run it like so:

appium — allow-insecure=uiautomator2:adb_shell

Alternatively, if you wish to keep the Appium 2 behavior and enable the feature for _all_

drivers that support it, you can use the wildcard (`*`) prefix:

appium — allow-insecure=*:adb_shell

5. Session Discovery Requires Feature Flag

Appium 3 makes two changes to the session discovery process:

· The GET /sessions endpoint is replaced with GET /appium/sessions (see the Removed Endpoints section)

· The use of the new endpoint requires the session_discovery feature flag

GitHub Link:

GitHub - AppiumGuide/AppiumGuide

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