[rust] Fix Windows arm64 logic for Selenium Manager and prepare CI for running the test suite

[dennisameling]

User description

🔗 Related Issues

#15801

💥 What does this PR do?

This PR fixes two issues that were preventing the Rust test suite to fully pass on Windows on ARM. While running the tests locally on an arm64 machine, I ran into these errors:

    {
      \"level\": \"ERROR\",
      \"timestamp\": 1752338536,
      \"message\": \"Unsuccessful response (404 Not Found) for URL https://ftp.mozilla.org/pub/firefox/releases/128.12.0esr/win-aarch64/en-US/Firefox%20Setup%20128.12.0esr.exe\"
    }

and

thread 'electron_version_test::case_1' panicked at /rustc/6b00bc3880198600130e1cf62b8f8a93494488cc\library\core\src\ops\function.rs:250:5:
Unexpected failure.
code=65
stderr=```""```
command=`"C:\\repos\\selenium\\rust\\target\\debug\\selenium-manager.exe" "--browser" "electron" "--driver-version" "36.2.1"`
code=65
stdout="[2025-07-12T16:48:12.883Z ERROR] Unsuccessful response (404 Not Found) for URL https://github.com/electron/electron/releases/download/v36.2.1/chromedriver-v36.2.1-win32-arm64-x64.zip\n"
stderr=""

It turned out that the arch names for Windows arm64 were incorrect in the Rust code. Confirmed that these are valid URLs:

https://ftp.mozilla.org/pub/firefox/releases/128.12.0esr/win64-aarch64/en-US/Firefox%20Setup%20128.12.0esr.exe
https://github.com/electron/electron/releases/download/v36.2.1/chromedriver-v36.2.1-win32-arm64.zip

I want to emphasize that Windows ARM64 can run x64 binaries under emulation. So even though e.g. Chrome doesn't have a native Chromedriver yet, Windows ARM64 can run the x64 version under emulation.

This means that the following browsers/drivers will work on Windows ARM64:

Browser	Architecture	Test status
Chrome + Chromedriver	x64 (emulated)	✅ (runs under emulation)
Firefox + Geckodriver	arm64	✅ runs natively
Edge + EdgeDriver	arm64	✅ runs natively
Electron driver	arm64	✅ runs natively

I can confirm that the Rust test suite is passing locally on my Windows arm64 machine.

🔧 Implementation Notes

💡 Additional Considerations

• After merging this PR, additional work has to be done to actually release the Windows arm64 binary for Selenium Manager, and include it in the main Selenium packages somehow.
• The docs at https://www.selenium.dev/documentation/selenium_manager/#alternative-architectures will need to be updated if the team is open to merging this PR. I'm happy to open a separate PR for that if desired.

🔄 Types of changes

• Bug fix (backwards compatible)
• New feature (non-breaking change which adds functionality and tests!)

---

PR Type

Bug fix

---

Description

• Fix Windows ARM64 platform labels in Selenium Manager

• Correct Firefox ARM64 URL path from win-aarch64 to win64-aarch64

• Fix Electron ARM64 platform label from win32-arm64-x64 to win32-arm64

• Add Windows ARM64 CI testing support

---

Changes diagram

flowchart LR
  A["Windows ARM64 Detection"] --> B["Firefox Platform Label"]
  A --> C["Electron Platform Label"]
  B --> D["win64-aarch64 URL"]
  C --> E["win32-arm64 URL"]
  F["CI Configuration"] --> G["Windows ARM64 Testing"]

Loading

---

Changes walkthrough 📝

	Relevant files
Bug fix	electron.rs Correct Electron ARM64 platform label                                        rust/src/electron.rs Fix Windows ARM64 platform label from win32-arm64-x64 to win32-arm64 +1/-1      firefox.rs Correct Firefox ARM64 platform label                                          rust/src/firefox.rs Fix Windows ARM64 platform label from win-aarch64 to win64-aarch64 +1/-1
Enhancement	ci-rust.yml Enable Windows ARM64 CI testing                                                    .github/workflows/ci-rust.yml Add windows-11-arm to CI test matrix +1/-0

---

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PR Reviewer Guide 🔍

Here are some key observations to aid the review process:

🎫 Ticket compliance analysis 🔶 15801 - Partially compliant Compliant requirements: • Enable CI builds for Windows ARM64 • Add official support for Windows ARM64 (WoA) platform Non-compliant requirements: • Distribute native Selenium binaries for Windows ARM64 Requires further human verification: • Verify that CI builds actually produce and distribute native binaries for Windows ARM64 • Confirm that the platform label fixes resolve the 404 errors mentioned in PR description

⏱️ Estimated effort to review: 2 🔵🔵⚪⚪⚪

🧪 PR contains tests

🔒 No security concerns identified

⚡ Recommended focus areas for review Platform Label Verify that the corrected platform label 'win32-arm64' matches the actual URL structure used by Electron releases for Windows ARM64 downloads "win32-arm64" } else { Platform Label Verify that the corrected platform label 'win64-aarch64' matches the actual URL structure used by Firefox releases for Windows ARM64 downloads platform_label = "win64-aarch64"; } else {

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[dennisameling]

This requires actions/partner-runner-images#77 to be merged first, which apparently is currently going through a last round of tests and should be published soon 🚀

Alternatively, for the time being, we could use actions-rust-lang/setup-rust-toolchain as suggested here.