Hardware accelerated Android virtualization on Actions Linux larger hosted runners

Starting on February 23, 2023, Actions users of GitHub-hosted larger Linux runners will be able to make use of hardware acceleration for Android testing. Testing on a 4-core machine with hardware acceleration is around 2-3 times faster than not using hardware acceleration and around 2 times faster than using MacOS.

To make use of this on Linux, Actions users will need to add the runner user to the KVM user group

      - name: Enable KVM group perms
        run: |
            echo 'KERNEL=="kvm", GROUP="kvm", MODE="0666", OPTIONS+="static_node=kvm"' | sudo tee /etc/udev/rules.d/99-kvm4all.rules
            sudo udevadm control --reload-rules
            sudo udevadm trigger --name-match=kvm

(Thank you gsauthof for the feedback on this!)

You will then be able to make use of hardware acceleration when making use of Android emulator actions such as reactivecircus/android-emulator-runner.

Preferred 2FA methods and settings improvements

The Primary field on two-factor authentication methods has been removed, and replaced with a Preferred option. This new option sets your preferred 2FA method for account login and use of the sudo prompt. You can choose between TOTP, SMS, security keys, or GitHub Mobile as your preferred 2FA method.

Additionally, you can now update your 2FA methods inline at https://github.com/settings/security, rather than going through the initial 2FA setup flow again.

image

With this change, device-specific preferences for 2FA have been removed – each login will always default to your preferred method. If you previously set a default on one of your devices, your most recent choice has been copied to your account-wide preference. Otherwise, no preference will be set, and GitHub will select from your available second factors in this order: security keys, GitHub Mobile, TOTP, and then SMS.

To learn more, see "Changing your preferred two-factor authentication method" and "Configuring two-factor authentication".

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