Prerequisites

• I have carried out troubleshooting steps and I believe I have found a bug.
• I have searched for similar bugs in both open and closed issues and cannot find a duplicate.

Describe the bug

Deprecated: Automattic\WooCommerce\StoreApi\Schemas\V1\CheckoutSchema::get_checkout_response(): Implicitly marking parameter $payment_result as nullable is deprecated, the explicit nullable type must be used instead in /Users/th22/test/woogallery-pro/wp-content/plugins/woocommerce/src/StoreApi/Schemas/V1/CheckoutSchema.php on line 228

Deprecated: Automattic\WooCommerce\StoreApi\Schemas\V1\CheckoutSchema::get_checkout_response(): Implicitly marking parameter $cart as nullable is deprecated, the explicit nullable type must be used instead in /Users/th22/test/woogallery-pro/wp-content/plugins/woocommerce/src/StoreApi/Schemas/V1/CheckoutSchema.php on line 228

Deprecated: Automattic\WooCommerce\Admin\PluginsHelper::install_plugins(): Implicitly marking parameter $source as nullable is deprecated, the explicit nullable type must be used instead in /Users/th22/test/woogallery-pro/wp-content/plugins/woocommerce/src/Admin/PluginsHelper.php on line 231

Deprecated: Automattic\WooCommerce\Admin\PluginsHelper::install_and_activate_plugins_async_callback(): Implicitly marking parameter $source as nullable is deprecated, the explicit nullable type must be used instead in /Users/th22/test/woogallery-pro/wp-content/plugins/woocommerce/src/Admin/PluginsHelper.php on line 412

Expected behavior

Should not exist.

Actual behavior

Screenshots:

1. Guided Setup: https://prnt.sc/K7lQa7ieCEuA
2. Dashboard: https://prnt.sc/fTekFX9dcqBY
3. Frontend: https://prnt.sc/VRE09GbsyoAU

Steps to reproduce

1. Install WooCommerce
2. Activate WooCommerce
3. Go to Guided Setup

WordPress Environment

WooCommerce v9.8.1
WordPress v6.8-RC3
PHP v8.4.4

Isolating the problem

• I have deactivated other plugins and confirmed this bug occurs when only WooCommerce plugin is active.
• This bug happens with a default WordPress theme active, or Storefront.
• I can reproduce this bug consistently using the steps above.