v2.0.0-ALPHA.1

TL;DR

• 🆕 Express Checkout (Apple Pay / Google Pay / Link / other) on cart and checkout pages, with wallet-to-cart total sync.
• 🎨 Stripe Appearance API — customize the Payment Element look from the admin (color picker, variables table).
• 🔗 Better Stripe Link recognition — customer email passed to Payment Element, PaymentIntent metadata and receipt_email.
• 💱 Adaptive Pricing — new opt-in flag for the Stripe Checkout gateway.
• 🔁 charge.refunded webhook — refunds made in Stripe Dashboard now sync back to Sylius.
• 🛡️ Restricted API Keys required; legacy sk_ secret keys deprecated, Sylius Stripe App recommended.
• ⚙️ Removed payment_method_types config; reorganized admin gateway form; upgraded stripe/stripe-php to ^20.0.
• 🐛 Fixed Complete/Cancel on Authorized orders, skipped redundant Stripe action dispatch, fixed token_hash propagation for webhook resolution.
• 🛠️ Dev: services moved from YAML to PHP, PHPUnit ^12.5 with attributes, dependency cleanup, refreshed install/upgrade docs.

What's Changed

• Upgrade stripe/stripe-php to ^20.0 by @GSadee in #30
• Introduce Express Checkout functionality on cart page by @GSadee in #34
• Introduce Express Checkout functionality on checkout steps by @GSadee in #41
• Deprecate payment_method_types gateway configuration by @GSadee in #46
• [Metadata] Enrich PaymentIntent with order-level data for Radar rules by @GSadee in #49
• Remove payment_method_types gateway configuration by @GSadee in #47
• [Admin] Align enable express checkout field with info box by @GSadee in #59
• Deprecate sk_ secret key usage in 1.1 and recommend Sylius Stripe App by @GSadee in #63
• Restrict gateway to Restricted API Keys only and update copy for 2.0 by @GSadee in #65
• [Shop] Pass customer email to Web Elements Payment Element for Stripe Link by @GSadee in #69
• [Shop] Pass customer email via PaymentIntent metadata for Stripe Link recognition by @GSadee in #74
• [Admin][Checkout] Add opt-in Adaptive Pricing flag for Stripe Checkout gateway by @GSadee in #72
• [Shop][ExpressCheckout] Sync wallet total with Sylius cart on address and rate changes by @GSadee in #76
• [Admin] Reorganize payment method gateway configuration form by @GSadee in #75
• [Shop][WebElements] Pass customer email as receipt_email on PaymentIntent by @GSadee in #77
• Minor route naming improvements by @GSadee in #78
• [Docs] Update installation guide + split to recipe-based and manual by @GSadee in #79
• [Shop][ExpressCheckout] Override existing billing address with wallet address by @GSadee in #86
• [Admin] Fix Complete/Cancel on Authorized order by expanding latest_charge on PaymentIntent capture/cancel by @GSadee in #87
• [Payment] Skip redundant Stripe action dispatch when state already applied by @GSadee in #89
• Propagate token_hash on PaymentIntent metadata of Checkout Session for webhook resolution by @GSadee in #90
• Fix UPGRADE-2.0 after rebase by @GSadee in #91
• [Docs] Add plugin asset entrypoints section to upgrade 1.1 guide by @GSadee in #92
• [Docs] Clarify assets are optional in upgrade guide by @GSadee in #94
• [Docs] Add plugin asset entrypoints section to upgrade 2.0 guide by @GSadee in #98
• Stripe appearance API by @bartek-sek in #88
• Stripe appearance variables table styling by @PiotrTulacz in #99
• sy-685 Stripe appearance: UI improvements and color picker bug fixes by @PiotrTulacz in #100
• Handle charge.refunded webhook to sync Stripe Dashboard refunds by @GSadee in #101
• README + docs clean up by @GSadee in #103
• Convert services definitions from YAML to PHP by @GSadee in #106
• Bump phpunit/phpunit to ^12.5 and migrate annotations to attributes by @GSadee in #108
• Remove unused mockery/mockery dev dependency by @GSadee in #109
• Sort composer dependencies alphabetically + remove stale branch-alias from composer.json by @GSadee in #110

Full Changelog: v1.0.9...v2.0.0-ALPHA.1