v4.6.3

Solidus Core

• [v4.6] Fix return item initialization in backend by @solidus-bot[bot] in #6415
• [v4.6] Add tax_category_id method to Spree::Product by @solidus-bot[bot] in #6427
• Fix order walkthrough for iso uniqueness by @AlistairNorman in #6474
• [v4.6] Address Licensing Issues by @solidus-bot[bot] in #6573
• [v4.6] Disallow setting payment amounts through the orders and payments APIs by @jarednorman in #6595
• [v4.6] Deny anonymous access to guest credit cards by @jarednorman in #6594

Solidus Admin

• [v4.6] Address Licensing Issues by @solidus-bot[bot] in #6573

Solidus Backend

• [v4.6] Fix return item initialization in backend by @solidus-bot[bot] in #6415
• [v4.6] Address Licensing Issues by @solidus-bot[bot] in #6573
• [v4.6] Disallow setting payment amounts through the orders and payments APIs by @jarednorman in #6595

Solidus API

• [v4.6] Disallow setting payment amounts through the orders and payments APIs by @jarednorman in #6595
• [v4.6] Deny anonymous access to guest credit cards by @jarednorman in #6594

Solidus Promotions

• [v4.6] Promotions: Fix default calculator fields partial bug and make PercentWithCap calculator available in the UI by @mamhoff in #6394
• [v4.6] Fix line item option condition params by @mamhoff in #6396

Full Changelog: v4.6.2...v4.6.3