{"id":831844,"date":"2025-07-01T13:18:10","date_gmt":"2025-07-01T13:18:10","guid":{"rendered":"https:\/\/www.knowband.com\/blog\/?p=831844\/"},"modified":"2025-07-01T13:22:25","modified_gmt":"2025-07-01T13:22:25","slug":"prestashop-9-vs-8-migration-guide","status":"publish","type":"post","link":"https:\/\/www.knowband.com\/blog\/ecommerce-blog\/prestashop-9-vs-8-migration-guide\/","title":{"rendered":"Should You Move from PrestaShop 8.1 to 9.0? A Complete Feature Comparison"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">With the release of PrestaShop 9.0, the platform is moving toward a more modern, performance-oriented, and developer-friendly future. However, as with any major update, merchants and developers are left with an important question: <\/span><b>Is now the right time to migrate from PrestaShop 8.1?<\/b><\/p>\n<p><span style=\"font-weight: 400;\">In this blog, we\u2019ll explore the key differences between PrestaShop 8.1 and 9.0. From performance upgrades to developer tools, we\u2019ll cover everything you need to know to make an informed decision about your store\u2019s future.<\/span><\/p>\n<h3><b>Symfony Framework Upgrade: From 4.4 to 6.4<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">To begin with, one of the most significant changes in PrestaShop 9.0 is the upgrade of the Symfony framework from version 4.4 to Symfony 6.4, the latest long-term support (LTS) release. This transition ensures better stability, security, and access to modern development tools.<\/span><\/p>\n<p>Symfony 6.4 will be maintained with bug fixes through November 2026 and security patches until November 2027, ensuring long-term stability for evolving projects. By comparison, Symfony 4.4\u2014used in PrestaShop 8.1\u2014has already reached the end of its support life. Therefore, PrestaShop 9.0 becomes the smarter choice for long-term projects.<\/p>\n<h3><b>PHP Compatibility and Performance Enhancements<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">In addition, PrestaShop 9.0 introduces support for PHP 8.1, 8.2, and 8.3. This allows merchants to benefit from improved performance, better memory handling, and modern PHP features.<\/span><\/p>\n<p>Unlike PrestaShop 8.1, which stopped at PHP 8.1, the new version embraces the latest PHP releases, representing a major step forward. As a result, PrestaShop 9.0 is better aligned with modern PHP standards and development practices. However, keep in mind that older hosting environments and custom code may require updates to ensure compatibility.<\/p>\n<h3><b>Modern API Platform for Headless Commerce<\/b><\/h3>\n<p>Furthermore, PrestaShop 9.0 brings a brand-new API system based on API Platform v3, dramatically improving how it interacts with external applications.<\/p>\n<p>This makes it ideal for headless commerce architectures, mobile app integrations, and third-party services. In contrast, PrestaShop 8.1 relied on a legacy API, which lacked the flexibility and scalability modern developers expect. As a result, the new API system opens up a world of opportunities for automation and integration.<\/p>\n<p>PrestaShop 9 debuts a completely reimagined Admin API, built using API Platform\u2014a cutting-edge PHP framework known for its flexibility and power. This innovation marks a significant leap toward creating a more open, extensible, and developer-focused PrestaShop environment.<\/p>\n<p><strong>Here\u2019s what the new Admin API offers:<\/strong><\/p>\n<p><a href=\"https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2025\/07\/Heres-what-the-new-Admin-API-offers.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-831845\" src=\"https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2025\/07\/Heres-what-the-new-Admin-API-offers.jpg\" alt=\"Key features of PrestaShop 9.0 Admin API including integration, automation, RESTful structure, and modular design\" width=\"760\" height=\"760\" srcset=\"https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2025\/07\/Heres-what-the-new-Admin-API-offers.jpg 760w, https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2025\/07\/Heres-what-the-new-Admin-API-offers-300x300.jpg 300w, https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2025\/07\/Heres-what-the-new-Admin-API-offers-150x150.jpg 150w, https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2025\/07\/Heres-what-the-new-Admin-API-offers-60x60.jpg 60w\" sizes=\"auto, (max-width: 760px) 100vw, 760px\" \/><\/a><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\">Simplified integration with external platforms such as ERPs, CRMs, and marketing tools.<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\">Automation-ready architecture that helps reduce manual store management and boosts operational efficiency.<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\">RESTful structure with JSON formatting, ensuring ease of use for developers accustomed to modern API standards.<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\">Future-ready modularity, allowing the system to grow and adapt with community and business demands.<\/li>\n<\/ul>\n<p><i><span style=\"font-weight: 400;\">It\u2019s worth noting that the Admin API is still evolving.<\/span><\/i><span style=\"font-weight: 400;\"> While the core framework is already in place, additional features and endpoints are being actively developed.<\/span><\/p>\n<h3><b>Key Hook Updates in PrestaShop 9<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">\u00a0PrestaShop 9 retains most of the widely used hooks from version 8 to ensure module and theme compatibility. Common front-office hooks like <\/span><span style=\"font-weight: 400;\">displayHeader<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">displayFooter<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">displayHome<\/span><span style=\"font-weight: 400;\">, and <\/span><span style=\"font-weight: 400;\">displayProductButtons<\/span><span style=\"font-weight: 400;\"> remain supported. In the back office, important hooks such as <\/span><span style=\"font-weight: 400;\">displayBackOfficeHeader<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">displayAdminOrderMain<\/span><span style=\"font-weight: 400;\">, and <\/span><span style=\"font-weight: 400;\">displayAdminProductsExtra<\/span><span style=\"font-weight: 400;\"> are still available for extending core functionality.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Alongside these, PrestaShop 9 introduces modern Symfony-based hooks like <\/span><span style=\"font-weight: 400;\">actionSymfonyResponse<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">actionAfterCartSave<\/span><span style=\"font-weight: 400;\">, and <\/span><span style=\"font-weight: 400;\">actionProductFormBuilderModifier<\/span><span style=\"font-weight: 400;\">. These offer a cleaner, event-driven approach to customisation and are part of the platform\u2019s move toward a more modular, scalable structure.<\/span><\/p>\n<h3><b>Redesigned Back Office Using Symfony and Twig<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Another significant improvement is the full revamp of the back office, now built with Symfony and Twig for a more modern and maintainable structure. This results in a more intuitive, mobile-friendly, and user-centred admin experience.<\/span><\/p>\n<p>For store owners, the redesigned layout means easier navigation and improved productivity. For developers, the shift supports cleaner templating and reduces legacy code dependencies. On the other hand, PrestaShop 8.1 retains a more traditional interface, which may now feel outdated in comparison.<\/p>\n<p><b>Developer-Focused Improvements<\/b><\/p>\n<p><span style=\"font-weight: 400;\">Additionally, PrestaShop 9.0 has replaced several outdated libraries used in previous versions. For example:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Guzzle HTTP Client \u2192 Symfony HTTP Client<\/span>&nbsp;<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">SwiftMailer \u2192 Symfony Mailer<\/span>&nbsp;<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">These updates result in a more secure, efficient, and future-proof module and email handling.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Moreover, the login system has been modernised. Legacy hooks have been removed, and a new actionBackOfficeLoginForm hook has been introduced, offering cleaner and more customizable authentication flows.<\/span><\/p>\n<h3><b>Transition Toward Twig Templates<\/b><\/h3>\n<p>Importantly, PrestaShop 9.0 also makes a bold move toward full Twig integration, gradually replacing the legacy Smarty engine. Twig is now widely used in both front and back offices, offering more readable, modular, and reusable templates.<\/p>\n<p><span style=\"font-weight: 400;\">For theme developers, this is a significant improvement. In contrast, PrestaShop 8.1\u2019s reliance on Smarty limits flexibility and long-term maintainability.<\/span><\/p>\n<h3><b>Should You Upgrade to PrestaShop 9.0?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">PrestaShop 9.0 brings major improvements\u2014but before upgrading, make sure your store is ready to handle the change. <\/span><b>If<\/b><span style=\"font-weight: 400;\"> your themes, modules, and hosting environment are compatible\u2014or can be easily updated\u2014then migrating can bring notable performance and UX benefits.<\/span><\/p>\n<p>Alternatively, if your current store depends heavily on legacy plugins or complex custom code, it might be wiser to wait until broader module support becomes available. Testing in a staging environment is highly recommended before committing to a full upgrade.<\/p>\n<h3><b>Migration Tips for Store Owners<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Before making the switch, follow these best practices:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\">Backup your entire store, including the database and any custom files.<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\">Test the upgrade in a staging environment first to avoid disrupting your live store.<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\">Verify compatibility for all third-party themes and modules.<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\">Monitor community feedback for bug reports and migration issues.<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\">Conduct thorough testing, especially checkout, payment, and product display areas.&nbsp;<\/li>\n<\/ul>\n<h3><b>Final Thoughts<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">PrestaShop 9.0 marks a major leap toward a modern, secure, and scalable e-commerce platform. From faster performance and updated frameworks to a cleaner developer experience, it brings meaningful benefits for merchants and developers alike.<\/span><\/p>\n<p>In conclusion, while migration requires effort and planning, the long-term gains make it a worthwhile investment. Whether you&#8217;re a seasoned PrestaShop user or planning your first store, now is an excellent time to explore what version 9.0 can do for your business.<\/p>\n<p>If you&#8217;re looking for a reliable solution to ensure a smooth upgrade, KnowBand offers custom module development and PrestaShop 9.0-ready extensions that can accelerate your transition. Their expert support and robust library of PrestaShop modules make them a valuable partner during major upgrades.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>With the release of PrestaShop 9.0, the platform is moving toward a more modern, performance-oriented, and developer-friendly future. However, as with any major update, merchants and developers are left with an important question: Is now the right time to migrate from PrestaShop 8.1? In this blog, we\u2019ll explore the key differences between PrestaShop 8.1 and [&hellip;]<\/p>\n","protected":false},"author":41,"featured_media":831846,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_kbui_enabled":"","footnotes":""},"categories":[4,1],"tags":[42336,17307,41028,42335,42334,47,34212,42338,42332,42333,42337,34213,30049,34609,39200,39203],"class_list":["post-831844","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ecommerce-blog","category-prestashop-blog","tag-headless-commerce","tag-knowband","tag-knowband-modules","tag-modern-api","tag-php-8-3-support","tag-prestashop","tag-prestashop-8-1","tag-prestashop-9-migration-guide","tag-prestashop-9-0","tag-prestashop-9-0-modules","tag-prestashop-developer-guide","tag-prestashop-migration","tag-prestashop-performance","tag-prestashop-upgrade","tag-symfony-6-4","tag-twig-templates"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>PrestaShop 9.0 vs 8.1: Should You Upgrade Now? Key Changes &amp; Migration Guide<\/title>\n<meta name=\"description\" content=\"Explore the key upgrades in PrestaShop 9.0 vs 8.1\u2014Symfony 6.4, PHP 8.3, modern APIs, Twig templates, and a redesigned back office. Learn how KnowBand\u2019s PrestaShop 9.0-ready modules can simplify your migration.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.knowband.com\/blog\/ecommerce-blog\/prestashop-9-vs-8-migration-guide\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"PrestaShop 9.0 vs 8.1: Should You Upgrade Now? Key Changes &amp; Migration Guide\" \/>\n<meta property=\"og:description\" content=\"Explore the key upgrades in PrestaShop 9.0 vs 8.1\u2014Symfony 6.4, PHP 8.3, modern APIs, Twig templates, and a redesigned back office. Learn how KnowBand\u2019s PrestaShop 9.0-ready modules can simplify your migration.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.knowband.com\/blog\/ecommerce-blog\/prestashop-9-vs-8-migration-guide\/\" \/>\n<meta property=\"og:site_name\" content=\"Knowband Blog | Ecommerce Modules\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/Knowband\" \/>\n<meta property=\"article:published_time\" content=\"2025-07-01T13:18:10+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-07-01T13:22:25+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2025\/07\/Should-You-Move-from-PrestaShop-8.1-to-9.0-A-Complete-Feature-Comparison.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"760\" \/>\n\t<meta property=\"og:image:height\" content=\"300\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Olivia Smith\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@KnowbandPlugin\" \/>\n<meta name=\"twitter:site\" content=\"@KnowbandPlugin\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Olivia Smith\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.knowband.com\\\/blog\\\/ecommerce-blog\\\/prestashop-9-vs-8-migration-guide\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.knowband.com\\\/blog\\\/ecommerce-blog\\\/prestashop-9-vs-8-migration-guide\\\/\"},\"author\":{\"name\":\"Olivia Smith\",\"@id\":\"https:\\\/\\\/www.knowband.com\\\/blog\\\/fr\\\/#\\\/schema\\\/person\\\/d06d387c1a539103dd802941df1953c0\"},\"headline\":\"Should You Move from PrestaShop 8.1 to 9.0? A Complete Feature Comparison\",\"datePublished\":\"2025-07-01T13:18:10+00:00\",\"dateModified\":\"2025-07-01T13:22:25+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.knowband.com\\\/blog\\\/ecommerce-blog\\\/prestashop-9-vs-8-migration-guide\\\/\"},\"wordCount\":1020,\"publisher\":{\"@id\":\"https:\\\/\\\/www.knowband.com\\\/blog\\\/fr\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.knowband.com\\\/blog\\\/ecommerce-blog\\\/prestashop-9-vs-8-migration-guide\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.knowband.com\\\/blog\\\/wp-content\\\/uploads\\\/2025\\\/07\\\/Should-You-Move-from-PrestaShop-8.1-to-9.0-A-Complete-Feature-Comparison.jpg\",\"keywords\":[\"headless commerce\",\"Knowband\",\"Knowband modules\",\"modern API\",\"PHP 8.3 support\",\"prestashop\",\"PrestaShop 8.1\",\"PrestaShop 9 migration guide\",\"PrestaShop 9.0\",\"PrestaShop 9.0 modules\",\"PrestaShop developer guide\",\"PrestaShop migration\",\"PrestaShop performance\",\"PrestaShop upgrade\",\"Symfony 6.4\",\"Twig templates\"],\"articleSection\":[\"Ecommerce\",\"Prestashop\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.knowband.com\\\/blog\\\/ecommerce-blog\\\/prestashop-9-vs-8-migration-guide\\\/\",\"url\":\"https:\\\/\\\/www.knowband.com\\\/blog\\\/ecommerce-blog\\\/prestashop-9-vs-8-migration-guide\\\/\",\"name\":\"PrestaShop 9.0 vs 8.1: Should You Upgrade Now? Key Changes & Migration Guide\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.knowband.com\\\/blog\\\/fr\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.knowband.com\\\/blog\\\/ecommerce-blog\\\/prestashop-9-vs-8-migration-guide\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.knowband.com\\\/blog\\\/ecommerce-blog\\\/prestashop-9-vs-8-migration-guide\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.knowband.com\\\/blog\\\/wp-content\\\/uploads\\\/2025\\\/07\\\/Should-You-Move-from-PrestaShop-8.1-to-9.0-A-Complete-Feature-Comparison.jpg\",\"datePublished\":\"2025-07-01T13:18:10+00:00\",\"dateModified\":\"2025-07-01T13:22:25+00:00\",\"description\":\"Explore the key upgrades in PrestaShop 9.0 vs 8.1\u2014Symfony 6.4, PHP 8.3, modern APIs, Twig templates, and a redesigned back office. Learn how KnowBand\u2019s PrestaShop 9.0-ready modules can simplify your migration.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.knowband.com\\\/blog\\\/ecommerce-blog\\\/prestashop-9-vs-8-migration-guide\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.knowband.com\\\/blog\\\/ecommerce-blog\\\/prestashop-9-vs-8-migration-guide\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.knowband.com\\\/blog\\\/ecommerce-blog\\\/prestashop-9-vs-8-migration-guide\\\/#primaryimage\",\"url\":\"https:\\\/\\\/www.knowband.com\\\/blog\\\/wp-content\\\/uploads\\\/2025\\\/07\\\/Should-You-Move-from-PrestaShop-8.1-to-9.0-A-Complete-Feature-Comparison.jpg\",\"contentUrl\":\"https:\\\/\\\/www.knowband.com\\\/blog\\\/wp-content\\\/uploads\\\/2025\\\/07\\\/Should-You-Move-from-PrestaShop-8.1-to-9.0-A-Complete-Feature-Comparison.jpg\",\"width\":760,\"height\":300,\"caption\":\"Side-by-side comparison of PrestaShop 8.1 and 9.0: Key improvements that impact performance, developer tools, and scalability\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.knowband.com\\\/blog\\\/ecommerce-blog\\\/prestashop-9-vs-8-migration-guide\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.knowband.com\\\/blog\\\/fr\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Should You Move from PrestaShop 8.1 to 9.0? A Complete Feature Comparison\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.knowband.com\\\/blog\\\/fr\\\/#website\",\"url\":\"https:\\\/\\\/www.knowband.com\\\/blog\\\/fr\\\/\",\"name\":\"Knowband Blog | Ecommerce Modules\",\"description\":\"Magento, Prestashop, Opencart, Shopify\",\"publisher\":{\"@id\":\"https:\\\/\\\/www.knowband.com\\\/blog\\\/fr\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.knowband.com\\\/blog\\\/fr\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/www.knowband.com\\\/blog\\\/fr\\\/#organization\",\"name\":\"Knowband Blog | Ecommerce Modules\",\"url\":\"https:\\\/\\\/www.knowband.com\\\/blog\\\/fr\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.knowband.com\\\/blog\\\/fr\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/www.knowband.com\\\/blog\\\/wp-content\\\/uploads\\\/2016\\\/09\\\/cropped-knowband_logo-v2.png\",\"contentUrl\":\"https:\\\/\\\/www.knowband.com\\\/blog\\\/wp-content\\\/uploads\\\/2016\\\/09\\\/cropped-knowband_logo-v2.png\",\"width\":153,\"height\":61,\"caption\":\"Knowband Blog | Ecommerce Modules\"},\"image\":{\"@id\":\"https:\\\/\\\/www.knowband.com\\\/blog\\\/fr\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/www.facebook.com\\\/Knowband\",\"https:\\\/\\\/x.com\\\/KnowbandPlugin\"]},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/www.knowband.com\\\/blog\\\/fr\\\/#\\\/schema\\\/person\\\/d06d387c1a539103dd802941df1953c0\",\"name\":\"Olivia Smith\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.knowband.com\\\/blog\\\/wp-content\\\/plugins\\\/wp-user-avatar\\\/deprecated\\\/wp-user-avatar\\\/images\\\/wpua-96x96.png\",\"url\":\"https:\\\/\\\/www.knowband.com\\\/blog\\\/wp-content\\\/plugins\\\/wp-user-avatar\\\/deprecated\\\/wp-user-avatar\\\/images\\\/wpua-96x96.png\",\"contentUrl\":\"https:\\\/\\\/www.knowband.com\\\/blog\\\/wp-content\\\/plugins\\\/wp-user-avatar\\\/deprecated\\\/wp-user-avatar\\\/images\\\/wpua-96x96.png\",\"caption\":\"Olivia Smith\"},\"description\":\"Olivia ist eCommerce-Technikberaterin bei Knowband und unterst\u00fctzt H\u00e4ndler dabei, das Beste aus Plattformen wie PrestaShop, Shopify, Magento, WooCommerce und OpenCart herauszuholen. Ihre Beitr\u00e4ge reichen von der Plugin-Einrichtung \u00fcber die Shop-Anpassung bis hin zu Performance und Fehlerbehebung \u2013 immer mit dem Ziel, Shopbetreibern praktisches, direkt umsetzbares technisches Wissen zu vermitteln. Bei Knowband sind wir Experten der eCommerce-Branche mit Schwerpunkt auf der Entwicklung von Plugins. Mit langj\u00e4hriger Erfahrung bieten wir die besten Plugins f\u00fcr Plattformen wie Magento, PrestaShop, OpenCart und Shopify. Zudem entwickeln und passen wir Module individuell f\u00fcr Websites und Onlineshops an. Unser Team bleibt stets auf dem neuesten Stand der Branchentrends und liefert innovative L\u00f6sungen zur Verbesserung der Funktionalit\u00e4t von eCommerce-Websites. Mit einem kundenorientierten Ansatz ist Knowband ein vertrauensw\u00fcrdiger Partner f\u00fcr eCommerce-Plugin-L\u00f6sungen.\",\"url\":\"https:\\\/\\\/www.knowband.com\\\/blog\\\/author\\\/olivia\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"PrestaShop 9.0 vs 8.1: Should You Upgrade Now? Key Changes & Migration Guide","description":"Explore the key upgrades in PrestaShop 9.0 vs 8.1\u2014Symfony 6.4, PHP 8.3, modern APIs, Twig templates, and a redesigned back office. Learn how KnowBand\u2019s PrestaShop 9.0-ready modules can simplify your migration.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.knowband.com\/blog\/ecommerce-blog\/prestashop-9-vs-8-migration-guide\/","og_locale":"en_US","og_type":"article","og_title":"PrestaShop 9.0 vs 8.1: Should You Upgrade Now? Key Changes & Migration Guide","og_description":"Explore the key upgrades in PrestaShop 9.0 vs 8.1\u2014Symfony 6.4, PHP 8.3, modern APIs, Twig templates, and a redesigned back office. Learn how KnowBand\u2019s PrestaShop 9.0-ready modules can simplify your migration.","og_url":"https:\/\/www.knowband.com\/blog\/ecommerce-blog\/prestashop-9-vs-8-migration-guide\/","og_site_name":"Knowband Blog | Ecommerce Modules","article_publisher":"https:\/\/www.facebook.com\/Knowband","article_published_time":"2025-07-01T13:18:10+00:00","article_modified_time":"2025-07-01T13:22:25+00:00","og_image":[{"width":760,"height":300,"url":"https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2025\/07\/Should-You-Move-from-PrestaShop-8.1-to-9.0-A-Complete-Feature-Comparison.jpg","type":"image\/jpeg"}],"author":"Olivia Smith","twitter_card":"summary_large_image","twitter_creator":"@KnowbandPlugin","twitter_site":"@KnowbandPlugin","twitter_misc":{"Written by":"Olivia Smith","Est. reading time":"5 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.knowband.com\/blog\/ecommerce-blog\/prestashop-9-vs-8-migration-guide\/#article","isPartOf":{"@id":"https:\/\/www.knowband.com\/blog\/ecommerce-blog\/prestashop-9-vs-8-migration-guide\/"},"author":{"name":"Olivia Smith","@id":"https:\/\/www.knowband.com\/blog\/fr\/#\/schema\/person\/d06d387c1a539103dd802941df1953c0"},"headline":"Should You Move from PrestaShop 8.1 to 9.0? A Complete Feature Comparison","datePublished":"2025-07-01T13:18:10+00:00","dateModified":"2025-07-01T13:22:25+00:00","mainEntityOfPage":{"@id":"https:\/\/www.knowband.com\/blog\/ecommerce-blog\/prestashop-9-vs-8-migration-guide\/"},"wordCount":1020,"publisher":{"@id":"https:\/\/www.knowband.com\/blog\/fr\/#organization"},"image":{"@id":"https:\/\/www.knowband.com\/blog\/ecommerce-blog\/prestashop-9-vs-8-migration-guide\/#primaryimage"},"thumbnailUrl":"https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2025\/07\/Should-You-Move-from-PrestaShop-8.1-to-9.0-A-Complete-Feature-Comparison.jpg","keywords":["headless commerce","Knowband","Knowband modules","modern API","PHP 8.3 support","prestashop","PrestaShop 8.1","PrestaShop 9 migration guide","PrestaShop 9.0","PrestaShop 9.0 modules","PrestaShop developer guide","PrestaShop migration","PrestaShop performance","PrestaShop upgrade","Symfony 6.4","Twig templates"],"articleSection":["Ecommerce","Prestashop"],"inLanguage":"en-US"},{"@type":"WebPage","@id":"https:\/\/www.knowband.com\/blog\/ecommerce-blog\/prestashop-9-vs-8-migration-guide\/","url":"https:\/\/www.knowband.com\/blog\/ecommerce-blog\/prestashop-9-vs-8-migration-guide\/","name":"PrestaShop 9.0 vs 8.1: Should You Upgrade Now? Key Changes & Migration Guide","isPartOf":{"@id":"https:\/\/www.knowband.com\/blog\/fr\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.knowband.com\/blog\/ecommerce-blog\/prestashop-9-vs-8-migration-guide\/#primaryimage"},"image":{"@id":"https:\/\/www.knowband.com\/blog\/ecommerce-blog\/prestashop-9-vs-8-migration-guide\/#primaryimage"},"thumbnailUrl":"https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2025\/07\/Should-You-Move-from-PrestaShop-8.1-to-9.0-A-Complete-Feature-Comparison.jpg","datePublished":"2025-07-01T13:18:10+00:00","dateModified":"2025-07-01T13:22:25+00:00","description":"Explore the key upgrades in PrestaShop 9.0 vs 8.1\u2014Symfony 6.4, PHP 8.3, modern APIs, Twig templates, and a redesigned back office. Learn how KnowBand\u2019s PrestaShop 9.0-ready modules can simplify your migration.","breadcrumb":{"@id":"https:\/\/www.knowband.com\/blog\/ecommerce-blog\/prestashop-9-vs-8-migration-guide\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.knowband.com\/blog\/ecommerce-blog\/prestashop-9-vs-8-migration-guide\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.knowband.com\/blog\/ecommerce-blog\/prestashop-9-vs-8-migration-guide\/#primaryimage","url":"https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2025\/07\/Should-You-Move-from-PrestaShop-8.1-to-9.0-A-Complete-Feature-Comparison.jpg","contentUrl":"https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2025\/07\/Should-You-Move-from-PrestaShop-8.1-to-9.0-A-Complete-Feature-Comparison.jpg","width":760,"height":300,"caption":"Side-by-side comparison of PrestaShop 8.1 and 9.0: Key improvements that impact performance, developer tools, and scalability"},{"@type":"BreadcrumbList","@id":"https:\/\/www.knowband.com\/blog\/ecommerce-blog\/prestashop-9-vs-8-migration-guide\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.knowband.com\/blog\/fr\/"},{"@type":"ListItem","position":2,"name":"Should You Move from PrestaShop 8.1 to 9.0? A Complete Feature Comparison"}]},{"@type":"WebSite","@id":"https:\/\/www.knowband.com\/blog\/fr\/#website","url":"https:\/\/www.knowband.com\/blog\/fr\/","name":"Knowband Blog | Ecommerce Modules","description":"Magento, Prestashop, Opencart, Shopify","publisher":{"@id":"https:\/\/www.knowband.com\/blog\/fr\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.knowband.com\/blog\/fr\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/www.knowband.com\/blog\/fr\/#organization","name":"Knowband Blog | Ecommerce Modules","url":"https:\/\/www.knowband.com\/blog\/fr\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.knowband.com\/blog\/fr\/#\/schema\/logo\/image\/","url":"https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2016\/09\/cropped-knowband_logo-v2.png","contentUrl":"https:\/\/www.knowband.com\/blog\/wp-content\/uploads\/2016\/09\/cropped-knowband_logo-v2.png","width":153,"height":61,"caption":"Knowband Blog | Ecommerce Modules"},"image":{"@id":"https:\/\/www.knowband.com\/blog\/fr\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/Knowband","https:\/\/x.com\/KnowbandPlugin"]},{"@type":"Person","@id":"https:\/\/www.knowband.com\/blog\/fr\/#\/schema\/person\/d06d387c1a539103dd802941df1953c0","name":"Olivia Smith","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.knowband.com\/blog\/wp-content\/plugins\/wp-user-avatar\/deprecated\/wp-user-avatar\/images\/wpua-96x96.png","url":"https:\/\/www.knowband.com\/blog\/wp-content\/plugins\/wp-user-avatar\/deprecated\/wp-user-avatar\/images\/wpua-96x96.png","contentUrl":"https:\/\/www.knowband.com\/blog\/wp-content\/plugins\/wp-user-avatar\/deprecated\/wp-user-avatar\/images\/wpua-96x96.png","caption":"Olivia Smith"},"description":"Olivia ist eCommerce-Technikberaterin bei Knowband und unterst\u00fctzt H\u00e4ndler dabei, das Beste aus Plattformen wie PrestaShop, Shopify, Magento, WooCommerce und OpenCart herauszuholen. Ihre Beitr\u00e4ge reichen von der Plugin-Einrichtung \u00fcber die Shop-Anpassung bis hin zu Performance und Fehlerbehebung \u2013 immer mit dem Ziel, Shopbetreibern praktisches, direkt umsetzbares technisches Wissen zu vermitteln. Bei Knowband sind wir Experten der eCommerce-Branche mit Schwerpunkt auf der Entwicklung von Plugins. Mit langj\u00e4hriger Erfahrung bieten wir die besten Plugins f\u00fcr Plattformen wie Magento, PrestaShop, OpenCart und Shopify. Zudem entwickeln und passen wir Module individuell f\u00fcr Websites und Onlineshops an. Unser Team bleibt stets auf dem neuesten Stand der Branchentrends und liefert innovative L\u00f6sungen zur Verbesserung der Funktionalit\u00e4t von eCommerce-Websites. Mit einem kundenorientierten Ansatz ist Knowband ein vertrauensw\u00fcrdiger Partner f\u00fcr eCommerce-Plugin-L\u00f6sungen.","url":"https:\/\/www.knowband.com\/blog\/author\/olivia\/"}]}},"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/www.knowband.com\/blog\/wp-json\/wp\/v2\/posts\/831844","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.knowband.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.knowband.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.knowband.com\/blog\/wp-json\/wp\/v2\/users\/41"}],"replies":[{"embeddable":true,"href":"https:\/\/www.knowband.com\/blog\/wp-json\/wp\/v2\/comments?post=831844"}],"version-history":[{"count":2,"href":"https:\/\/www.knowband.com\/blog\/wp-json\/wp\/v2\/posts\/831844\/revisions"}],"predecessor-version":[{"id":831848,"href":"https:\/\/www.knowband.com\/blog\/wp-json\/wp\/v2\/posts\/831844\/revisions\/831848"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.knowband.com\/blog\/wp-json\/wp\/v2\/media\/831846"}],"wp:attachment":[{"href":"https:\/\/www.knowband.com\/blog\/wp-json\/wp\/v2\/media?parent=831844"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.knowband.com\/blog\/wp-json\/wp\/v2\/categories?post=831844"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.knowband.com\/blog\/wp-json\/wp\/v2\/tags?post=831844"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}