Class changes

[protected] Method has been removed

• Magento\Backend\Block\Widget\Breadcrumbs::_beforeToHtml
• Magento\Sales\Block\Adminhtml\Order\Create\Newsletter::_toHtml

[protected] Method parameter typing changed

• Magento\Framework\App\ObjectManagerFactory::_loadPrimaryConfig

[protected] Method return typing changed

• Magento\Backend\Console\Command\AbstractCacheSetCommand::execute
• Magento\Backend\Console\Command\AbstractCacheTypeManageCommand::execute
• Magento\Backend\Console\Command\CacheStatusCommand::execute
• Magento\Config\Console\Command\ConfigSetCommand::execute
• Magento\Config\Console\Command\ConfigShowCommand::execute
• Magento\Developer\Console\Command\XmlCatalogGenerateCommand::execute
• Magento\Sales\Block\Adminhtml\Order\Create\Newsletter::_construct

[public] Method return typing changed

• Magento\Framework\Console\Cli::doRun
• Magento\Framework\Escaper::escapeHtml
• Magento\Framework\View\Element\AbstractBlock::escapeHtml
• Magento\Framework\View\Element\BlockFactory::createBlock
• Magento\ProductAlert\Helper\Data::createBlock
• Magento\Sales\Block\Adminhtml\Order\Comments\View::escapeHtml
• Magento\Sales\Block\Adminhtml\Order\View\History::escapeHtml

Interface changes

[public] Method parameter typing changed

• Magento\Framework\CurrencyInterface::setCache

[public] Method return typing changed

• Magento\Framework\Cache\FrontendInterface::getBackend
• Magento\Framework\Cache\FrontendInterface::getLowLevelFrontend
• Magento\Framework\CurrencyInterface::getCache
• Magento\Framework\View\LayoutInterface::addBlock
• Magento\Framework\View\LayoutInterface::createBlock
• Magento\Framework\View\LayoutInterface::getBlockSingleton
• Magento\PaymentServicesPaypal\Api\PaymentConfigManagementInterface::getConfigItem

Database changes

Db Whitelist from module Magento_TestSetupDeclarationModule3 was removed

• Magento_TestSetupDeclarationModule3

System changes

A field-node was removed

• catalog/rule/share_all_catalog_rules
• catalog/rule/share_applied_catalog_rules
• customer/account_information/graphql_share_all_customer_groups
• payment/recommended_solutions/magento_payments_legacy/general_configuration/reset_production_merchant_id
• promo/graphql/share_all_sales_rule
• promo/graphql/share_applied_sales_rule

A group-node was removed

• catalog/rule

Xsd changes

A schema declaration was removed

• module-analytics/etc/analytics.xsd
• module-analytics/etc/reports.xsd
• module-backend/etc/menu.xsd
• module-catalog/etc/catalog_attributes.xsd
• module-catalog/etc/product_options.xsd
• module-catalog/etc/product_options_merged.xsd
• module-catalog/etc/product_types.xsd
• module-catalog/etc/product_types_base.xsd
• module-catalog/etc/product_types_merged.xsd
• module-config/etc/system.xsd
• module-config/etc/system_file.xsd
• module-config/etc/system_include.xsd
• module-cron/etc/cron_groups.xsd
• module-cron/etc/crontab.xsd
• module-csp/etc/csp_whitelist.xsd
• module-customer/etc/address_formats.xsd
• module-customer/etc/sections.xsd
• module-data-exporter/etc/et_schema.xsd
• module-directory/etc/zip_codes.xsd
• module-eav/etc/eav_attributes.xsd
• module-elasticsearch/etc/esconfig.xsd
• module-email/etc/email_templates.xsd
• module-import-export/etc/export.xsd
• module-import-export/etc/export_merged.xsd
• module-import-export/etc/import.xsd
• module-import-export/etc/import_merged.xsd
• module-integration/etc/integration/api.xsd
• module-integration/etc/integration/config.xsd
• module-integration/etc/integration/integration.xsd
• module-integration/etc/integration/integration_base.xsd
• module-integration/etc/integration/integration_file.xsd
• module-media-content-api/etc/media_content.xsd
• module-media-gallery-api/etc/directory.xsd
• module-page-builder/etc/content_type.xsd
• module-page-builder/etc/content_type_merged.xsd
• module-page-builder/etc/menu_section.xsd
• module-page-builder/etc/menu_section_merged.xsd
• module-payment/etc/error_mapping.xsd
• module-payment/etc/payment.xsd
• module-payment/etc/payment_file.xsd
• module-paypal/etc/rules.xsd
• module-persistent/etc/persistent.xsd
• module-query-xml/etc/query.xsd
• module-sales/etc/pdf.xsd
• module-sales/etc/pdf_file.xsd
• module-sales/etc/sales.xsd
• module-store/etc/config.xsd
• module-ui/etc/data_source.xsd
• module-ui/etc/ui_configuration.xsd
• module-ui/etc/ui_definition.map.xsd
• module-ui/etc/ui_definition.xsd
• module-ui/etc/ui_template.xsd
• module-webapi-async/etc/webapi_async.xsd
• module-webapi/etc/webapi.xsd
• module-webapi/etc/webapi_base.xsd
• module-webapi/etc/webapi_merged.xsd
• module-widget/etc/types.xsd
• module-widget/etc/widget.xsd
• module-widget/etc/widget_file.xsd