Magento Open Source 2.4.0 Release Webinar and discuss the latest features B2B and B2C.
1)Default Two-factor authentication (2FA) in the latest Magento 2.4.o
2)Elasticsearch 7.6.x support. Elasticsearch 7.6.x is now the default catalog search engine for Magento Commerce and Open Source. You cannot install or upgrade to Magento 2.4.0 without also installing Elasticsearch 7.6.x. Elasticsearch version 2.x code has been removed. Elasticsearch versions 5.x and 6.x have been deprecated and are no longer supported.
3)The core Braintree module has been removed from the codebase.