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This page represents a comparison between Legacy Stack Stack (aka "4.x" stack) vs Platform Stack (previously referred to as "Symfony", "new" or "6.x" stack); it will be updated as new stack maturesfeatures are added. Note: Features mentioned on the black list are still available in 5.x, but via legacy kernel so you will need to use "pure legacy" or a mixed setup using "legacy fallbacks".
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\* When referring a specific instance of any of the content model entries, either "object" or "item" is normal to append depending on context. In our BDD specifications the domain names have "object" appended to them forming "Content object(s)", "Location object(s)" and so on.
Known missing in
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Platform stack (black/grey list):
Note: Missing integration doesn't mean the system can not use the feature in a new installation relying on the new stack, but if it needs, it shall rely on a fallback to the legacy stack or features available in Symfony bundles. For instance: a website with a shop system could be done in twig and rely on legacy only for the fallback for shop parts.
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