Deprecation: #69401 - Adopt ext:form to support the Extbase/ Fluid MVC stack 

See forge#69401

Description 

Form is now based on Extbase/ Fluid for frontend rendering. Therefore all TypoScript based layout settings have been marked as deprecated. Using the following code is not recommended anymore:

10 = FORM
10 {
	layout {
		containerWrap = <div><elements /></div>
		elementWrap = <div><element /></div>
	}
}
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Impact 

All .layout TypoScript properties should not be used anymore. Backward compatibility algorithms will be removed with TYPO3 CMS 8.

Affected Installations 

All installations using .layout TypoScript properties.

Migration 

Move away from .layout TypoScript properties and move to Fluid based templating.