Deprecation: #78279 - Deprecate top.TYPO3.Backend.ContentContainer.iframe

See Issue #78279

Description

The property top.TYPO3.Backend.ContentContainer.iframe has been marked as deprecated.

Impact

Using this property will stop working in TYPO3 v9.

Affected Installations

All installations using top.TYPO3.Backend.ContentContainer.iframe .

Migration

Use accessor method top.TYPO3.Backend.ContentContainer.get() instead.