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CHANGES & IMPROVEMENTS in TYPO3 4.0
(for technical details see ChangeLog)
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Access Control
===============

	* FE-groups are now nested and content elements. Additionally, pages can have more than one group assigned. (Michael Stucki <michael@typo3.org> integrating extension "fenestgrp" by Glen Gibb and extension "ingmar_accessctrl" by Ingmar Schlecht)

Compatibility
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	* GMENU_LAYERS and TMENU_LAYERS and image rollovers now work with Opera browsers (Martin Kutschker <martin.t.kutschker@blackbox.net>)

2005-07-02

Security
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	* A debug script exposed system information provided by phpinfo(). For details, see http://typo3.org /teams/security/security-bulletins/typo3-20050725-1/ (Michael Stucki <michael@typo3.org>)