• Api/TinyMCE: fixed not usable editor in some places due to zero height
• Calendar/ActiveSync: fix stalled sync caused by Calendar using now DateTime objects instead of timestamps
• Calendar/CalDAV: fix stalled sync caused by Calendar using now DateTime objects instead of timestamps
• Calendar: External calendar subscription can now optionally force events blocking or non-blocking
• Mail: fix inline images lost (did not live as CID) through save as draft
• PHP: replace PHP 8.4 syntax stalling installation in PHP 8.2 and 8.3