安全问题修复
如果你在之前
项目的action中使用了->sendMail()方法，必须要升级一个补丁
http://trac.symfony-project.com/ ... t=diff&new=4380
PHPMailer 如果调用了sendmail，那么有一个远程攻击漏洞，更多信息请查看
http://larholm.com/2007/06/11/phpmailer-0day-remote-execution/
修复了以下bug
r4387: fixed input_date_range_tag - Illegal attributes in input tags (#1883)
r4385: fixed issue relating to lock files (#1874)
r4380: fixed vulnerability in phpmailer with sender (#1871)
r4323: fixed DOMDocument E_STRICT warning and trans-unit max id in XLIFF support
r4320: fixed sfToolkit::isUTF8() broken
for strings larger than some number
r4305: added i18n schema for
MySQL and SQLite in
API documentation
