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Over 50 bug fixes have been made in this release including the widely discussed privilege escalation security vulnerability in plugins.����50�����޸�������ȡ���˱����Ÿ��а����㷺���۵���Ȩ���ȫ©�����ڲ����

Upgrading means overwriting your old files in every directory, except wp-content, with the latest from the download.���ֶθ�����ľɵ�������ÿһ��Ŀ¼�У����˿�ʪ�Էۼ����ݣ������µĴ����ء� You can also update the default theme, unless you have customized it.��Ҳ���Ը���Ĭ�ϵ����⣬������ж��ơ�