After about six million downloads of WordPress 4.5, we are pleased to announce the immediate availability of WordPress 4.5.1, a maintenance release.
We strongly encourage you to update your sites immediately.
This release fixes 12 bugs, chief among them a singular class issue that broke sites based on the Twenty Eleven theme, an incompatibility between certain Chrome versions and the visual editor, and an Imagick bug that could break media uploads. This maintenance release fixes a total of 12 bugs in Version 4.5. For more information, see the release notes or consult the list of changes.
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