CKEditor 4.5.9 发布了，这是一个小版本发布，主要修复一些Bugs，以及CKEditor生成器的更新。
主要Bugs修复：
#10685: Fixed: Unreadable toolbar icons after updating to the new editor version.
#14573: Fixed: Missing Widget drag handler CSS when there are multiple editor instances.
#14620: Fixed: Setting both the min-height style for the element and the height style for the element breaks the Auto Grow plugin.
#14538: Fixed: Keyboard focus goes into an embedded
