苹果发出WWDC邀请函，将于6月3日举行
在距离今年WWDC开幕还有十天的时候，日前苹果方面也开始发出此次活动的邀请函，并确定其将于6月3日在加利福尼亚州圣何塞麦克恩利会议中心举行。按照此前的惯例，在此次活动中官方大概率将会针对旗下不同设备的操作系统进行更新，外界推测此次或将会包括iOS 13、macOS 10.15、tvOS 13，以及watchOS 6。
而对于目前外界最为关心的iOS 13，此前也已经有相关的爆料信息出现。据悉，此次的大版本升级除了将在性能方面有所提升之外，还将新增例如“夜间模式”等功能，同时健康应用的主页面也将得到改进，而新加入的“听觉健康”功能可以辅助用户进行耳机及外置扬声器的音量调整。与此同时，还有望加入类似Swiftkey的滑动键盘功能。
此前曾有传言显示，iOS 13或将能够把iPad作为Mac的副屏，通过双屏来提升用户的使用体验。同时新版系统中，iPad上的Safari也将更为智能，并能够自动请求桌面版网页，以避免大尺寸屏却显示为移动端页面的情况。
按照惯例，苹果方面通常会在WWDC发布新版系统的开发者测试版，并在随后包括iPhone、iPad、iWatch等新品上市之后，与新品一起推出正式版本。但由于截止目前为止，官方并未明确此次活动的具体发布详情，因此还有待后期更进一步信息的确认。
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