微信7.0.5版本更新来了：最后一个功能等了好久
1.微信朋友圈可发30秒视频
还记得前一段时间，微信为了推广自家产品【微视】，在微视上内测了30秒的朋友圈视频。此次更新后，微视正式宣布全面开放30秒朋友圈视频，大家只需要用微视进行发布视频时勾选【同步至朋友圈】，就可以将长视频发布到朋友圈。
2.设置备注的界面也进行了优化
相较于之前，此次更新后的界面更加简洁大方。
左为旧版，右为新版
3.视频动态支持选择图片合成视频
之前视频动态仅能选择相册中的图片进行编辑，并且在音乐选择上，新增歌词选项，打勾后视频即可自动同步歌词。
4.视频动态“不通知到朋友圈”功能上线
更新后的视频动态，用户在发布视频动态时可以通过编辑页面右上角的“...”选择“不通知到朋友圈”，发表的视频动态不会出现在好友的朋友圈提示消息中，自己视角下的视频动态会出现禁止标志，但好友无法看到该标志。
5.公众号主页大改版
此次改版后，用户点击公众号页面，看到的将是以【大卡片】展示的历史文章，胖友们再也不用点击【更多历史消息】来查看了。
6.长按识别小程序码可显示小程序名称
但用户使用路径并没有缩短，甚至位置较之前还有所下降，直接沉到底部，而且对于“一图多码”的情况依然无法实现选择识别，
7.朋友圈的视频在 WiFi 下可自动无声播放
这个太重要了！终于可以随时随地看视频，还不用担心被XXX发现！
同时上传的视频支持设置背景音乐：
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