腾讯云为什么把 debian 版本号升到 8.6？？？

前两天更新发现有一个 debian_version ，然后 lsb_release 看到 debian 版本号变成 8.6 ，诡异的是只有 base-files 这一个包更新！

腾讯云服务器默认用的 mirror source 是 mirrors.tencentyun.com ，只能内网访问，不知道腾讯云的朋友们有没有看到这个更新。

然后过了好几天， Linode 和 do 都没升级，我特意看了下 debian 官方根本没放出 8.6 ，腾讯为什么要这样做呢？

不知道怎么发图片，贴出详情
apt-cache show base-files

Package: base-files
Version: 8+deb8u6
Essential: yes
Installed-Size: 220
Maintainer: Santiago Vila <[email protected]>;
Architecture: amd64
Replaces: base, dpkg (<= 1.15.0), miscutils
Provides: base
Pre-Depends: awk
Breaks: initscripts (<< 2.88dsf-13.3), sendfile (<< 2.1b.20080616-5.2~)
Description-en: Debian base system miscellaneous files
This package contains the basic filesystem hierarchy of a Debian system, and several important miscellaneous files, such as /etc/debian_version,
/etc/host.conf, /etc/issue, /etc/motd, /etc/profile, and others,
and the text of several common licenses in use on Debian systems.
Description-md5: 6d16337f57b84c4747f56438355b2395
Multi-Arch: foreign
Tag: admin::configuring, role::app-data, suite::debian
Section: admin
Priority: required
Filename: pool/main/b/base-files/base-files_8+deb8u6_amd64.deb
Size: 69660
MD5sum: b8974f7cd1010a0dd24103c73a90817f
SHA1: 3c256f7244891547d4f858908e09ede06d5e9a43
SHA256: 486cc88ee74e79ad491fda2cece05f17db4e1e642c3f8f2ac001e5b129faff80