Tails 2.5 发布了，The Amnesic Incognito Live System (Tails)是基于Debian的自启动光盘或USB发行，其目标是为用户提供完整的因特网匿名功能。该发行装备了一些因特网应用程序，包括网页浏览 器、IRC客户端、邮件mail客户端、即时消息信使，这都以安全为理念进行了预配置，并对网络流量进行了匿名性处理。为达到此目标，Incognito 使用了Tor网络，以使得网络流量很难被追踪。
主要更新：
Tor Browser 更新到 6.0.3 ，基于 Firefox 45.3.
Icedove 更新到 45.1. (#11530)
问题修复：
The automatic account configuration of Icedove used to freeze when connecting to some email providers. (#11486)
In some cases sending an email with Icedove used to result in the error: "The message could not be sent using Outgoing server (SMTP) mail.riseup.net for an unknown reason." (#10933)
A spurious error message used to sometimes appear when creating an account in Icedove and providing its password. (#11550)
Fix some time synchronization problems, by replacing obsolete and unreliable servers, and decreasing a timeout. (#11577)
KVM virtual machineswith QXL video: vastly improve graphics performance and fix visual artifacts in Tor Browser. (#11500,#11489)
更多改进信息，查看改进日志。