qubes-doc/releases/3.0/release-notes.md
Marek Marczykowski-Górecki ecd22417a2
Unified installation guide
Move "Upgrading" and "Known Issues" sections to release notes
2015-09-15 23:43:50 +02:00

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---
layout: doc
title: Qubes R3.0 release notes
permalink: /doc/releases/3.0/release-notes/
---
Qubes R3.0 release notes
========================
*this page is a draft for yet unreleased version*
New features since 2.0
----------------------
* Xen 4.4
* Qrexec 3
* Debian templates
* Whonix templates
* Build system improvements
Known issues
------------
* Windows Tools: `qvm-block` does not work
* UEFI is not supported, you need to enable "legacy boot" in BIOS before installing Qubes OS
* Some icons in the Qubes Manager application might not be drawn correctly when using the Xfce4 environment in Dom0. If this bothers you, please use the KDE environment instead.
* If your GPU is not correctly supported by the Dom0 kernel (e.g. the 3D desktop effects do not run smoothly) then you might experience "heaviness" with Windows 7-based AppVMs. In that case, please solve the problem with your GPU support in Dom0 in the first place (by using a different kernel), or install Qubes OS on a different system.
* For other known issues take a look at [our tickets](https://github.com/QubesOS/qubes-issues/issues?q=is%3Aopen+is%3Aissue+milestone%3A%22Release+3%22+label%3Abug)
It is advised to install updates just after system installation to apply bug fixes for (some of) the above problems.
Downloads
---------
See [Qubes Downloads](/doc/QubesDownloads/).
Installation instructions
-------------------------
See [Installation Guide](/doc/InstallationGuide/).
Upgrading
---------
### From from R3.0rc1
If you are using Qubes R3.0rc1, just install system updates, there is no special steps required.
### From R2.0 or earlier
The easiest and safest way to upgrade to Qubes R3.0 is to install it from scratch and use [qubes backup and restore tools](/doc/BackupRestore/) for migrating of all of the user VMs.
Users of Qubes R2 can upgrade using [experimental procedure](/doc/UpgradeToR3.0/).