---
layout: doc
title: Qubes OS 4.2 release notes
permalink: /doc/releases/4.2/release-notes/
---

## New features and improvements since Qubes 4.1

- dom0 updated to Fedora 37 [#6982](https://github.com/QubesOS/qubes-issues/issues/6982)
- Xen updated to 4.17
- SELinux support in Fedora templates [#4239]()
- several GUI applications rewritten, including:
  - applications menu (available as preview in R4.1 too) [#6665], [#5677]
  - global settings [#6898]
  - new qube dialog
  - system updater (https://github.com/QubesOS/qubes-issues/issues/7443)
- grub.cfg stored in /boot/grub2/grub.cfg in UEFI boot to [#7985](https://github.com/QubesOS/qubes-issues/issues/7985)
- pipewire support [#6358]
- fwupd integration to allow firmware updates [#4855]
- optional automatic clipboard clearing (https://github.com/QubesOS/qubes-issues/issues/3415)
- official packages built using rewritten qubes-builder (qubes-builderv2), more details at https://github.com/QubesOS/qubes-issues/issues/6486

For a full list, including more detailed descriptions, please see
[here](https://github.com/QubesOS/qubes-issues/issues?q=is%3Aissue+sort%3Aupdated-desc+milestone%3A%22Release+4.2%22+label%3A%22release+notes%22+is%3Aclosed).

## Known issues

For a full list of known 4.2 issues with open bug reports, please see
[here](https://github.com/QubesOS/qubes-issues/issues?q=is%3Aopen+is%3Aissue+milestone%3A%22Release+4.2%22+label%3A%22T%3A+bug%22).
We strongly recommend [updating Qubes OS](/doc/how-to-update/) immediately
after installation in order to apply any and all available bug fixes.

## Download

See [downloads](/downloads/).

## Installation instructions

See the [installation guide](/doc/installation-guide/).

## Upgrading

The in-place upgrade procedure is not prepared yet (https://github.com/QubesOS/qubes-issues/issues/7832). Currently R4.2 can be tested by doing clean installation.

TODO: Please see [how to upgrade to Qubes 4.2](/doc/upgrade/4.2/).