--- layout: doc title: Qubes OS 4.2 release notes permalink: /doc/releases/4.2/release-notes/ --- _**Please note:** This page is still an unfinished draft in progress. It is being updated as Qubes 4.2 development and testing continues._ ## 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](https://github.com/QubesOS/qubes-issues/issues/4239)) - several GUI applications rewritten, including: - applications menu (available as preview in R4.1 too) ([#6665](https://github.com/QubesOS/qubes-issues/issues/6665)), ([#5677](https://github.com/QubesOS/qubes-issues/issues/5677)) - global settings ([#6898](https://github.com/QubesOS/qubes-issues/issues/6898)) - new qube dialog - system updater ([#7443](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](https://github.com/QubesOS/qubes-issues/issues/6358)) - fwupd integration to allow firmware updates ([#4855](https://github.com/QubesOS/qubes-issues/issues/4855)) - optional automatic clipboard clearing ([#3415](https://github.com/QubesOS/qubes-issues/issues/3415)) - official packages built using rewritten qubes-builder (qubes-builderv2) ([#6486](https://github.com/QubesOS/qubes-issues/issues/6486)) - Split GPG and Split SSH management in Qubes Global Settings - Default templates are now in "Xfce" flavor instead of "Gnome" (https://github.com/QubesOS/qubes-issues/issues/7784) 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 - DomU firewalls have completely switched to nftables. Users should add their custom rules to the `custom-input` and `custom-forward` chains. ([#5031](https://github.com/QubesOS/qubes-issues/issues/5031), [#6062](https://github.com/QubesOS/qubes-issues/issues/6062)) 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 Please see [how to upgrade to Qubes 4.2](/doc/upgrade/4.2/).