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---
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layout: doc
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2021-09-03 03:08:23 -04:00
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title: Qubes OS 4.1 release notes
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2019-06-10 18:15:53 -04:00
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permalink: /doc/releases/4.1/release-notes/
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---
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## New features and improvements since Qubes 4.0
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- Optional qubes-remote-support package now available from repositories
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(strictly opt-in, no package installed by default; no new ports or network
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connections open by default; requires explicit connection initiation by the
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user, then requires sharing a code word with the remote party before a
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connection can be established; see
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[#6364](https://github.com/QubesOS/qubes-issues/issues/6364) for more
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information)
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- Qubes firewall reworked to be more defensive (see
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[#5540](https://github.com/QubesOS/qubes-issues/issues/5540) for details)
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2021-10-10 01:00:04 -04:00
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- Xen upgraded to version 4.14
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- Dom0 operating system upgraded to Fedora 32
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- Default desktop environment upgraded to Xfce 4.14
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- Upgraded default template releases
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- Experimental support for GUI running outside of dom0 (hybrid mode GUI domain
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without real GPU passthrough; see
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[#5662](https://github.com/QubesOS/qubes-issues/issues/5662) for details)
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- Experimental support for audio server running outside of dom0 ("Audio domain")
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- sys-firewall and sys-usb are now disposables by default
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- UEFI boot now loads GRUB, which in turn loads Xen, making the boot path
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similar to legacy boot and allowing the user to modify boot parameters or
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choose an alternate boot menu entry
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- New qrexec policy format (see
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[#4370](https://github.com/QubesOS/qubes-issues/issues/4370) for details)
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- qrexec protocol improvements (see
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[#4909](https://github.com/QubesOS/qubes-issues/issues/4909) for details)
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- New qrexec-policy daemon
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- Simplified using in-qube kernels
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- Clarified disposable-related terminology and properties
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- Default kernelopts can now be specified by a kernel package
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- Improved support for high-resolution displays
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- Improved notifications when a system drive runs out of free space
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- Support for different cursor shapes
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- "Paranoid mode" backup restore option now properly supported using
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disposables
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- Users can now choose between Debian and Fedora in the installer
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- Certain files and applications are now opened in disposables, e.g.,
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Thunderbird email attachments
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- New graphical interface for managing testing repository updates
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- New "Cute Qube" icon family (replaces padlock icons)
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- Disposable qube types now use the disposable icon
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- New Template Manager tool for installing, removing, and updating templates
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(meanwhile, the tool previously known as the "Template Manager," which was
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for mass template switching, has been integrated into the Qube Manager)
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- The "file" storage driver has been deprecated in Qubes 4.1 and will be
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removed in Qubes 4.2
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- `property-del` event renamed to `property-reset` to avoid confusion
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- qrexec no longer supports non-executable files in `/etc/qubes-rpc`
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- qrexec components have been reorganized into the core-qrexec repository
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- The `qvm-pool` argument parser has been rewritten and improved
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- Removed the need for the out-of-tree u2mfn kernel module
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- Qrexec services can now run as a socket server
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- Improved template distribution mechanism
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- Now possible to restart qrexec-agent
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- The term "VM" has largely been replaced by "qube"
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- GUI daemon is now configured using `qvm-features` tool, `/etc/qubes/guid.conf` file is no longer used
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- `qvm-run` tool got `--no-shell` option to run a single command without using a shell inside the qube
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For a full list, including more detailed descriptions, please see
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[here](https://github.com/QubesOS/qubes-issues/issues?q=is%3Aissue+sort%3Aupdated-desc+milestone%3A%22Release+4.1%22+label%3A%22release+notes%22+is%3Aclosed).
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## Known issues
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For a full list of known 4.1 issues with open bug reports, please see
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[here](https://github.com/QubesOS/qubes-issues/issues?q=is%3Aopen+is%3Aissue+milestone%3A%22Release+4.1%22+label%3Abug).
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We strongly recommend [updating Qubes OS](/doc/how-to-update/) immediately
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after installation in order to apply any and all available bug fixes.
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## Download
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See [downloads](/downloads/).
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## Installation instructions
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See the [installation guide](/doc/installation-guide/).
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## Upgrading
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2021-10-09 12:20:25 -04:00
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Please see [How to upgrade to Qubes 4.1](/doc/upgrade/4.1/).
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