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Merge pull request #24383 from wxy/20220113-Here-are-the-New-Features-Coming-to-Ubuntu-22.04-LTS
TR:sources/tech/20220113 Here are the New Features Coming to Ubuntu 22.04 LTS.md
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[#]: subject: "Here are the New Features Coming to Ubuntu 22.04 LTS"
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[#]: via: "https://itsfoss.com/ubuntu-22-04-release-features/"
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[#]: author: "Abhishek Prakash https://itsfoss.com/author/abhishek/"
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[#]: collector: "lujun9972"
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[#]: translator: "wxy"
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[#]: reviewer: " "
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[#]: publisher: " "
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[#]: url: " "
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Here are the New Features Coming to Ubuntu 22.04 LTS
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======
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_**This is a continually updated article that lists all the main features being added to the upcoming Ubuntu 22.04 LTS ‘Jammy Jellyfish’ release.**_
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Ubuntu fans! It’s time to get excited about the next big release which is Ubuntu 22.04 LTS. Yes. It is a long term support release and it will be supported for five years till April 2027.
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The upcoming LTS release brings several new features. If you are using Ubuntu 20.04 LTS, you will notice numerous visual changes. If you are using Ubuntu 21.10, you already have seen plenty of changes but there will still be a few new ones in the upcoming release.
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Before I show you the new expected new features in 22.04, let’s see when it will be released.
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### Ubuntu 22.04 Release Schedule
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The stable version of Ubuntu 22.04 is scheduled to be released on April 21, 2022. The development is already going in full swing and it will follow this release schedule:
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* February 24, 2022: Feature freeze
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* March 17, 2022: UI freeze
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* March 31, 2022: Beta release
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* April 14, 2022: Release candidate
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* **April 21, 2022: Final stable release**
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Now that you know the important release dates, time to know about the new features Ubuntu 22.04 LTS will be bringing.
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### New features in Ubuntu 22.04 LTS Jammy Jellyfish
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Since the development is still going on, many new features will be added in the near future. I’ll update them as they are revealed.
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For now, here are the main confirmed and expected new features in Ubuntu 22.04.
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#### GNOME 42 and the visual changes that come with it
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GNOME 42 will be released in March 2022. It will be included in the Ubuntu 22.04.
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As always, Ubuntu will be using a customized GNOME version so not all GNOME 42 changes will be reflected here. However, you should still notice some visual changes thanks to the use of new libadwaita and GTK 4 migration.
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![GNOME 42 has a revamped screenshot tool | Image Credit][1]
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You should see a refreshed settings application and revamped screenshot tool. GNOME 42 will also update a number of GNOME applications like Boxes and introduce a new text editor. However, I think Ubuntu will stick with Gedit as its default text editor.
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#### Grub 2.06 and the trouble that comes with it
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Ubuntu 22.04 LTS will have [Grub bootloader][2] version 2.06 but there is a problem with it. It has os-prober feature disabled by default.
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This means that if you are on a dual boot system, Grub won’t probe for other operating systems and thus it won’t list Windows (or other OS) in Grub. A few people, who upgraded to the development version of Ubuntu 22.04, have already [started facing this issue][3].
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It’s not that the problem cannot be fixed. There is a workaround.
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Install os-prober (usually installed already) and then edit the /etc/default/grub file to add GRUB_DISABLE_OS_PROBER=false to this file. Save this file, [update grub][4] and Grub should see other operating systems now.
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#### New firmware updater app
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Ubuntu 22.04 is likely to have a new firmware updater app as [reported by OMG! Ubuntu][5].
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Normally, GNOME Software Center is capable of handling firmware updates even with the Snap version in Ubuntu. Still, the development team is working on a dedicated GUI tool to handle firmware update.
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![Image Courtesy: OMG! Ubuntu][6]
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This new tool is basically a Flutter and Dart based GUI frontend to fwupd, which is a command line tool for getting [firmware from Linux Vendors][7].
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#### New installer
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![New Ubuntu Installer][8]
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The new Flutter based installer has been a work in progress for quite some time now. It was supposed to be shipped with Ubuntu 21.10 but that didn’t happen. There was a separate preview build of Ubuntu 21.10 that featured this new installer, and it is set to become the default installer with Ubuntu 22.04.
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The new installer integrates seamlessly with the Ubuntu desktop style, thus giving Ubuntu 22.04 a more modern look and feel right from the beginning.
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#### Improved support for Raspberry Pi
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Ubuntu started supporting the desktop edition on Raspberry Pi devices with the release of version 20.10. While it could work on the 8 GB version of Raspberry Pi, it struggles on 4 GB and won’t work on 2 GB models.
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The performance should improve with Ubuntu 22.04 specially with the [introduction of zswap][9].
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#### Other changes
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There are a few other changes you should see in terms of software offering. There should be newer versions of most of the prominent softwares. Some of them are:
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* OpenSSL 3.0
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* Ruby 3.0
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* Python 3.10
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* PHP 8.1
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* GCC 11 (expected)
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There is no confirmation but it’s more likely that Ubuntu 22.04 will feature Linux kernel 5.17.
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As I said earlier, things are in development and I’ll update this article as soon as more new features are revealed.
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### Getting Ubuntu 22.04 LTS
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**Warning**: Ubuntu 22.04 is still under heavy development. You should not use it on a production machine or on your main system.
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If you want to test it on a spare machine or in a virtual machine, you can download the daily build from Ubuntu’s website.
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[Download Ubuntu 22.04 Daily Build (Unstable)][10]
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If you are using Ubuntu 20.04 LTS or Ubuntu 21.10 on a spare machine, you could force upgrade to the development branch.
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### What features you look forward to in Ubuntu 22.04?
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Clearly, GNOME 42 will be the biggest highlight of Ubuntu 22.04. What features would you like to see in this new LTS release?
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--------------------------------------------------------------------------------
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via: https://itsfoss.com/ubuntu-22-04-release-features/
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作者：[Abhishek Prakash][a]
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选题：[lujun9972][b]
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译者：[译者ID](https://github.com/译者ID)
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校对：[校对者ID](https://github.com/校对者ID)
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本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创编译，[Linux中国](https://linux.cn/) 荣誉推出
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[a]: https://itsfoss.com/author/abhishek/
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[b]: https://github.com/lujun9972
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[1]: https://i0.wp.com/itsfoss.com/wp-content/uploads/2022/01/gnome-42-screenshot-tool.png?resize=800%2C600&ssl=1
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[2]: https://itsfoss.com/what-is-grub/
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[3]: https://itsfoss.community/t/windows-10-boot-option-missing-in-grub-after-upgrading-to-ubuntu-22-04-developer-version/8306/5
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[4]: https://itsfoss.com/update-grub/
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[5]: https://www.omgubuntu.co.uk/2021/11/ubuntu-is-working-on-a-new-firmware-updater-app
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[6]: https://i0.wp.com/itsfoss.com/wp-content/uploads/2022/01/gnome-firmware-on-ubuntu.jpg?resize=800%2C436&ssl=1
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[7]: https://fwupd.org/
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[8]: https://i0.wp.com/itsfoss.com/wp-content/uploads/2022/01/ubuntu-new-installer.jpeg?resize=720%2C478&ssl=1
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[9]: https://www.omgubuntu.co.uk/2022/01/ubuntu-on-raspberry-pi-4-2gb-zswap
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[10]: https://cdimage.ubuntu.com/daily-live/current/
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@ -0,0 +1,135 @@
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[#]: subject: "Here are the New Features Coming to Ubuntu 22.04 LTS"
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[#]: via: "https://itsfoss.com/ubuntu-22-04-release-features/"
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[#]: author: "Abhishek Prakash https://itsfoss.com/author/abhishek/"
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[#]: collector: "lujun9972"
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[#]: translator: "wxy"
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[#]: reviewer: "wxy"
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[#]: publisher: " "
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[#]: url: " "
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即将出现在 Ubuntu 22.04 LTS 中的新功能
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======
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> 这是一篇持续更新的文章，其中列出了即将发布的 Ubuntu 22.04 LTS “Jammy Jellyfish” 中增加的所有主要功能。
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Ubuntu 的粉丝们！现在是时候为下一个大版本，也就是 Ubuntu 22.04 LTS 感到激动了。是的。这是一个长期支持版本，它将被支持五年，直到 2027 年 4 月。
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即将发布的 LTS 版本带来了一些新的功能。如果你正在使用 Ubuntu 20.04 LTS，你会注意到许多视觉上的变化。如果你正在使用 Ubuntu 21.10，你已经看到了大量的变化，但在这个即将发布的版本中仍然会有一些新的变化。
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在我向你展示 22.04 中新的预期新功能之前，让我们看看它将在什么时候发布。
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### Ubuntu 22.04 发布时间表
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Ubuntu 22.04 的稳定版计划于 2022 年 4 月 21 日发布。开发工作已经在紧锣密鼓地进行，它将遵循如下发布时间表：
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* 2022 年 2 月 24 日：功能冻结
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* 2022 年 3 月 17 日：用户界面冻结
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* 2022 年 3 月 31 日：测试版发布
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* 2022 年 4 月 14 日：候选版本
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* **2022 年 4 月 21 日：最终稳定版本**
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现在你知道了重要的发布日期，是时候了解一下 Ubuntu 22.04 LTS 将带来的新功能了。
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### Ubuntu 22.04 LTS “Jammy Jellyfish” 的新功能
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由于开发工作仍在进行中，许多新功能会在不久的将来陆续加入。我将在它们被发现时进行更新。
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现在，这里是 Ubuntu 22.04 中主要的已确认和预期的新功能。
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#### GNOME 42 和随之而来的视觉变化
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GNOME 42 将于 2022 年 3 月发布。它将被包含在 Ubuntu 22.04 中。
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像往常一样，Ubuntu 将使用定制的 GNOME 版本，所以不是所有的 GNOME 42 的变化都会反映在这里。然而，由于使用了新的 libadwaita 和迁移到了 GTK 4，你还是应该看到一些视觉变化。
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![GNOME 42 有一个重新打造的屏幕截图工具][1]
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你应该看到一个界面崭新的设置程序和重新打造的屏幕截图工具。GNOME 42 还将更新一些 GNOME 应用程序，如 Boxes，并引入一个新的文本编辑器。然而，我认为 Ubuntu 会坚持使用 Gedit 作为其默认的文本编辑器。
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#### Grub 2.06 和它带来的麻烦
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Ubuntu 22.04 LTS 将拥有 [Grub 引导加载程序][2] 2.06 版本，但其中有一个问题，它的 os-prober 功能默认是禁用的。
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这意味着，如果你在一个双启动系统上，Grub 不会探测其他操作系统，因此它不会在 Grub 中列出 Windows（或其他操作系统）。一些升级到 Ubuntu 22.04 开发版本的人已经 [开始面临这个问题][3]。
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这并不是说这个问题不能被解决，有一个变通办法。
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安装 os-prober（通常已经安装），然后编辑 `/etc/default/grub` 文件，在这个文件中加入 `GRUB_DISABLE_OS_PROBER=false`。保存这个文件，[更新 Grub][4]，Grub 现在应该可以看到其他操作系统了。
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#### 新的固件更新程序
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正如 [OMG! Ubuntu][5] 报道的那样，Ubuntu 22.04 可能会有一个新的固件更新程序。
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通常情况下，GNOME 软件中心能够处理固件更新，即使在 Ubuntu 的 Snap 版本中。尽管如此，开发团队仍在努力开发一个专门的 GUI 工具来处理固件更新。
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![图片来源：OMG! Ubuntu][6]
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这个新工具基本上是 `fwupd` 的基于 Flutter 和 Dart 的 GUI 前端，`fwupd` 是一个命令行工具，用于获取 [Linux 供应商的固件][7]。
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#### 新的安装程序
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![新的 Ubuntu 安装程序][8]
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这个基于 Flutter 的新安装程序已经开发了很长时间。它本来应该和 Ubuntu 21.10 一起推出，但并没如期实现。有一个单独的 Ubuntu 21.10 预览版，其中有这个新的安装程序，它将成为 Ubuntu 22.04 的默认安装程序。
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新的安装程序与 Ubuntu 桌面风格无缝整合，从而使 Ubuntu 22.04 从一开始就具有更现代的外观和感觉。
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#### 改进对树莓派的支持
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随着 20.10 版本的发布，Ubuntu 开始支持树莓派设备上运行桌面版。虽然它可以在 8GB 版本的树莓派上工作，但在 4GB 上却很吃力，在 2GB 型号上也无法工作。
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随着 Ubuntu 22.04 的推出，其性能应该会得到改善，特别是它 [引入了 zswap][9]。
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#### 其他变化
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在软件供应方面，你应该看到一些其他变化。大多数著名的软件应该有较新的版本。其中一些是：
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* OpenSSL 3.0
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* Ruby 3.0
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* Python 3.10
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* PHP 8.1
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* GCC 11（预计）
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目前还没有确认，但更有可能的是 Ubuntu 22.04 将采用 Linux 内核 5.17。
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正如我之前所说，一切正在开发中，一旦有更多的新功能被披露，我将立即更新这篇文章。
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### 获取 Ubuntu 22.04 LTS
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**警告**：Ubuntu 22.04 仍在努力开发中，你不应该在生产机器或你的主系统上使用它。
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如果你想在备用机或虚拟机上测试它，你可以从 Ubuntu 的网站上下载日常构建版。
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- [下载 Ubuntu 22.04 日常构建版（不稳定）][10]
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如果你在备用机上使用 Ubuntu 20.04 LTS 或 Ubuntu 21.10，你可以强制升级到开发分支。
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### 你期待 Ubuntu 22.04 的哪些功能？
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很明显，GNOME 42 将是 Ubuntu 22.04 的最大亮点。你希望在这个新的 LTS 版本中看到哪些功能？
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--------------------------------------------------------------------------------
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via: https://itsfoss.com/ubuntu-22-04-release-features/
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作者：[Abhishek Prakash][a]
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选题：[lujun9972][b]
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译者：[wxy](https://github.com/wxy)
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校对：[wxy](https://github.com/wxy)
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本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创编译，[Linux中国](https://linux.cn/) 荣誉推出
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[a]: https://itsfoss.com/author/abhishek/
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[b]: https://github.com/lujun9972
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[1]: https://i0.wp.com/itsfoss.com/wp-content/uploads/2022/01/gnome-42-screenshot-tool.png?resize=800%2C600&ssl=1
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[2]: https://itsfoss.com/what-is-grub/
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[3]: https://itsfoss.community/t/windows-10-boot-option-missing-in-grub-after-upgrading-to-ubuntu-22-04-developer-version/8306/5
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[4]: https://itsfoss.com/update-grub/
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[5]: https://www.omgubuntu.co.uk/2021/11/ubuntu-is-working-on-a-new-firmware-updater-app
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[6]: https://i0.wp.com/itsfoss.com/wp-content/uploads/2022/01/gnome-firmware-on-ubuntu.jpg?resize=800%2C436&ssl=1
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[7]: https://fwupd.org/
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[8]: https://i0.wp.com/itsfoss.com/wp-content/uploads/2022/01/ubuntu-new-installer.jpeg?resize=720%2C478&ssl=1
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[9]: https://www.omgubuntu.co.uk/2022/01/ubuntu-on-raspberry-pi-4-2gb-zswap
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[10]: https://cdimage.ubuntu.com/daily-live/current/
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