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The Ubuntu 19.10 life cycle will end in July this year, and the largest version for some time after that will be Ubuntu 20.04 LTS, with major updates and improvements ending by 2030. 20.04 is the eighth LTS version of Ubuntu and is scheduled for release on April 23 this year.

1. Review Ubuntu 20.04 LTS

The Ubuntu 19.10 life cycle will end in July this year, and the largest version for some time after that will be Ubuntu 20.04 LTS, with major updates and improvements ending by 2030.

20.04 is the eighth LTS version of Ubuntu and is scheduled for release on April 23 next year. Canonical will set a 25-week schedule for the 10-month release and a 27-week schedule for the April release to guide the development of LTS. The development life cycle of Ubuntu 20.04 follows the 27-week release schedule.

As shown in Ubuntu wiki:

Https://wiki.ubuntu.com/FocalFossa/ReleaseSchedule

From this table we can see several key nodes:

February 27: property freeze

The Ubuntu team stopped introducing new features, packages, and API, and began to focus on fixing bug in the development version.

March 19: freeze user interface

At this point, no other updates occur in the user interface. Subsequently, document processing will also begin, including the latest screenshots.

March 26: freeze document string

After all property and user interface updates are completed, strings are stopped being created and modified in the document. If you need to change the string at a later stage, you can add it only with team approval.

April 2: beta freeze

Developers try out a test version of Ubuntu and suggest bug or bug fixes before the Ubuntu is officially released.

April 9: kernel freeze

Kernel freeze is the deadline for kernel updates.

April 16: final freeze

The final freeze is the penultimate phase of the final version, and the team confirms all fixes.

April 23: final stable version

The final stable version is officially launched.

II. New features of Ubuntu 20.04

The first is the theme change. Yaru will have an optional theme change from light to dark, under which check boxes, radio buttons, sliders and progress bars are no longer blue or green, but are replaced by purple. Switching from green to purple reduces the complexity of colors as a whole without destroying the harmony of Ubuntu itself.

Second, another long-awaited need of the Ubuntu community will be met, and the system will remove pre-installed Amazon applications. The Amazon icon on Ubuntu has been hanging on the desktop all the time, which has long been complained because it is chicken, which is reflected in the survey data. This change, especially for Chinese people who are not used to the first choice of Amazon shopping, is a good thing.

Ubuntu 20.04 will use the Linux 5.4 kernel, which has new features such as kernel lock mode and exFAT support.

The main purpose of the kernel locking function is to prevent the root account from tampering with the kernel code, thus drawing a clear line between the user-mode process and the code. When this feature is enabled, even the root account cannot access certain kernel functions, thus protecting the operating system from the compromised root account.

ExFAT file system is the replacement of FAT32, it is developed by Microsoft, but it is not only used in Windows system, exFAT has been widely used in the entire electronic industry, especially in SD card, USB flash drive, digital camera and MP3 player. When you usually use these electronic products, you mostly use exFAT technology.

On the other hand, the support for ZFS as a root directory introduced in version 19.10 will be further improved, but it will remain experimental.

The debate about ZFS has recently been heated by the participation of Linus Torvalds. When discussing kernel-related issues in a forum, he mentioned ZFS and made it clear that he would not recommend using ZFS until Oracle re-authorized ZFS code so that it could be introduced more amicably into the Linux kernel mainline. At the same time, even putting aside the license reasons, Linus felt that the overall performance of ZFS was not particularly strong. Then someone publicly declared that Linus didn't understand ZFS.

In addition, 20.04 other enhancements include:

GNOME upgrade from v3.34 to v3.36

Game-related improvements

These are all the contents of this article entitled "what are the New Features of Ubuntu 20.04". Thank you for reading! I believe we all have a certain understanding, hope to share the content to help you, if you want to learn more knowledge, welcome to follow the industry information channel!

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