There’s power-management support for AMD’s Zen CPUs, for example. AMD Processor Enhancements: AMD processors also receive some attention, with performance and management enhancements in the kernel.Intel is promoting enclaves as a way of protecting private and sensitive items, such as encryption keys from a malicious or compromised kernel.
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Code running inside the enclave services the requests from non-enclave code. Normal code can make requests to the enclaves, but they cannot directly access their contents. SGX allows for the creation of secure, encrypted memory zones called enclaves.
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Software Guard Extensions: Intel’s Software Guard Extensions (SGX) feature is now supported.
But there’s plenty in this kernel that is of interest. So there was very little last-minute code-churn, which is a good thing. It just means that between the seventh final release candidate and the release build, there were very few commits. When Linus Torvalds announced the release of the new kernel on St. Valentine’s day, he said, “It’s a smaller-than-average set of commits from rc7 to final.” However, that doesn’t mean that there’s not much in this release. There’s been some confusion around the new features in kernel 5.11. What’s new in Ubuntu 21.04? Linux Kernel 5.11 It doesn’t represent a major development or a lot of new content, so there was even less reason to include it.īut enough about what didn’t make the cut. The build number was bumped up to 40 to start a new numbering scheme. The GNOME versioning scheme was becoming unwieldy. And in fact, the new content in GNOME 40 isn’t as much as you might expect from the jump in the build version number. Even in an interim build, there’s no place for recklessness. Ubuntu 21.04 sticks with GTK 3 and GNOME 3.38. Rather than risking introducing something that could negatively impact the desktop experience, the GNOME extensions, and the Yaru theme, GNOME 40 was dropped from this release. GNOME 40 has a lot of changes in it, so there were concerns about upgrading. Some of the hoped-for features, such as the GNOME 40 desktop environment and the GTK 4 development toolkit, didn’t make it into Hirsute Hippo. Because the interim builds are used as proving grounds for the software, features, and innovations that will eventually be included in the next LTS build, there’s a small residual risk in using them. They sometimes need a little time to settle down as the post-launch patches are rolled out, but they do get onto an even keel very quickly. To be fair to Canonical, the interim builds are always pretty stable. The other releases-the interim builds-are for those who want to have the latest release of Ubuntu and the newest selection of applications, and for whom stability is of secondary importance. LTS releases are supported for five years and are considered enterprise-grade. Every two years, one of these builds is designated a Long Term Support (LTS) release. Ubuntu 21.04 is an interim release, which means that it receives support for nine months only.Ĭanonical releases a build of Ubuntu every six months, one in April and one in October. Either way, the latest version of the enormously popular Ubuntu Linux distribution from Canonical is available for download. The Hirsute Hippo hit the streets (or mud holes) on April 22, 2021.
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