"Canonical says Ubuntu Pastebin will be decommissioned at the end of May 2026," writes Slashdot reader BrianFagioli, "as part of an infrastructure modernization effort." The announcement only appeared this week, giving the Linux community barely any warning before a service that has been tied to Ubuntu support culture for years suddenly disappears. Ubuntu Pastebin has long been used for sharing logs, crash reports, config files, and terminal output across IRC, Ask Ubuntu, forums, bug reports, Reddit, and countless troubleshooting guides scattered around the internet. The bigger concern is link rot. Once the shutdown happens, years of old support discussions could lose critical debugging information overnight. Community members have already pointed out that some Ubuntu packages and scripts still reference paste.ubuntu.com directly. While it is understandable that aging services eventually get retired, the extremely short transition period is rubbing many Linux users the wrong way, especially in a community where old documentation and archived troubleshooting threads still regularly help people solve problems a decade later.

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Canonical's plan to add AI features to Ubuntu has sparked pushback from users who are concerned it could follow Windows 11's AI-heavy direction. "After Canonical's announcement earlier this week that it's bringing AI features to Ubuntu, replies included requests for an AI 'kill switch' or a way to disable the upcoming features," reports The Verge. Canonical says it has no plans for a "global AI kill switch" but it will allow users to remove any AI features they don't want. From the report: In his original post, [Canonical's VP of engineering, Jon Seager] said the upcoming AI features will include accessibility tools like AI speech-to-text and text-to-speech, along with agentic AI features for tasks like troubleshooting and automation. Canonical is also encouraging its engineers to use AI more and plans to begin introducing AI features in Ubuntu "throughout the next year." In a follow-up comment, Seager clarified that, "my plan is to introduce AI-backed features as a 'preview' on a strictly opt-in basis in [Ubuntu version] 26.10. In subsequent releases, my plan is to have a step in the initial setup wizard that allows the user to choose whether or not they'd like the AI-native features enabled." Ultimately, he said, "All of these capabilities will be delivered as Snaps to the OS, layered on top of the existing Ubuntu stack. That means there will always be the option of removing those Snaps." Users who prefer to avoid AI entirely could switch to other distros like Linux Mint, Pop!_OS, or Zorin OS. "These distros have some similarities to Ubuntu, but may not necessarily adopt the new AI features Canonical is rolling out," adds The Verge.

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Framework began shipping its new Laptop 13 Pro this week. And the Ubuntu variant is outselling the Windows variant, reports PC World: [I]t's selling quickly by Framework's internal metrics, with six batches of the Intel version of the laptop already sold out. [A later Framework social media post added "Spoke too soon, we're onto Batch 8."] "Also nice validation of our approach, the Ubuntu configurations are outselling the Windows ones!" That's not really surprising, for a few reasons. One, if you're buying a Framework laptop, you have a good reason to order it without an OS, even if you want Windows 11. It's easy to get it free or cheap elsewhere. (Framework says it's not counting the "None (bring your own)" option in these Ubuntu numbers.) Two, there are precious few places to order a new laptop with any kind of Linux pre-loaded — you've got Framework, a few smaller vendors like System76 and Slimbook, and a few models from Dell. Lenovo sold Ubuntu-loaded laptops at one point, but I can't find any on the site right now... Perhaps it doesn't hurt that Microsoft and Windows are currently on a bit of an apology tour. After a couple of years of pushing hard on "AI" features that no one wants — not even the people who do want "AI" want the Copilot flavor — Microsoft is pulling back its integration into everything and now promising features that Windows has been missing ever since Windows 10. Framework also reports that: More than one third of purchasers say they're replacing a MacBook Pro, "and almost all of them are switching to Linux (based on our optional post-purchase survey)." "Also in interesting sales data, the Gray/Black keyboard is vastly outselling the traditional Black one!"

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"Canonical is no longer pretending that 4GB is enough," writes the blog How-to-Geek, noting Ubuntu 26.04 LTS "raises the baseline memory to 6GB, alongside a 2GHz dual-core processor, and 25GB of storage..." Ubuntu 14.04 LTS (Trusty Tahr) set the floor at 1GB — a modest ask when it launched more than a decade ago in 2014. Then came the Ubuntu 18.04 LTS (Bionic Beaver) that pushed the number to 4GB, surviving quite well in the era of 16GB being considered standard for mid-range laptops.... Ubuntu's new minimum requirement lands in an interesting spot when compared against Windows 11. Microsoft's operating system requires just 4GB RAM, although real-world usage often tells a different story. Usually, 8GB is considered the sweet spot to handle modern apps and multitasking. The blog OMG Ubuntu argues this change is "not because Ubuntu requires 2GB more memory than it did, but more the way we compute does." it's more of an honesty bump. Components that make up the distro — the GNOME desktop and extensions, modern web browsers (and the sites we load in them) and the kinds of apps we use (and keep running) whilst multitasking are more demanding... The Resolute Raccoon's memory requirements better reflect real-world multitasking. Ubuntu 26.04 LTS can be installed on devices with less than 6GB RAM (but not less than 25GB of disk space). The experience may not be as smooth or as responsive as developers intend (so you don't get to complain), but it will work. I installed Ubuntu 26.04 Beta on a laptop with just 2 GB of memory — slow to the point of frustration in use, but otherwise functional. If you have a device with 4 GB RAM and you can't upgrade (soldered memory is a thing, and e-waste can be avoided), then alternatives exist. Many Ubuntu flavours, like Lubuntu, have lower system requirements than the main edition. Plus, there's always the manual option using the Ubuntu netboot installer to install a base system and then built out a more minimal system from there.

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BrianFagioli writes: Canonical has joined the Rust Foundation as a Gold Member, signaling a deeper investment in the Rust programming language and its role in modern infrastructure. The company already maintains an up-to-date Rust toolchain for Ubuntu and has begun integrating Rust into parts of its stack, citing memory safety and reliability as key drivers. By joining at a higher tier, Canonical is not just adopting Rust but also stepping closer to its governance and long-term direction. The move also highlights ongoing tensions in Rust's ecosystem. While Rust can reduce entire classes of bugs, it often depends heavily on external crates, which can introduce complexity and auditing challenges, especially in enterprise environments. Canonical appears aware of that tradeoff and is positioning itself to influence how the ecosystem evolves, as Rust continues to gain traction across Linux and beyond. "As the publisher of Ubuntu, we understand the critical role systems software plays in modern infrastructure, and we see Rust as one of the most important tools for building it securely and reliably. Joining the Rust Foundation at the Gold level allows us to engage more directly in language and ecosystem governance, while continuing to improve the developer experience for Rust on Ubuntu," said Jon Seager, VP Engineering at Canonical. "Of particular interest to Canonical is the security story behind the Rust package registry, crates.io, and minimizing the number of potentially unknown dependencies required to implement core concerns such as async support, HTTP handling, and cryptography -- especially in regulated environments."

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"Ubuntu's decision to switch to Rust-based coreutils in 25.10 hasn't been the smoothest ride," writes the blog OMG Ubuntu, "as the latest — albeit now resolved — bug underscores." [Coreutils] are used by a number of processes, apps and scripts, including Ubuntu's own unattended-upgrades process, which automatically checks for new software updates. Alas, the Rust-based version of date had a bug which meant Ubuntu 25.10 desktops, servers, cloud and container images were not able to automatically check for updates when configured. Unattended-upgrades hooks into the date utility to check the timestamp of a reference file of when an update check was last run and, past a certain date, checks again. But date was incorrectly showing the current date, always. A fix has been issued so only Ubuntu 25.10 installs withrust-coreutils 0.2.2-0ubuntu2 (or earlier) are affected.

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Ubuntu "is adopting the memory-safe Rust language," reports ZDNet, citing remarks at this year's Ubuntu Summit from Jon Seager, Canonical's VP of engineering for Ubuntu: . Seager said the engineering team is focused on replacing key system components with Rust-based alternatives to enhance safety and resilience, starting with Ubuntu 25.10. He stressed that resilience and memory safety, not just performance, are the principal drivers: "It's the enhanced resilience and safety that is more easily achieved with Rust ports that are most attractive to me". This move is echoed in Ubuntu's adoption of sudo-rs, the Rust implementation of sudo, with fallback and opt-out mechanisms for users who want to use the old-school sudo command. In addition to sudo-rs, Ubuntu 26.04 will use the Rust-based uutils/coreutils for Linux's default core utilities. This setup includes ls, cp, mv, and dozens of other basic Unix command-line tools. This Rust reimplementation aims for functional parity with GNU coreutils, with improved safety and maintainability. On the desktop front, Ubuntu 26.04 will also bring seamless TPM-backed full disk encryption. If this approach reminds you of Windows BitLocker or MacOS FileVault, it should. That's the idea. In other news, Canonical CEO Mark Shuttleworth said "I'm a believer in the potential of Linux to deliver a desktop that could have wider and universal appeal." (Although he also thinks "the open-source community needs to understand that building desktops for people who aren't engineers is different. We need to understand that the 'simple and just works' is also really important.") Shuttleworth answered questions from Slashdot's readers in 2005 and 2012.

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darwinmac writes: Ubuntu Unity is staring at a possible shutdown. A community moderator has gone public pleading for help, admitting the project is "broken and needs to be fixed." Neowin reports the distro is suffering from critical bugs so severe that upgrades from 25.04 to 25.10 are failing and even fresh installs are hit. The moderator admits they lack the technical skill or time to perform a full rescue and is asking the broader community, including devs, testers, and UI designers, to step in so Ubuntu Unity can reach 26.04 LTS. If no one steps in soon, this community flavor might quietly fade away once more.

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Thursday Ubuntu-maker Canonical "officially launched Canonical Academy, a new certification platform designed to help professionals validate their Linux and Ubuntu skills through practical, hands-on assessments," writes the blog It's FOSS: Focusing on real-world scenarios, Canonical Academy aims to foster practical skills rather than theoretical knowledge. The end goal? Getting professionals ready for the actual challenges they will face on the job. The learning platform is already live with its first course offering, the System Administrator track (with three certification exams), which is tailored for anyone looking to validate their Linux and Ubuntu expertise. The exams use cloud-based testing environments that simulate real workplace scenarios. Each assessment is modular, meaning you can progress through individual exams and earn badges for each one. Complete all the exams in this track to earn the full Sysadmin qualification... Canonical is also looking for community members to contribute as beta testers and subject-matter experts (SME). If you are interested in helping shape the platform or want to get started with your certification, you can visit the Canonical Academy website. The sys-admin track offers exams for Linux Terminal, Ubuntu Desktop 2024, Ubuntu Server 2024, and "managing complex systems," according to an official FAQ. "Each exam provides an in-browser remote desktop interface into a functional Ubuntu Desktop environment running GNOME. From this initial node, you will be expected to troubleshoot, configure, install, and maintain systems, processes, and other general activities associated with managing Linux. The exam is a hybrid format featuring multiple choice, scenario-based, and performance-based questions..." "Test-takers interested in the types of material covered on each exam can review links to tutorials and documentation on our website." The FAQ advises test takers to use a Chromium-based browser, as Firefox "is NOT supported at this time... There is a known issue with keyboards and Firefox in the CUE.01 Linux 24.04 preview release at this time, which will be resolved in the CUE.01 Linux 24.10 exam release."

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"It's not just you: Flatpak flat-out doesn't work in the new Ubuntu 25.10 release," writes the blog OMG Ubuntu: While Flatpak itself can be installed using apt, trying to install Flatpaks with Flatpak from the command-line throws a "could not unmount revokefs-fuse filesystem" error, followed by "Child process exited with code 1". For those who've installed the Ubuntu 'Questing Quokka' and wanted to kit it out with their favourite software from Flathub, it's a frustrating road bump. AppArmor, the tool that enforces Ubuntu's security policies for apps, is causing the issue. According to the bug report on Launchpad, the AppArmor profile for fusermount3 lacks the privileges it needs to work properly in Ubuntu 25.10. Fusermount3 is a tool Flatpak relies on to mount and unmount filesystems... This is a bug and it is being worked on. Although there's no timeframe for a fix, it is marked as critical, so will be prioritised. The bug was reported in early September, but not fixed in time for this week's Ubuntu 25.10 release, reports Phoronix: Only [Friday] an updated AppArmor was pushed to the "questing-proposed" archive for testing. Since then... a number of users have reported that the updated AppArmor from the proposed archive will fix the Flatpak issues being observed. From all the reports so far it looks like that proposed update is in good shape for restoring Flatpak support on Ubuntu 25.10. The Ubuntu team is considering pushing out this update sooner than the typical seven day testing period given the severity of the issue. More details from WebProNews: Industry insiders point out that AppArmor, Ubuntu's mandatory access control system, was tightened in this release to enhance security... This isn't the first time AppArmor has caused friction; similar issues plagued Telegram Flatpak apps in Ubuntu 24.04 LTS earlier this year, as noted in coverage from OMG Ubuntu.

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prisoninmate shares a report from 9to5Linux: Dubbed Questing Quokka, Ubuntu 25.10 is powered by the latest and greatest Linux 6.17 kernel series for top-notch hardware support and ships with the latest GNOME 49 desktop environment, defaulting to a Wayland-only session for the Ubuntu Desktop flavor, meaning there's no other session to choose from the login screen. Ubuntu Desktop also ships with two new apps, namely GNOME's Loupe instead of Eye of GNOME as the default image viewer, as well as Ptyxis instead of GNOME Terminal as the default terminal emulator. Also, there's a new update notification that will be shown with options to open Software Updater or install updates directly.' Other highlights of Ubuntu 25.10 include sudo-rs as the default implementation of sudo, Dracut as the default initramfs-tools, Chrony as the default NTP (Network Time Protocol) client, Rust Coreutils as the default implementation of GNU Core Utilities, and TPM-backed FDE (Full Disk Encryption) recovery key management. Moreover, Ubuntu 25.10 adds NVIDIA Dynamic Boost support and enables suspend-resume support in the proprietary NVIDIA graphics driver to prevent corruption and freezes when waking an NVIDIA desktop. For Intel users, Ubuntu 25.10 introduces support for new Intel integrated and discrete GPUs. Ubuntu 25.10 is available for download here.

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BrianFagioli writes: Canonical has revealed the codename for Ubuntu 26.04 LTS: Resolute Raccoon. The announcement came today on X through the official @ubuntu account, continuing the tradition of pairing an adjective with an animal for each release. As an LTS version, it will be supported for five years and serve as the foundation for servers, desktops, and cloud deployments when it launches in April 2026. While the name itself is now public, the features of Ubuntu 26.04 remain under wraps. The community will be watching closely to see which kernel it ships with, how GNOME evolves, and what improvements land for enterprise and container use. For now, fans simply have a raccoon mascot to rally around as the countdown to April begins.

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Disabling Intel graphics security mitigations in GPU compute stacks for OpenCL and Level Zero can yield a performance boost of up to 20%, prompting Ubuntu's Canonical and Intel to disable these mitigations in future Ubuntu packages. Phoronix's Michael Larabel reports: Intel does allow building their GPU compute stack without these mitigations by using the "NEO_DISABLE_MITIGATIONS" build option and that is what Canonical is looking to set now for Ubuntu packages to avoid the significant performance impact. This work will likely all be addressed in time for Ubuntu 25.10. This NEO_DISABLE_MITIGATIONS option is just for compiling the Intel Compute Runtime stack and doesn't impact the Linux kernel security mitigations or else outside of Intel's "NEO" GPU compute stack. Both Intel and Canonical are in agreement with this move and it turns out that even Intel's GitHub binary packages for their Compute Runtime for OpenCL and Level Zero ship with the mitigations disabled due to the performance impact. This Ubuntu Launchpad bug report for the Intel Compute Runtime notes some of the key takeaways. There is also this PPA where Ubuntu developers are currently testing their Compute Runtime builds with NEO_DISABLE_MITIGATIONS enabled for disabling the mitigations.

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BrianFagioli writes: Ubuntu 25.10, known as Questing Quokka, is taking a big turn under the hood. Canonical has dropped support for the GNOME desktop running on Xorg. Starting with this release, the default Ubuntu session now uses Wayland only. Yes, folks, there's no longer an option to log into GNOME on Xorg.

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Longtime Slashdot reader RoccamOccam shares a blog post from the Trifecta Tech Foundation, a nonprofit organization that creates secure, open source building blocks for infrastructure software. The foundation is also the developer behind Sudo-rs. From the report: Ubuntu 25.10 is set to adopt sudo-rs by default. Sudo-rs is a memory-safe reimplementation of the widely-used sudo utility, written in the Rust programming language. This move is part of a broader effort by Canonical to improve the resilience and maintainability of core system components. [...] The decision to adopt sudo-rs is in line with Canonical's commitment to Carefully But Purposefully increase the resilience of critical system software, by adopting Rust. Rust is a programming language with strong memory safety guarantees that eliminates many of the vulnerabilities that have historically plagued traditional C-based software. Sudo-rs is part of the Trifecta Tech Foundation's Privilege Boundary initiative, which aims to handle privilege escalation with memory-safe alternatives.

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Canonical today released Ubuntu 25.04 "Plucky Puffin," bringing significant upgrades to the non-LTS distribution including Linux kernel 6.14, GNOME 48 with triple buffering, and expanded hardware support. For the first time, Ubuntu ships an official generic ARM64 desktop ISO targeting virtual machines and Snapdragon-based devices, with initial enablement for the Snapdragon X Elite platform. The release also adds full support for Intel Core Ultra Xe2 integrated graphics and "Battlemage" discrete GPUs, delivering improved ray tracing performance and hardware-accelerated video encoding. Networking improvements include wpa-psk-sha256 Wi-Fi support and enhanced DNS resolution detection. The installer now better handles BitLocker-protected Windows partitions for dual-boot scenarios. Other notable changes include JPEG XL support by default, NVIDIA Dynamic Boost enabled on supported laptops, Papers replacing Evince as the default document viewer, and APT 3.0 becoming the standard package manager. Ubuntu 25.04 will receive nine months of support until January 2026.

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Software developer and prolific blogger Herman Ounapuu, writing in a blog post: I liked Ubuntu. For a very long time, it was the sensible default option. Around 2016, I used the Ubuntu GNOME flavor, and after they ditched the Unity desktop environment, GNOME became the default option. I was really happy with it, both for work and personal computing needs. Estonian ID card software was also officially supported on Ubuntu, which made Ubuntu a good choice for family members. But then something changed. Ounapuu recounts how Ubuntu's bi-annual long-term support releases consistently broke functionality, from minor interface glitches to catastrophic system failures that left computers unresponsive. His breaking point came after multiple problematic upgrades affecting family members' computers, including one that rendered a laptop completely unusable during an upgrade from Ubuntu 20.04 to 22.04. Another incident left a relative's system with broken Firefox shortcuts and duplicate status bar icons after updating Lubuntu 18.04. Canonical's aggressive push of Snap packages has drawn particular criticism. The forced migration of system components from traditional Debian packages to Snaps resulted in compatibility issues, broken desktop shortcuts, and government ID card authentication failures. In one instance, he writes, a Snap-related bug in the GNOME desktop environment severely disrupted workplace productivity, requiring multiple system restarts to resolve. The author has since switched to Fedora, praising its implementation of Flatpak as a superior alternative to Snaps.

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The blog OMG Ubuntu reports: Ubuntu's key developers have agreed to switch to Matrix as the primary platform for real-time development communications involving the distro. From March, Matrix will replace IRC as the place where critical Ubuntu development conversations, requests, meetings, and other vital chatter must take place... Only the current #ubuntu-devel and #ubuntu-release Libera IRC channels are moving to Matrix, but other Ubuntu development-related channels can choose to move — officially, given some projects were using Matrix over IRC already. As a result, any major requests to/of the key Ubuntu development teams with privileged access can only be actioned if requests are made on Matrix. Canonical-employed Ubuntu developers will be expected to be present on Matrix during working hours... The aim is to streamline organisation, speed up decision making, ensure key developers are reliably reachable, and avoid discussions and conversations from fragmenting across multiple platforms... It's hoped that in picking one platform as the 'chosen one' the split in where the distro's development discourse takes place can be reduced and greater transparency in how and when decisions are made restored. IRC remains popular with many Ubuntu developers but its old-school, lo-fi nature is said to be off-putting to newer contributors. They're used to richer real-time chat platforms with more features (like discussion history, search, offline messaging, etc). It's felt this is why many newer developers employed by Canonical prefer to discuss and message through the company's internal Mattermost instance — which isn't publicly accessible. Many Ubuntu teams, flavours, and community chats already take place on Matrix... "End-users aren't directly affected, of course," they point out. But an earlier post on the same blog notes that Matrix "is increasingly ubiquitous in open-source circles. GNOME uses it, KDE embraces it, Linux Mint migrated last year, Mozilla a few years before, and it's already widely used by Ubuntu community members and developers." IRC remains unmatched in many areas but is, rightly or wrongly, viewed as an antiquated communication platform. IRC clients aren't pretty or plentiful, the syntax is obtuse, and support for 'modern' comforts like media sending, read receipts, etc., is lacking.To newer, younger contributors IRC could feel ancient or cumbersome to learn. Though many of IRC's real and perceived shortcomings are surmountable with workarounds, clients, bots, scripts, and so on, support for those varies between channels, clients, servers, and user configurations. Unlike IRC, which is a centralised protocol relying on individual servers, Matrix is federated. It lets users on different servers to communicate without friction. Plus, Matrix features encryption, message history, media support, and so, meeting modern expectations.

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Ubuntu 24.10 'Oracular Oriole', the latest version of the popular Linux distro, introduces several enhancements including a revamped GNOME Initial Setup for ARM64 devices, updated file management features, and a more seamless experience with dialog boxes that adjust to aspect ratios. Celebrating Ubuntu's 20th anniversary, this release also "offers a few touches for those who want to go down memory lane," reports Tom's Hardware. "When the system boots up, you'll see the 20 Years Ubuntu logo right at the bottom of the screen. You can also set the desktop background to the original Ubuntu 4.10 wallpaper, and a Warty Brown accent color is an available option if you want to complete the feel. To round out the experience, Ubuntu 24.10 uses the original startup sound from 4.10, which plays every time you log in." From the report: The most significant change, as OMG! Ubuntu notes that ARM64 devices now use GNOME Initial Setup, which offers a cleaner, slicker way of setting up the operating system after the first install. When I set up Ubuntu 24.10 in a virtual machine in my MacBook Air, it felt easier to install and use than my MacBook and Windows laptops. We also get updated dialog boxes that adjust based on the Windows aspect ratio, making it useful for portrait devices like smartphones and tablets. Several other quality-of-life updates in Ubuntu 24.10, like new File Manager features, make navigating your bookmarks and internal drives easier on the sidebar. Apps also now use the default File Manager when browsing your hard drive, providing a more seamless experience. And, if you run a search on non-indexed folders, you'll find an info button that will explain why your search query is taking longer than usual.

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Here's a question from the blog OMG Ubuntu. "Ever get miffed reading about a major new Ubuntu release only to learn it doesn't come with the newest Linux kernel? "Well, that'll soon be a thing of the past." Canonical's announced a big shift in kernel selection process for future Ubuntu release, an "aggressive kernel version commitment policy" pivot that means it will ship the latest upstream kernel code in development at the time of a new Ubuntu release. Yes, even if that upstream kernel hasn't yet seen a formal stable release (and received the requisite newspaper-graphic-topped rundown on this blog). Which is a huge change. Currently, new Ubuntu releases include the most recent stable Linux kernel release at the time of the kernel freeze milestone in the Ubuntu development cycle. Here's the official announcement by Canonical's Brett Grandbois. "Ubuntu will now ship the absolute latest available version of the upstream Linux kernel at the specified Ubuntu release freeze date, even if upstream is still in Release Candidate status..." It is actually expected that Late Releases will be the exception rather than the norm and in most releases these guidelines will not be necessary as the upstream kernel will release with enough time for the Ubuntu kernel to stabilize. However, adopting a more aggressive kernel version commitment policy does require us to be prepared for a possible Late Release situation and therefore informing the community on what they can expect.

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