Ubuntu 25.10 Questing Snapshot 4 has been released! This is the fourth and final successful monthly snapshot for Questing Quokka.

Ubuntu 25.10 is close to completing support for TPM-backed full disk encryption, adding stronger security with hardware-based key protection.

Ubuntu 25.10 Questing Quokka will include sudo-rs by default as part of a plan to use more Rust-based core system components, such as the Rust CoreUtils "uutils" that will replace the standard GNU CoreUtils written in C. According to the MemorySafety blog, both sudo and su have been rewritten in Rust to ensure that they are memory safe, in comparison to the standard ones that are written in the 1980s.

The official wallpaper and the charming mascot for Ubuntu 25.10 "Questing Quokka" have just been revealed!

After Ubuntu 25.04 Plucky Puffin was released, the Ubuntu team started the development of the next version of Ubuntu, called Ubuntu 25.10 Questing Quokka. Since then, new versions of software have been introduced with new features and bug fixes. However, like all the other development schedules for all the Ubuntu versions while they're in development, the feature freezes were to be expected in the last week of the last three months.

Ubuntu 25.10 Questing Quokka beta is released! Download installation images for Ubuntu 25.10 Desktop, Server, WSL and official flavours.

The third monthly snapshot of Ubuntu 25.10, code named Questing Quokka, is released. Learn about the exciting new features of Ubuntu 25.10

Ubuntu 25.10 Questing Quokka is here! Explore its new Wayland-only GNOME session, Rust-based tools, TPM encryption, and Linux kernel 6.17.

Just dropped: Our in-depth Ubuntu 25.10 “Questing Quokka” Review! Explore the Wayland-only desktop, snappy GNOME 49, Rust-powered security, and new apps like Ptyxis and Loupe. Perfect for Linux fans a...

Starting from the upcoming release of Ubuntu, the Questing Quokka, your Ubuntu session will be running under the newer Wayland protocol instead of the more ancient X11 server. The Ubuntu session will become exclusive to Wayland to embrace modernized desktop experience, while making sure that your computer becomes more secure than before. GNOME 49 will follow the same path by…

As we've indicated earlier, Ubuntu 25.10 Questing Quokka, which will be released on October 9th, 2025, has four development snapshots to help you test this version of Ubuntu without having to rely on daily builds. This was done as part of the official plan that the release team have released on the official Ubuntu Discourse forum. The third snapshot has been released, highlighting the changes between the previous snapshot (June 26th) and the current one (July 31st).

The final release of Ubuntu 25.10 Questing Quokka is now live! All development has been finalized, and the release team has made an official announcement of the release of this version of Ubuntu as you can see here. Upgrades to Questing Quokka will now include what's new for this release, such as GNOME 49 and updated software, which is simplified as in below.

As we've indicated earlier, Ubuntu 25.10 Questing Quokka, which will be released on October 9th, 2025, has four development snapshots to help you test this version of Ubuntu without having to rely on daily builds. This was done as part of the official plan that the release team have released on the official Ubuntu Discourse forum. The second snapshot has been released, highlighting the changes between the previous snapshot (May 29th) and the current one (June 26th).

After Ubuntu 25.04 Plucky Puffin was released, the Ubuntu team started the development of the next version of Ubuntu, called Ubuntu 25.10 Questing Quokka. Since then, new versions of software have been introduced with new features and bug fixes. However, like all the other development schedules for all the Ubuntu versions while they're in development, the feature freezes were to be expected in the last week of the last three months.

After Ubuntu 25.04 Plucky Puffin was released, the Ubuntu team started the development of the next version of Ubuntu, called Ubuntu 25.10 Questing Quokka. Since then, new versions of software have been introduced with new features and bug fixes. Please note that this is the last release schedule article we'll publish for all future Ubuntu versions. You'll have to follow the release schedule that we'll link once development starts and the schedule gets published.

This version of Ubuntu, which was released on October 2025, is now nearing the end of life period. Ubuntu 25.10 Questing Quokka brought Linux 6.17, systemd 257.9, .NET 10.0, and various new versions of different packages. It's a short term release that is supported for nine months, as opposed to long-term releases. According to an announcement made on the mailing list, the support period is now becoming closer to the finish, with July 9th, 2026 being the day that Ubuntu 25.10 will no longer be supported.

As of today, Ubuntu 25.10 Questing Quokka has entered the feature freeze according to the release schedule that you can see here. Also, you can consult the release notes that has the tentative versions of the major toolsets and the packages, since the feature freeze, here. Generally, all packages now have to go through the bug fixing stage, which means that there will be no features being added to them to ensure stability of the release, which will happen this October.

Ubuntu 25.10 Questing Quokka was released a week ago, and it brought many new exciting features. Sadly, it appears that it has broken Flatpak support, as users were encountering errors when trying to install any Flatpak application, and bug reports, such as this one, were being landed to Launchpad. When Ubuntu 25.10 Questing Quokka was released, users have discovered that the installation of any Flatpak application fails with error messages stating that it's unable to unmount revokefs-fuse, which is a fatal bug.

截至今日，Ubuntu25.10 “QuestingQuokka”在10月发布稳定版本之前处于功能冻结状态。随着功能冻结的开始，Ubuntu的开发重点将主要转移到在预计的10月9日发布日期之前进行测试和修复错误。

Canonical setzt mit Ubuntu 25.10 vor der nächsten LTS-Ausgabe 26.04 seine Bestrebungen zur Modernisierung des Betriebssystems an vielen Stellen um.