Ubuntu 25.10 “Questing Quokka” — Highlights

Ubuntu 25.10 “Questing Quokka”

Key Highlights

GNOME 49 Integration

Brings modern UI improvements, HDR brightness controls, and new lock screen media/power options.

New Default Apps

Loupe — modern image viewer
Ptyxis — new terminal emulator

Improved Accessibility

Enhanced high contrast mode, smoother keyboard navigation, and a redesigned accessibility menu on the login screen.

Expanded Bluetooth & Media Support

AAC codec support and hardware-accelerated screen recording in GNOME for better performance.

Developer Toolchains

OpenJDK 25
Python 3.14 RC3
Go 1.25
GCC 15
Rust 1.85 (default) and 1.88 (optional)
Preview of Zig and .NET 10 (upcoming LTS)

Enhanced .NET Experience

Updated Snapcraft plugin and PowerShell support extended to arm64, ppc64el, and s390x.

Rust-Based Core Utilities

sudo-rs and uutils coreutils bring memory-safe replacements for traditional system tools.

Platform Security

Experimental TPM-backed Full Disk Encryption (FDE)
Network Time Security (NTS) enabled by default for secure NTP synchronization

Kernel 6.17

Support for nested virtualization on Arm (NVIDIA Grace, AmpereOne)
Early Intel TDX host support for confidential computing

RISC-V Updates

Adoption of the RVA23 profile to align with next-generation hardware standards.

Next LTS Roadmap

Sets the foundation for Ubuntu 26.04 LTS with stronger confidential computing and broader hardware compatibility.

Disclaimer - This VM contains free, open-source software. Trademarks are for identification only and do not imply endorsement. Ubuntu and Canonical are registered trademarks of Canonical Ltd.

Ubuntu Server 25.10

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