Ubuntu 25.10, codenamed 'Questing Quokka', is here. Ubuntu 25.10 introduces GNOME 49 with media and power controls on the lock screen, HDR brightness settings, and enhanced accessibility features in line with the European Accessibility Act. New apps include Loupe, a modern image viewer, and Ptyxis, a lightweight terminal emulator. Built on the Linux 6.17 kernel, this release brings nested virtualization on Arm, early Intel TDX host support for confidential computing, and enhanced support for TPM-backed full disk encryption with passphrase support, recovery key management and better integration with firmware updates. Network Time Security (NTS) is enabled by default for more secure time synchronization. Developer experience advances with updated toolchains for Python 3.13.7 and availability of 3.14 RC3, GCC 15, Rust 1.85, Go 1.25, OpenJDK 25, and previews of .NET 10 and Zig. Ubuntu 25.10 also debuts Rust-based implementations of sudo and coreutils for improved memory safety, and adopts the new RVA23 profile as the baseline for RISC-V, paving the way to Ubuntu 26.04 LTS.

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ubuntu-25.10-live-server-amd64.iso

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