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LineageOS has announced version 24.0, based on Android 17, alongside updates to its core apps and new optional browser-based WebUSB flashing tools. The project says security patches have been merged across several active and legacy branches, but device availability and WebUSB compatibility vary; the established device-specific installation guides remain the default supported path.
LineageOS has announced version 24.0, a new release based on Android 17 that also updates the project’s apps and introduces optional browser-based tools for installing the operating system. The announcement says security patches were merged across multiple LineageOS branches, while stressing that device support and the new tools’ compatibility vary.
The LineageOS changelog says the team rebased its changes and features onto Android 17 after Google released that version in June. The project described the process as faster than anticipated, crediting work done to adapt to major refactoring in earlier Android releases. The report does not provide a device-by-device rollout schedule, so users should check the project’s device listings for availability.
Security updates from August 2025 through October 2026 have been merged into LineageOS 18.1 through 24.0, according to the project. For branches corresponding to Android versions that Google still actively supports with security bulletins—Android 14, represented by LineageOS 21, and newer—the project says it will merge full bulletins and update the security patch level string. For older branches 18.1, 19.1 and 20.0, it plans to continue backporting patches but will not change that string, because Google does not provide an attestable patch set for those versions.
LineageOS also reports that patches through November 2025 have been merged into legacy branches 15.1, 16.0 and 17.1. It says some December 2025 bulletin fixes were too difficult to adapt. The changelog lists app work including Canvas, a new basic image editor; an upgraded Updater; and improvements to the Jelly browser and Twelve music player. The WebView component is listed as version 155.0.8059.30.
Android 17 Meets Easier Installation
Version 24.0 matters to users whose devices receive LineageOS support because it brings the project’s custom features and updated apps onto Android 17. The project’s security-patch work also spans several older releases, although patch availability and the displayed security level differ by branch. Those distinctions matter: a merged patch does not mean every older branch receives every bulletin fix or the same security-status indicator.
The new WebUSB flash tools offer another way to install LineageOS using a compatible browser and USB connection, potentially avoiding separate flashing utilities. The project presents them as optional, not as replacements for its established instructions. Installation remains device-specific, and flashing software can put user data or a device at risk if the wrong files or steps are used.
The changelog also highlights a broad refresh of core apps, including a redesigned Updater with streamed updates enabled by default. LineageOS says this can reduce installation time on A/B devices. That improvement is specific to the relevant device configuration; the announcement does not claim the same effect across all supported hardware.
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A Release Before LineageOS Turns Ten
The project frames version 24.0 as an early release in its yearly development cycle. Its changelog says Android 17 arrived in June and characterizes its initial release as focused mainly on iterative improvements and interface refinements. LineageOS says prior work adapting to Google’s code changes helped it rebase its own changes sooner than expected.
The announcement also looks ahead to December 24, 2026, which it identifies as the project’s 10th anniversary. That milestone is background to the release, not a feature or availability date. LineageOS describes itself as a community effort sustained by developers, maintainers, contributors and users.
Alongside the operating system, the project maintains a collection of core applications. The changelog says many have adopted Material Design 3 Expressive. Specific updates include a refreshed SetupWizard, a new image editor called Canvas, support for progressive web app-like shortcuts in Jelly, and improvements to playback and media-library handling in Twelve.
“We’re early this year!”
— LineageOS project, in the version 24.0 changelog
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Device Support and Patch Limits
The announcement does not specify which devices will receive LineageOS 24.0 first, how many devices are supported at launch, or when particular builds will be available. Users need to consult the LineageOS device listings and installation guides for their own model; the release announcement alone does not establish compatibility.
The project says WebUSB tool support depends on the device, browser, operating system and USB connection. It does not provide a complete compatibility list in the supplied announcement. The tools cover ADB Fastboot, Amlogic Burn and Samsung Odin installation methods, but their presence does not mean every device using those methods will work through a browser.
Security coverage also varies. The changelog says some December 2025 fixes could not be adapted to legacy branches, and older branches will not receive a changed security patch level string. The announcement does not enumerate every patch included or omitted for each device build. Users should not treat a branch-level statement as confirmation that every supported device has received identical fixes.
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Check Builds Before Installing
Users considering the upgrade should check whether a build for their exact device is available and follow that device’s instructions in the LineageOS Wiki. Those guides remain the project’s default supported path, even with the new browser tools available at flash.lineageos.org. Before flashing, users should back up important data and verify the device and files.
The project says it plans to continue backporting and merging security bulletin patches to LineageOS 18.1, 19.1 and 20.0, alongside ongoing work on older legacy branches. Its changelog also invites contributors who can adapt difficult December 2025 fixes to submit them to Gerrit for review. The supplied report does not set dates for those future patch submissions or for wider device availability.
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Key Questions
What is LineageOS 24.0 based on?
The project says LineageOS 24.0 is based on Android 17. It does not give a complete device rollout schedule in the announcement.
Does LineageOS 24.0 work on every Android device?
No. Availability depends on whether a build is maintained for a particular device. Check the LineageOS device listings and that device’s installation guide before attempting an installation.
Do the new WebUSB tools replace the installation guides?
No. LineageOS describes the browser-based tools as an additional option and says its existing device-specific guides remain the default supported path. Compatibility varies by device, browser, operating system and USB connection.
Which security patches does the changelog report?
LineageOS says patches from August 2025 through October 2026 were merged into versions 18.1 through 24.0. It also reports patches through November 2025 for branches 15.1, 16.0 and 17.1, while noting some December 2025 fixes could not be adapted.
Source: hn
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