Search OS and kernel releases

Inspect this browserOS versions, release age, support observations, Apple models, and compatibility.

Search the mirrored release catalog, or use Device Discovery to compare request headers with current patch data.

Current release trains

Source health

Or browse by…

OS & Kernels

Browse Windows, macOS, Linux kernel, and Windows NT kernel chronology with provenance.

Browse Releases

Browsers

Browse Firefox, Chrome, Edge, Safari, Brave, Arc, Opera, Opera GX, and IE releases.

Browse Browsers

Hardware

Resolve Apple marketing models and model identifiers with OS compatibility.

Browse Hardware

Discover

Inspect this browser or submit OS, version, model, and architecture signals.

Discover a Device

Fingerprint

Generate a scoped, short-lived browser observation with explicit basic or enhanced collection.

Run Fingerprint

Data Health

Catalog coverage, source freshness, archive status, and automation runs.

View Data Health

API Docs

Scalar reference for release, hardware, compatibility, discovery, and status routes.

Read API Docs
Device Discovery is not attestation. Request headers are spoofable and are never treated as device identity, management, or authorization proof.

Building something? Use the REST API or the DEVICEINFO service binding.