v151 · Browser · Platform Support

macOS Support Checker

Probe your current macOS version via User-Agent Client Hints and check it against Chrome's support cut-off history. Enter any macOS version string to see whether Chrome 151 still covers it.

your current platform

Probing via navigator.userAgentData…

platform—

platformVersion—

OS name—

Chrome 151 support—

check any version

macOS version (e.g. 12.7.4)

Chrome macOS support cut-off history

Chrome 117

Dropped macOS 10.13 High Sierra & 10.14 Mojave

Minimum → macOS 10.15 Catalina

Impact: old TLS, graphics, and WebAuthn stacks move out of Chrome's test matrix.

Chrome 131

Dropped macOS 10.15 Catalina

Minimum → macOS 11 Big Sur

Impact: Catalina-only fleets lose current Chrome security updates and newer media/device API fixes.

Chrome 140

Dropped macOS 11 Big Sur

Minimum → macOS 12 Monterey

Impact: Big Sur devices miss Chrome changes that assume Monterey-era system WebKit, graphics, and privacy primitives.

Chrome 151 — this release

Drops macOS 12 Monterey

Minimum → macOS 13 Ventura

Impact: Monterey devices stop at Chrome 150, so Chrome 151+ security fixes and platform features only reach Ventura or newer.

macOS version reference

Major	Name	Chrome 151 Support	Developer-facing impact

detection code

const hints = await navigator.userAgentData.getHighEntropyValues([
  'platform',
  'platformVersion',
]);

if (hints.platform === 'macOS') {
  const major = parseInt(hints.platformVersion.split('.')[0], 10);
  const supported = major >= 13; // Chrome 151 minimum: macOS 13
  if (!supported) {
    showUpdateBanner();
  }
}

implementation reference

Need the exact API surface, compatibility boundaries, errors, lifecycle, and source links? Read the matching gendn reference ↗