[Updates](https://cdpfleet.com/docs/updates) / Google Chrome # Chrome 156: CSS random(), IndexedDB on SQLite, same TLS fingerprint Stable Chrome on the fleet is now 156.0.8078.47: CSS random() and scroll-snap pair arrive, IndexedDB moves to SQLite, TLS and HTTP/2 fingerprints unchanged. [Google Chrome](https://cdpfleet.com/docs/browsers/chrome) stable · 155.0.8059.84 → 156.0.8078.47 · 2026-10-23 Google promoted Chrome 156 to the stable channel on 2026-10-20, and new `chrome` sessions on the fleet now run 156.0.8078.47 (the Linux build) instead of 155.0.8059.84. Pin the previous major with `"version"` if you need it. ## New - **CSS `random()`:** a random number within a range, with a key argument to control which values are shared between properties and elements. Our feature probe finds it on 156 and not on 155. - **`scroll-snap-type: pair`:** a scroll container that snaps to an element on one axis snaps to the same element on the other. Also new in our probe. - **IndexedDB on SQLite:** Chrome reimplements IndexedDB on SQLite instead of LevelDB, for new data stores only (Chrome release notes). - Also in the release notes: a `:navigation-source` pseudo-class for the element that started a navigation, single-axis scroll containers (`overflow` combining a scrollable value with `clip`), retrying failed module loads with a repeated `import()`, request and response headers in WebTransport, and a WebRTC diagnostic logging API. ## Removed or changed - **Fenced frames are being removed:** from 156, `` and `window.fence` remain only as stub implementations (Chrome release notes). Our feature test (`window.fence` or `HTMLFencedFrameElement`) still finds them on 156, so don't rely on such a test to tell whether fenced frames work. - **`text-decoration-skip-spaces`:** `CSS.supports('text-decoration-skip-spaces', 'all')` returned true on 155 and returns false on 156. The release notes don't mention it, so treat it as unavailable for now. ## What sites see / detection - **User agent and client hints:** `Chrome/156.0.0.0` in the user agent, and the `Sec-CH-UA` brands change from `Google Chrome 155, Chromium 155, Not(A:Brand 24` to `Not:A-Brand 8, Chromium 156, Google Chrome 156`. Chrome changes the placeholder "Not A Brand" entry and the order with each major version, so an allowlist that matches the exact brand string needs updating. - **TLS and HTTP/2 unchanged:** the JA4 hash, the full TLS fingerprint hash and the HTTP/2 fingerprint are identical to 155. - **Bot checks unchanged:** bot.sannysoft.com flagged one check before and after. ## For scraping - Nothing to change in your code: launch options, the Playwright 1.60 client and `wsUrl` are the same, and every Playwright feature we test still works. - If you match `Sec-CH-UA` brand strings or the full user agent somewhere (an allowlist, a test), update them to 156. ## Measured on the fleet The same probe ran against 155.0.8059.84 and 156.0.8078.47 on the fleet, each when it went live: identity, TLS and HTTP/2 fingerprint, web platform features, Playwright features and bot checks. Host-dependent values (cores, memory, timings) are left out. ### What the site sees: identity | | Before | After | | --- | --- | --- | | User agent | Mozilla/5.0 (X11; Linux x86\_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/155.0.0.0 Safari/537.36 | Mozilla/5.0 (X11; Linux x86\_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/156.0.0.0 Safari/537.36 | | Client hint brands | Google Chrome 155, Chromium 155, Not(A:Brand 24 | Not:A-Brand 8, Chromium 156, Google Chrome 156 | | Client hint full versions | Google Chrome 155.0.8059.84, Chromium 155.0.8059.84, Not(A:Brand 24.0.0.0 | Not:A-Brand 8.0.0.0, Chromium 156.0.8078.47, Google Chrome 156.0.8078.47 | ### Web platform features added - CSS `random()` (Chrome 156) - CSS `scroll-snap-type: pair` (Chrome 156) ### Web platform features removed - CSS `text-decoration-skip-spaces` (Chrome 155) Raw diff ``` { "engine": "chrome", "label": "stable", "from": "155.0.8059.84", "to": "156.0.8078.47", "browser_version": { "before": "155.0.8059.84", "after": "156.0.8078.47" }, "changes": { "identity": [ { "field": "user_agent", "before": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/155.0.0.0 Safari/537.36", "after": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/156.0.0.0 Safari/537.36" }, { "field": "client_hint_brands", "before": "Google Chrome 155, Chromium 155, Not(A:Brand 24", "after": "Not:A-Brand 8, Chromium 156, Google Chrome 156" }, { "field": "client_hint_full_versions", "before": "Google Chrome 155.0.8059.84, Chromium 155.0.8059.84, Not(A:Brand 24.0.0.0", "after": "Not:A-Brand 8.0.0.0, Chromium 156.0.8078.47, Google Chrome 156.0.8078.47" } ], "network": [], "features": { "added": [ { "key": "css_random", "label": "CSS `random()` (Chrome 156)" }, { "key": "css_scroll_snap_pair", "label": "CSS `scroll-snap-type: pair` (Chrome 156)" } ], "removed": [ { "key": "css_text_decoration_skip_spaces", "label": "CSS `text-decoration-skip-spaces` (Chrome 155)" } ] }, "playwright": { "broke": [], "fixed": [] }, "fingerprint": [], "bot_checks": { "newly_failed": [], "newly_passed": [], "failed_before": 1, "failed_after": 1 }, "plain_http": [], "launch": { "before_ms": 382, "after_ms": 565 } }, "host_dependent_ignored": [ "hardware_concurrency", "device_memory", "launch/connect/page timings" ] } ``` ### Sources - [Chrome Releases: Stable Channel Update for Desktop (2026-10-20)](https://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop_02018666648.html) - [Chrome 156 release notes (Chrome Platform Status)](https://chromestatus.com/release-notes/156) --- Source: https://cdpfleet.com/docs/updates/chrome-156 · Markdown: https://cdpfleet.com/docs/updates/chrome-156.md · All docs for AI tools: https://cdpfleet.com/llms.txt