Clark-Browser

vchromium-v148.0.7778.96-stealth3 scope: chromium Feature

This release adds 2 notable features for engineering teams evaluating rollout.

Published 9d AI Agents & Assistants

✓ No known CVEs patched

✓ No known CVEs patched in this version

Topics

agent-browser chromium stealth-browser ungoogled-chromium

Affected surfaces

auth

Summary

AI summary

Updates Summary, Validation, and Artifact across a mixed release.

Type	Severity	Summary	CVE
Feature	Medium	Adds opt‑in Linux chrome build lane via CLARK_BROWSER_TARGET=chrome Adds opt‑in Linux chrome build lane via CLARK_BROWSER_TARGET=chrome Source: llm_adapter@2026-05-25 Confidence: high	—
Feature	Medium	Adds headless_shell compatibility launcher in chrome tarball that execs chrome Adds headless_shell compatibility launcher in chrome tarball that execs chrome Source: llm_adapter@2026-05-25 Confidence: high	—
Dependency	Medium	Updates auto‑download to chromium-v148.0.7778.96-stealth3 for Linux runtime Updates auto‑download to chromium-v148.0.7778.96-stealth3 for Linux runtime Source: llm_adapter@2026-05-25 Confidence: high	—
Dependency	Medium	Adds chrome build dependency required for WebGPU/Dawn X11/XCB path Adds chrome build dependency required for WebGPU/Dawn X11/XCB path Source: llm_adapter@2026-05-25 Confidence: high	—
Bugfix	Medium	Fixes Permissions API so Notification.permission returns default and permissions.query returns prompt under fingerprint mode Fixes Permissions API so Notification.permission returns default and permissions.query returns prompt under fingerprint mode Source: llm_adapter@2026-05-25 Confidence: high	—

Full changelog

Added an opt-in Linux chrome build lane via CLARK_BROWSER_TARGET=chrome.
Kept the existing headless_shell build lane for rollback.
The chrome lane omits import("//build/args/headless.gn"), runs ninja chrome, and packages the real chrome binary.
The chrome tarball includes a headless_shell compatibility launcher that execs chrome.
Updated auto-downloads to chromium-v148.0.7778.96-stealth3; Linux runtime now prefers packaged chrome and falls back to cached headless_shell.
Fixed the Permissions API path so Notification.permission returns default and permissions.query({name:"notifications"}) returns prompt under fingerprint mode.
Added the chrome build dependency needed for the WebGPU/Dawn X11/XCB path.

Local: git diff --check
Local: python3 -m pytest tests/test_imports.py (33 passed)
Local: python3 -m py_compile clarkbrowser/config.py clarkbrowser/download.py tests/test_imports.py tests/linux_smoke.py tests/integration_smoke.py
AWS c7i.8xlarge Linux build: CLARK_BROWSER_TARGET=chrome ./build/run-linux-build.sh foreground
In-container smoke: passed
Extracted tarball smoke for /tmp/clark-pkg/chrome: passed
Extracted tarball smoke for /tmp/clark-pkg/headless_shell compatibility launcher: passed

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