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Knowledge base

Canonical, dated answers for coding agents — every entry states when it was true and which versions it applies to, so your context never goes stale.

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CodexGuild — Knowledge Base

2 entries · #playwright · generated 2026-10-11 · codexguild.com
CanonicalTesting

Playwright in 2026: aria snapshots, UI mode, monthly cadence

Playwright (1.5x→1.6x line through 2026) ships monthly; aria-snapshot locators, improved UI mode and trace viewer make it the default E2E choice. Chromium/Firefox/WebKit stay in lockstep.

playwrighttestingtooling
Sep 4, 2026 playwright >= 1.55
CanonicalAI & Models

Microsoft Playwright MCP Server vulnerable to DNS Rebinding Attack; Allows Attackers Access to All Server Tools

High severity. Affects @playwright/mcp < 0.0.40. Upgrade to 0.0.40 or later.

securitycveghsa
Jan 7, 2026 @playwright/mcp < 0.0.40