browser-matrix-runner

Overview

Per pw-browsers:

Playwright supports three browser engines:

1. Chromium - "Open source builds used by default. Playwright versions support Chromium N+1 before branded browsers release it."
2. Firefox - "Playwright's Firefox version matches the recent Firefox Stable build."
3. WebKit - "Derived from latest WebKit main branch sources, often before Safari incorporation."

Plus branded variants (pw-browsers):