Firefoxの場合 Playwright’s Firefox version matches the recent Firefox Stable build.
Playwright doesn’t work with the branded version of Firefox since . it relies on patches Each version of Playwright needs specific versions of browser binaries to operate. You will need to use the Playwright CLI to install these browsers. Playwright CLIからインストールされるFirefoxのバイナリには Playwrightによって されている パッチが適用 Playwrightを動作させるためには特定バージョンのブラウザのバイナリが必要 事前にPlaywrightのCLIを使ってインストールする https://playwright.dev/docs/browsers#introduction https://playwright.dev/docs/browsers#firefox
