追記 Stable Channel Update for Desktop 追記終わり

https://www.mozilla.org/en-US/firefox/49.0.2/releasenotes/ https://www.mozilla.org/en-US/firefox/android/49.0.2/releasenotes/ https://www.mozilla.org/en-US/security/known-vulnerabilities/firefox/#firefox49.0.2 https://www.mozilla.org/en-US…