Use of drawWindow method from CanvasRenderingContext2D is deprecated. Use tabs.captureTab extensions API instead https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/tabs/captureTab
Wužiwanje metody drawWindow z CanvasRenderingContext2D je zestarjene. Wužiwajće API rozšěrjenjow tabs.captureTab město toho: https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/tabs/captureTab