今頃何を言っとるんだ

https://www.mozilla.org/en-US/firefox/88.0/releasenotes/
88.0
Firefox Release
April 19, 2021

Changed
The ‘Take a Screenshot’ feature was removed from the Page Actions menu in the url bar. To take a screenshot, right-click to open the context menu. You can also add a screenshots shortcut directly to your toolbar via the Customize menu. Open the Firefox menu and select Customize…