I prefer to run PWAs (progressive web apps) in the browser, instead of their Electron-based equivalents.

‣ Browser apps are sandboxed, Electron apps are not;
‣ Memory use is more efficient in my tests;
‣ You can use ad/blockers or extensions like LanguageTool.

Support for PWAs is an area where #Firefox has dropped the ball, on both desktop and Android. 

See this feature detector: https://howfuguismybrowser.dev/

https://social-cdn.alexn.org/media_attachments/files/111/164/934/330/049/554/original/47d2e2c071a296e6.png