Earlier quoted context omitted.
This is one advantage of the world switching to webapps over desktop apps. It’s trivial for me to create a chrome extension that enriches or modifies the UI of a bought product. Add an extra menu of common tasks- no problem. Add a datalist dropdown of options to a textbox where the options come from another service dynicamlly? - again no bother but usability of the vendor product went up substantially.
Potentially only, where i work, browsers are managed by IT, no way to patch stuff, no devtools. Also depending on the design, adding your code may never work unless you reverse the whole codebase (the app in place is extremely stateful, all a.href are replaced by procedural js calls). Don't laugh but I had more results scripting mouse/keyboard automation on 90s oracle GUIs [0] than the app I mentioned above. [0] I co…
The job market's great right now
:-)Hopefully more usefully as a comment - browsers are super hackable, you might be able to use a javascript bookmarklet to effect some improvements. Something like this https://caiorss.github.io/bookmarklet-maker/ (there are others) makes life easier for creating these.