In my recent experience: definitely yes, though not significantly worse. Unless you have [many] hundreds of tabs open (which I do as I have neither executive function nor organisational skills), or have a machine with very limited RAM, I don't think you'll notice a difference.
This is anecdata, of course, take with a pinch of your preferred flavouring powder.
Chrome on Windows is running with thousands of tabs "open" over dozens of windows, but it does practically max out on a certain number of tabs per window (not just the GUI, but something in the memory architecture), and it does stack fat cache which will crash the whole thing if it digs deeper than your available space.
Windows even runs (semi-playably) 2020's shooters in this condition, though you need to kill any windows close to the tab limit that are full of recently opened tabs.
> Chrome also came in at slightly lower memory consumption across all the benchmarks with total memory usage on average at 4.67GB to Firefox at 4.83GB.
imo, Agentic lower the bar for people to actually create software they want, however it also introduce or scale problem for devs, since is inevitable for them to use it
it's annoying, but i think most people wouldn't care about this, and microsoft will think this is a good idea because majority of user will not turning it off
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