Linux

I kind of miss being able to play League of Legends, bit I guess staying away from that crack is a blessing in disguise.

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roblox (i miss it only a bit)

When I switched, about 23 years ago, I missed Moray - the modeller for POVRay. Now I miss nothing.

Not much really. Maybe being able to download random exes for silly shit, but I could always spin up a VM for that.

If I have to list a single thing that most irritates me on Linux then it is easily copying files to a USB connected drive.

The progress bar passes 100% and I get notification the files were copied but they were in fact not copied yet, it still takes several more minutes until I can actually unplug the connected drive or I'll lose the files.

OneNote.

That's really all. OneNote, on a windows tablet or foldable device with a proper stylus is the bee's knees for knowledge management.

Been on Linux since 2007, so for me it's kind of the opposite. You just get settled with your OS after a while, you're used to how it works.

For me the immediately missing features is customizability in window management. I'm not a tiling fan, but I still miss basic convenience features like middle click paste, press alt and drag windows around or press alt and right click to resize windows from whichever side is the closest to the cursor. The different way it arranges windows (Linux tries hard to make them fit in unused space whereas Windows just opens it in the middle of the screen). Another big one is if you have a window focused and try to scroll another window in the background with your mouse cursor over it, it'll still scroll the focused window even though the mouse cursor isn't on it. Focus steal prevention is non-existent so if you're typing and another window pops open, it steals your keyboard input. The search bar is like, utterly useless, so is the Microsoft Store. The start menu doesn't open instantly like it has to load it every time. When you uninstall something there's still leftover crap of it everywhere.

Thankfully when it comes to Linux apps, their open nature means the majority of them just have Windows builds anyway, and what doesn't would work in WSL. So really all I can miss is the inherent flexibility and openness Linux gives me.

Playnite

From macOS: that the basics in UI are so much more consistent and just work. For example shortcuts across apps. This makes me insanely productive.

Effort free gaming on Windows

I'll acknowledge that gaming is much better than when I entered the field 20 years ago,

but it was so nice being able to just install a game and have it function instead of install a game and play the 50/50 gamble of whether or not it's going to have some bug that forces me to go online and search the issue.

Proton DB has been a lifesaver for most issues that have occurred, but there are still so many games that have obscure problems that while not all of them prevent you from playing at all, a good portion of them have issues with them that dampen the gaming experience.

And as a bonus one, the lack of a decent Android emulator. I have tried so many different emulators for Android, and all of them work notoriously worse than BlueStacks did on Windows and a lot of times take up double the space it did. As a person who plays a lot of mobile games that require constant looking at, it was so much easier to just have it running in BlueStacks on the third monitor and then just look at it when needed

GPU performance.

The use of my ANT+ adapter with Zwift. But Bluetooth via the phone worked for 62 miles and several hours today, so I guess that will suffice.

For some reason my computer lags a lot but that might be because I have way too many tabs.